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<h1 id="knowledge-graph-features">Knowledge Graph Features<a class="headerlink" href="#knowledge-graph-features" title="Permanent link">¶</a></h1>
<p>CortexGraph now includes comprehensive knowledge graph capabilities inspired by the reference MCP memory server, adapted for temporal memory management.</p>
<h2 id="overview">Overview<a class="headerlink" href="#overview" title="Permanent link">¶</a></h2>
<p>The knowledge graph provides:</p>
<ol>
<li><strong>Entity Tracking</strong>: Tag memories with named entities</li>
<li><strong>Explicit Relations</strong>: Create directed links between memories</li>
<li><strong>Graph Navigation</strong>: Read the entire graph or access specific nodes</li>
<li><strong>Temporal Scoring</strong>: All graph operations respect memory decay</li>
</ol>
<h2 id="core-concepts">Core Concepts<a class="headerlink" href="#core-concepts" title="Permanent link">¶</a></h2>
<h3 id="memories-as-nodes">Memories as Nodes<a class="headerlink" href="#memories-as-nodes" title="Permanent link">¶</a></h3>
<p>Each memory is a node in the graph with:
- <strong>Content</strong>: The actual information stored
- <strong>Entities</strong>: Named entities mentioned (e.g., people, projects, concepts)
- <strong>Metadata</strong>: Tags, source, context
- <strong>Temporal Properties</strong>: Score, use_count, last_used
- <strong>Status</strong>: Active, promoted, or archived</p>
<h3 id="relations-as-edges">Relations as Edges<a class="headerlink" href="#relations-as-edges" title="Permanent link">¶</a></h3>
<p>Relations connect memories with:
- <strong>Type</strong>: The nature of the relationship (e.g., "references", "similar_to", "follows_from")
- <strong>Direction</strong>: From one memory to another
- <strong>Strength</strong>: Weight of the relationship (0.0-1.0)
- <strong>Metadata</strong>: Additional context about the relation</p>
<h3 id="knowledge-graph-structure">Knowledge Graph Structure<a class="headerlink" href="#knowledge-graph-structure" title="Permanent link">¶</a></h3>
<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>{
<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a> "memories": [
<a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a> {
<a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a> "id": "mem-123",
<a id="__codelineno-0-5" name="__codelineno-0-5" href="#__codelineno-0-5"></a> "content": "Project X deadline is Friday",
<a id="__codelineno-0-6" name="__codelineno-0-6" href="#__codelineno-0-6"></a> "entities": ["project-x"],
<a id="__codelineno-0-7" name="__codelineno-0-7" href="#__codelineno-0-7"></a> "tags": ["deadline", "work"],
<a id="__codelineno-0-8" name="__codelineno-0-8" href="#__codelineno-0-8"></a> "score": 0.82,
<a id="__codelineno-0-9" name="__codelineno-0-9" href="#__codelineno-0-9"></a> ...
<a id="__codelineno-0-10" name="__codelineno-0-10" href="#__codelineno-0-10"></a> }
<a id="__codelineno-0-11" name="__codelineno-0-11" href="#__codelineno-0-11"></a> ],
<a id="__codelineno-0-12" name="__codelineno-0-12" href="#__codelineno-0-12"></a> "relations": [
<a id="__codelineno-0-13" name="__codelineno-0-13" href="#__codelineno-0-13"></a> {
<a id="__codelineno-0-14" name="__codelineno-0-14" href="#__codelineno-0-14"></a> "from": "mem-123",
<a id="__codelineno-0-15" name="__codelineno-0-15" href="#__codelineno-0-15"></a> "to": "mem-456",
<a id="__codelineno-0-16" name="__codelineno-0-16" href="#__codelineno-0-16"></a> "type": "references",
<a id="__codelineno-0-17" name="__codelineno-0-17" href="#__codelineno-0-17"></a> "strength": 0.9
<a id="__codelineno-0-18" name="__codelineno-0-18" href="#__codelineno-0-18"></a> }
<a id="__codelineno-0-19" name="__codelineno-0-19" href="#__codelineno-0-19"></a> ],
<a id="__codelineno-0-20" name="__codelineno-0-20" href="#__codelineno-0-20"></a> "stats": {
<a id="__codelineno-0-21" name="__codelineno-0-21" href="#__codelineno-0-21"></a> "total_memories": 150,
<a id="__codelineno-0-22" name="__codelineno-0-22" href="#__codelineno-0-22"></a> "total_relations": 45,
<a id="__codelineno-0-23" name="__codelineno-0-23" href="#__codelineno-0-23"></a> "avg_score": 0.42
<a id="__codelineno-0-24" name="__codelineno-0-24" href="#__codelineno-0-24"></a> }
<a id="__codelineno-0-25" name="__codelineno-0-25" href="#__codelineno-0-25"></a>}
</code></pre></div>
<h2 id="new-tools">New Tools<a class="headerlink" href="#new-tools" title="Permanent link">¶</a></h2>
<h3 id="read_graph">read_graph<a class="headerlink" href="#read_graph" title="Permanent link">¶</a></h3>
<p>Get the complete knowledge graph.</p>
<p><strong>Use Cases:</strong>
- Visualize the entire memory network
- Export memories for analysis
- Understand memory structure
- Feed full context to LLM</p>
<p><strong>Example:</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="p">{</span>
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="w"> </span><span class="nt">"status"</span><span class="p">:</span><span class="w"> </span><span class="s2">"active"</span><span class="p">,</span><span class="w"> </span><span class="c1">// Filter: "active", "promoted", "archived", "all"</span>
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="w"> </span><span class="nt">"include_scores"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span><span class="w"> </span><span class="c1">// Include temporal decay scores</span>
<a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="w"> </span><span class="nt">"limit"</span><span class="p">:</span><span class="w"> </span><span class="mi">100</span><span class="w"> </span><span class="c1">// Optional: limit number of memories</span>
<a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="p">}</span>
</code></pre></div>
<p><strong>Response:</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a><span class="p">{</span>
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a><span class="w"> </span><span class="nt">"success"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span>
<a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a><span class="w"> </span><span class="nt">"memories"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span>
<a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a><span class="w"> </span><span class="nt">"id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-123"</span><span class="p">,</span>
<a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a><span class="w"> </span><span class="nt">"content"</span><span class="p">:</span><span class="w"> </span><span class="s2">"..."</span><span class="p">,</span>
<a id="__codelineno-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></a><span class="w"> </span><span class="nt">"entities"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="s2">"project-x"</span><span class="p">,</span><span class="w"> </span><span class="s2">"john"</span><span class="p">],</span>
<a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></a><span class="w"> </span><span class="nt">"tags"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="s2">"work"</span><span class="p">],</span>
<a id="__codelineno-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></a><span class="w"> </span><span class="nt">"score"</span><span class="p">:</span><span class="w"> </span><span class="mf">0.82</span><span class="p">,</span>
<a id="__codelineno-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></a><span class="w"> </span><span class="nt">"use_count"</span><span class="p">:</span><span class="w"> </span><span class="mi">5</span><span class="p">,</span>
<a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a><span class="w"> </span><span class="nt">"age_days"</span><span class="p">:</span><span class="w"> </span><span class="mf">2.5</span>
<a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-2-13" name="__codelineno-2-13" href="#__codelineno-2-13"></a><span class="w"> </span><span class="p">],</span>
<a id="__codelineno-2-14" name="__codelineno-2-14" href="#__codelineno-2-14"></a><span class="w"> </span><span class="nt">"relations"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span>
<a id="__codelineno-2-15" name="__codelineno-2-15" href="#__codelineno-2-15"></a><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-2-16" name="__codelineno-2-16" href="#__codelineno-2-16"></a><span class="w"> </span><span class="nt">"from"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-123"</span><span class="p">,</span>
<a id="__codelineno-2-17" name="__codelineno-2-17" href="#__codelineno-2-17"></a><span class="w"> </span><span class="nt">"to"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-456"</span><span class="p">,</span>
<a id="__codelineno-2-18" name="__codelineno-2-18" href="#__codelineno-2-18"></a><span class="w"> </span><span class="nt">"type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"references"</span><span class="p">,</span>
<a id="__codelineno-2-19" name="__codelineno-2-19" href="#__codelineno-2-19"></a><span class="w"> </span><span class="nt">"strength"</span><span class="p">:</span><span class="w"> </span><span class="mf">0.9</span>
<a id="__codelineno-2-20" name="__codelineno-2-20" href="#__codelineno-2-20"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-2-21" name="__codelineno-2-21" href="#__codelineno-2-21"></a><span class="w"> </span><span class="p">],</span>
<a id="__codelineno-2-22" name="__codelineno-2-22" href="#__codelineno-2-22"></a><span class="w"> </span><span class="nt">"stats"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-2-23" name="__codelineno-2-23" href="#__codelineno-2-23"></a><span class="w"> </span><span class="nt">"total_memories"</span><span class="p">:</span><span class="w"> </span><span class="mi">150</span><span class="p">,</span>
<a id="__codelineno-2-24" name="__codelineno-2-24" href="#__codelineno-2-24"></a><span class="w"> </span><span class="nt">"total_relations"</span><span class="p">:</span><span class="w"> </span><span class="mi">45</span><span class="p">,</span>
<a id="__codelineno-2-25" name="__codelineno-2-25" href="#__codelineno-2-25"></a><span class="w"> </span><span class="nt">"avg_score"</span><span class="p">:</span><span class="w"> </span><span class="mf">0.42</span><span class="p">,</span>
<a id="__codelineno-2-26" name="__codelineno-2-26" href="#__codelineno-2-26"></a><span class="w"> </span><span class="nt">"avg_use_count"</span><span class="p">:</span><span class="w"> </span><span class="mf">3.2</span><span class="p">,</span>
<a id="__codelineno-2-27" name="__codelineno-2-27" href="#__codelineno-2-27"></a><span class="w"> </span><span class="nt">"status_filter"</span><span class="p">:</span><span class="w"> </span><span class="s2">"active"</span>
<a id="__codelineno-2-28" name="__codelineno-2-28" href="#__codelineno-2-28"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-2-29" name="__codelineno-2-29" href="#__codelineno-2-29"></a><span class="p">}</span>
</code></pre></div>
<hr />
<h3 id="open_memories">open_memories<a class="headerlink" href="#open_memories" title="Permanent link">¶</a></h3>
<p>Retrieve specific memories with their relations.</p>
<p><strong>Use Cases:</strong>
- Get detailed info about specific memories
- Navigate the graph by following relations
- Context assembly for LLM
- Debugging and inspection</p>
<p><strong>Example:</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a><span class="p">{</span>
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a><span class="w"> </span><span class="nt">"memory_ids"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="s2">"mem-123"</span><span class="p">,</span><span class="w"> </span><span class="s2">"mem-456"</span><span class="p">],</span><span class="w"> </span><span class="c1">// Single ID or array</span>
<a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a><span class="w"> </span><span class="nt">"include_relations"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span><span class="w"> </span><span class="c1">// Include incoming/outgoing relations</span>
<a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a><span class="w"> </span><span class="nt">"include_scores"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="w"> </span><span class="c1">// Include temporal scores</span>
<a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a><span class="p">}</span>
</code></pre></div>
<p><strong>Response:</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a><span class="p">{</span>
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a><span class="w"> </span><span class="nt">"success"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span>
<a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a><span class="w"> </span><span class="nt">"count"</span><span class="p">:</span><span class="w"> </span><span class="mi">2</span><span class="p">,</span>
<a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a><span class="w"> </span><span class="nt">"memories"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span>
<a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-4-6" name="__codelineno-4-6" href="#__codelineno-4-6"></a><span class="w"> </span><span class="nt">"id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-123"</span><span class="p">,</span>
<a id="__codelineno-4-7" name="__codelineno-4-7" href="#__codelineno-4-7"></a><span class="w"> </span><span class="nt">"content"</span><span class="p">:</span><span class="w"> </span><span class="s2">"..."</span><span class="p">,</span>
<a id="__codelineno-4-8" name="__codelineno-4-8" href="#__codelineno-4-8"></a><span class="w"> </span><span class="nt">"entities"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="s2">"project-x"</span><span class="p">],</span>
<a id="__codelineno-4-9" name="__codelineno-4-9" href="#__codelineno-4-9"></a><span class="w"> </span><span class="nt">"tags"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span><span class="s2">"work"</span><span class="p">],</span>
<a id="__codelineno-4-10" name="__codelineno-4-10" href="#__codelineno-4-10"></a><span class="w"> </span><span class="nt">"score"</span><span class="p">:</span><span class="w"> </span><span class="mf">0.82</span><span class="p">,</span>
<a id="__codelineno-4-11" name="__codelineno-4-11" href="#__codelineno-4-11"></a><span class="w"> </span><span class="nt">"relations"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-4-12" name="__codelineno-4-12" href="#__codelineno-4-12"></a><span class="w"> </span><span class="nt">"outgoing"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span>
<a id="__codelineno-4-13" name="__codelineno-4-13" href="#__codelineno-4-13"></a><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-4-14" name="__codelineno-4-14" href="#__codelineno-4-14"></a><span class="w"> </span><span class="nt">"to"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-456"</span><span class="p">,</span>
<a id="__codelineno-4-15" name="__codelineno-4-15" href="#__codelineno-4-15"></a><span class="w"> </span><span class="nt">"type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"references"</span><span class="p">,</span>
<a id="__codelineno-4-16" name="__codelineno-4-16" href="#__codelineno-4-16"></a><span class="w"> </span><span class="nt">"strength"</span><span class="p">:</span><span class="w"> </span><span class="mf">0.9</span>
<a id="__codelineno-4-17" name="__codelineno-4-17" href="#__codelineno-4-17"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-4-18" name="__codelineno-4-18" href="#__codelineno-4-18"></a><span class="w"> </span><span class="p">],</span>
<a id="__codelineno-4-19" name="__codelineno-4-19" href="#__codelineno-4-19"></a><span class="w"> </span><span class="nt">"incoming"</span><span class="p">:</span><span class="w"> </span><span class="p">[</span>
<a id="__codelineno-4-20" name="__codelineno-4-20" href="#__codelineno-4-20"></a><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-4-21" name="__codelineno-4-21" href="#__codelineno-4-21"></a><span class="w"> </span><span class="nt">"from"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-789"</span><span class="p">,</span>
<a id="__codelineno-4-22" name="__codelineno-4-22" href="#__codelineno-4-22"></a><span class="w"> </span><span class="nt">"type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"similar_to"</span><span class="p">,</span>
<a id="__codelineno-4-23" name="__codelineno-4-23" href="#__codelineno-4-23"></a><span class="w"> </span><span class="nt">"strength"</span><span class="p">:</span><span class="w"> </span><span class="mf">0.85</span>
<a id="__codelineno-4-24" name="__codelineno-4-24" href="#__codelineno-4-24"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-4-25" name="__codelineno-4-25" href="#__codelineno-4-25"></a><span class="w"> </span><span class="p">]</span>
<a id="__codelineno-4-26" name="__codelineno-4-26" href="#__codelineno-4-26"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-4-27" name="__codelineno-4-27" href="#__codelineno-4-27"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-4-28" name="__codelineno-4-28" href="#__codelineno-4-28"></a><span class="w"> </span><span class="p">],</span>
<a id="__codelineno-4-29" name="__codelineno-4-29" href="#__codelineno-4-29"></a><span class="w"> </span><span class="nt">"not_found"</span><span class="p">:</span><span class="w"> </span><span class="p">[]</span>
<a id="__codelineno-4-30" name="__codelineno-4-30" href="#__codelineno-4-30"></a><span class="p">}</span>
</code></pre></div>
<hr />
<h3 id="create_relation">create_relation<a class="headerlink" href="#create_relation" title="Permanent link">¶</a></h3>
<p>Create an explicit directed link between two memories.</p>
<p><strong>Use Cases:</strong>
- Manual linking of related information
- Building knowledge graphs explicitly
- Documenting dependencies
- Creating semantic networks</p>
<p><strong>Relation Types:</strong></p>
<p>Common relation types:
- <code>references</code>: One memory mentions/cites another
- <code>follows_from</code>: Temporal sequence (this came after that)
- <code>similar_to</code>: Semantic similarity
- <code>contradicts</code>: Conflicting information
- <code>elaborates_on</code>: Provides detail about another memory
- <code>part_of</code>: Hierarchical relationship</p>
<p><strong>Example:</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a><span class="p">{</span>
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a><span class="w"> </span><span class="nt">"from_memory_id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-123"</span><span class="p">,</span>
<a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a><span class="w"> </span><span class="nt">"to_memory_id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-456"</span><span class="p">,</span>
<a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a><span class="w"> </span><span class="nt">"relation_type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"references"</span><span class="p">,</span>
<a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a><span class="w"> </span><span class="nt">"strength"</span><span class="p">:</span><span class="w"> </span><span class="mf">0.9</span><span class="p">,</span>
<a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a><span class="w"> </span><span class="nt">"metadata"</span><span class="p">:</span><span class="w"> </span><span class="p">{</span>
<a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a><span class="w"> </span><span class="nt">"context"</span><span class="p">:</span><span class="w"> </span><span class="s2">"same project"</span><span class="p">,</span>
<a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a><span class="w"> </span><span class="nt">"created_by"</span><span class="p">:</span><span class="w"> </span><span class="s2">"manual"</span>
<a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a><span class="w"> </span><span class="p">}</span>
<a id="__codelineno-5-10" name="__codelineno-5-10" href="#__codelineno-5-10"></a><span class="p">}</span>
</code></pre></div>
<p><strong>Response:</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a><span class="p">{</span>
<a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a><span class="w"> </span><span class="nt">"success"</span><span class="p">:</span><span class="w"> </span><span class="kc">true</span><span class="p">,</span>
<a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a><span class="w"> </span><span class="nt">"relation_id"</span><span class="p">:</span><span class="w"> </span><span class="s2">"rel-789"</span><span class="p">,</span>
<a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a><span class="w"> </span><span class="nt">"from"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-123"</span><span class="p">,</span>
<a id="__codelineno-6-5" name="__codelineno-6-5" href="#__codelineno-6-5"></a><span class="w"> </span><span class="nt">"to"</span><span class="p">:</span><span class="w"> </span><span class="s2">"mem-456"</span><span class="p">,</span>
<a id="__codelineno-6-6" name="__codelineno-6-6" href="#__codelineno-6-6"></a><span class="w"> </span><span class="nt">"type"</span><span class="p">:</span><span class="w"> </span><span class="s2">"references"</span><span class="p">,</span>
<a id="__codelineno-6-7" name="__codelineno-6-7" href="#__codelineno-6-7"></a><span class="w"> </span><span class="nt">"strength"</span><span class="p">:</span><span class="w"> </span><span class="mf">0.9</span><span class="p">,</span>
<a id="__codelineno-6-8" name="__codelineno-6-8" href="#__codelineno-6-8"></a><span class="w"> </span><span class="nt">"message"</span><span class="p">:</span><span class="w"> </span><span class="s2">"Relation created: mem-123 --[references]--> mem-456"</span>
<a id="__codelineno-6-9" name="__codelineno-6-9" href="#__codelineno-6-9"></a><span class="p">}</span>
</code></pre></div>
<h2 id="usage-patterns">Usage Patterns<a class="headerlink" href="#usage-patterns" title="Permanent link">¶</a></h2>
<h3 id="1-entity-based-navigation">1. Entity-Based Navigation<a class="headerlink" href="#1-entity-based-navigation" title="Permanent link">¶</a></h3>
<p>Tag memories with entities for easier retrieval:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a><span class="c1"># Save with entities</span>
<a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a><span class="n">save_memory</span><span class="p">({</span>
<a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a> <span class="s2">"content"</span><span class="p">:</span> <span class="s2">"John Smith joined Project X as lead engineer"</span><span class="p">,</span>
<a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a> <span class="s2">"entities"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"john-smith"</span><span class="p">,</span> <span class="s2">"project-x"</span><span class="p">],</span>
<a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a> <span class="s2">"tags"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"team"</span><span class="p">,</span> <span class="s2">"project"</span><span class="p">]</span>
<a id="__codelineno-7-6" name="__codelineno-7-6" href="#__codelineno-7-6"></a><span class="p">})</span>
<a id="__codelineno-7-7" name="__codelineno-7-7" href="#__codelineno-7-7"></a>
<a id="__codelineno-7-8" name="__codelineno-7-8" href="#__codelineno-7-8"></a><span class="c1"># Later: Find all memories about john-smith</span>
<a id="__codelineno-7-9" name="__codelineno-7-9" href="#__codelineno-7-9"></a><span class="n">search_memory</span><span class="p">({</span>
<a id="__codelineno-7-10" name="__codelineno-7-10" href="#__codelineno-7-10"></a> <span class="s2">"query"</span><span class="p">:</span> <span class="s2">"john-smith"</span><span class="p">,</span> <span class="c1"># Searches entities too</span>
<a id="__codelineno-7-11" name="__codelineno-7-11" href="#__codelineno-7-11"></a> <span class="s2">"tags"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"team"</span><span class="p">]</span>
<a id="__codelineno-7-12" name="__codelineno-7-12" href="#__codelineno-7-12"></a><span class="p">})</span>
<a id="__codelineno-7-13" name="__codelineno-7-13" href="#__codelineno-7-13"></a>
<a id="__codelineno-7-14" name="__codelineno-7-14" href="#__codelineno-7-14"></a><span class="c1"># Or read full graph and filter client-side by entity</span>
<a id="__codelineno-7-15" name="__codelineno-7-15" href="#__codelineno-7-15"></a><span class="n">read_graph</span><span class="p">({</span><span class="s2">"status"</span><span class="p">:</span> <span class="s2">"active"</span><span class="p">})</span>
</code></pre></div>
<h3 id="2-explicit-knowledge-chains">2. Explicit Knowledge Chains<a class="headerlink" href="#2-explicit-knowledge-chains" title="Permanent link">¶</a></h3>
<p>Build chains of related information:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a><span class="c1"># Memory 1: Initial decision</span>
<a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a><span class="n">save_memory</span><span class="p">({</span>
<a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a> <span class="s2">"content"</span><span class="p">:</span> <span class="s2">"Decided to use PostgreSQL for analytics"</span><span class="p">,</span>
<a id="__codelineno-8-4" name="__codelineno-8-4" href="#__codelineno-8-4"></a> <span class="s2">"entities"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"postgresql"</span><span class="p">,</span> <span class="s2">"analytics-project"</span><span class="p">]</span>
<a id="__codelineno-8-5" name="__codelineno-8-5" href="#__codelineno-8-5"></a><span class="p">})</span>
<a id="__codelineno-8-6" name="__codelineno-8-6" href="#__codelineno-8-6"></a><span class="c1"># -> Returns mem-123</span>
<a id="__codelineno-8-7" name="__codelineno-8-7" href="#__codelineno-8-7"></a>
<a id="__codelineno-8-8" name="__codelineno-8-8" href="#__codelineno-8-8"></a><span class="c1"># Memory 2: Follow-up</span>
<a id="__codelineno-8-9" name="__codelineno-8-9" href="#__codelineno-8-9"></a><span class="n">save_memory</span><span class="p">({</span>
<a id="__codelineno-8-10" name="__codelineno-8-10" href="#__codelineno-8-10"></a> <span class="s2">"content"</span><span class="p">:</span> <span class="s2">"Set up PostgreSQL cluster with streaming replication"</span><span class="p">,</span>
<a id="__codelineno-8-11" name="__codelineno-8-11" href="#__codelineno-8-11"></a> <span class="s2">"entities"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"postgresql"</span><span class="p">,</span> <span class="s2">"infrastructure"</span><span class="p">]</span>
<a id="__codelineno-8-12" name="__codelineno-8-12" href="#__codelineno-8-12"></a><span class="p">})</span>
<a id="__codelineno-8-13" name="__codelineno-8-13" href="#__codelineno-8-13"></a><span class="c1"># -> Returns mem-456</span>
<a id="__codelineno-8-14" name="__codelineno-8-14" href="#__codelineno-8-14"></a>
<a id="__codelineno-8-15" name="__codelineno-8-15" href="#__codelineno-8-15"></a><span class="c1"># Link them</span>
<a id="__codelineno-8-16" name="__codelineno-8-16" href="#__codelineno-8-16"></a><span class="n">create_relation</span><span class="p">({</span>
<a id="__codelineno-8-17" name="__codelineno-8-17" href="#__codelineno-8-17"></a> <span class="s2">"from_memory_id"</span><span class="p">:</span> <span class="s2">"mem-456"</span><span class="p">,</span>
<a id="__codelineno-8-18" name="__codelineno-8-18" href="#__codelineno-8-18"></a> <span class="s2">"to_memory_id"</span><span class="p">:</span> <span class="s2">"mem-123"</span><span class="p">,</span>
<a id="__codelineno-8-19" name="__codelineno-8-19" href="#__codelineno-8-19"></a> <span class="s2">"relation_type"</span><span class="p">:</span> <span class="s2">"implements_decision"</span>
<a id="__codelineno-8-20" name="__codelineno-8-20" href="#__codelineno-8-20"></a><span class="p">})</span>
<a id="__codelineno-8-21" name="__codelineno-8-21" href="#__codelineno-8-21"></a>
<a id="__codelineno-8-22" name="__codelineno-8-22" href="#__codelineno-8-22"></a><span class="c1"># Later: Navigate the chain</span>
<a id="__codelineno-8-23" name="__codelineno-8-23" href="#__codelineno-8-23"></a><span class="n">open_memories</span><span class="p">({</span>
<a id="__codelineno-8-24" name="__codelineno-8-24" href="#__codelineno-8-24"></a> <span class="s2">"memory_ids"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"mem-123"</span><span class="p">],</span>
<a id="__codelineno-8-25" name="__codelineno-8-25" href="#__codelineno-8-25"></a> <span class="s2">"include_relations"</span><span class="p">:</span> <span class="n">true</span>
<a id="__codelineno-8-26" name="__codelineno-8-26" href="#__codelineno-8-26"></a><span class="p">})</span>
<a id="__codelineno-8-27" name="__codelineno-8-27" href="#__codelineno-8-27"></a><span class="c1"># See that mem-456 implements this decision</span>
</code></pre></div>
<h3 id="3-context-assembly">3. Context Assembly<a class="headerlink" href="#3-context-assembly" title="Permanent link">¶</a></h3>
<p>Build rich context by following graph:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a><span class="c1"># Start with a memory</span>
<a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a><span class="n">memories</span> <span class="o">=</span> <span class="n">open_memories</span><span class="p">({</span>
<a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a> <span class="s2">"memory_ids"</span><span class="p">:</span> <span class="p">[</span><span class="s2">"mem-123"</span><span class="p">],</span>
<a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a> <span class="s2">"include_relations"</span><span class="p">:</span> <span class="n">true</span>
<a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a><span class="p">})</span>
<a id="__codelineno-9-6" name="__codelineno-9-6" href="#__codelineno-9-6"></a>
<a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a><span class="c1"># Get related memories</span>
<a id="__codelineno-9-8" name="__codelineno-9-8" href="#__codelineno-9-8"></a><span class="n">related_ids</span> <span class="o">=</span> <span class="p">[</span><span class="n">r</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">memories</span><span class="p">[</span><span class="s2">"memories"</span><span class="p">][</span><span class="mi">0</span><span class="p">][</span><span class="s2">"relations"</span><span class="p">][</span><span class="s2">"outgoing"</span><span class="p">]]</span>
<a id="__codelineno-9-9" name="__codelineno-9-9" href="#__codelineno-9-9"></a>
<a id="__codelineno-9-10" name="__codelineno-9-10" href="#__codelineno-9-10"></a><span class="c1"># Fetch them</span>
<a id="__codelineno-9-11" name="__codelineno-9-11" href="#__codelineno-9-11"></a><span class="n">related</span> <span class="o">=</span> <span class="n">open_memories</span><span class="p">({</span>
<a id="__codelineno-9-12" name="__codelineno-9-12" href="#__codelineno-9-12"></a> <span class="s2">"memory_ids"</span><span class="p">:</span> <span class="n">related_ids</span><span class="p">,</span>
<a id="__codelineno-9-13" name="__codelineno-9-13" href="#__codelineno-9-13"></a> <span class="s2">"include_relations"</span><span class="p">:</span> <span class="n">false</span>
<a id="__codelineno-9-14" name="__codelineno-9-14" href="#__codelineno-9-14"></a><span class="p">})</span>
<a id="__codelineno-9-15" name="__codelineno-9-15" href="#__codelineno-9-15"></a>
<a id="__codelineno-9-16" name="__codelineno-9-16" href="#__codelineno-9-16"></a><span class="c1"># Assemble full context for LLM</span>
<a id="__codelineno-9-17" name="__codelineno-9-17" href="#__codelineno-9-17"></a><span class="n">context</span> <span class="o">=</span> <span class="n">memories</span> <span class="o">+</span> <span class="n">related</span>
</code></pre></div>
<h3 id="4-graph-visualization">4. Graph Visualization<a class="headerlink" href="#4-graph-visualization" title="Permanent link">¶</a></h3>
<p>Export graph for visualization:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a><span class="n">graph</span> <span class="o">=</span> <span class="n">read_graph</span><span class="p">({</span>
<a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a> <span class="s2">"status"</span><span class="p">:</span> <span class="s2">"active"</span><span class="p">,</span>
<a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a> <span class="s2">"include_scores"</span><span class="p">:</span> <span class="n">true</span>
<a id="__codelineno-10-4" name="__codelineno-10-4" href="#__codelineno-10-4"></a><span class="p">})</span>
<a id="__codelineno-10-5" name="__codelineno-10-5" href="#__codelineno-10-5"></a>
<a id="__codelineno-10-6" name="__codelineno-10-6" href="#__codelineno-10-6"></a><span class="c1"># Convert to format for visualization tools:</span>
<a id="__codelineno-10-7" name="__codelineno-10-7" href="#__codelineno-10-7"></a><span class="c1"># - Graphviz: dot format</span>
<a id="__codelineno-10-8" name="__codelineno-10-8" href="#__codelineno-10-8"></a><span class="c1"># - D3.js: nodes/links arrays</span>
<a id="__codelineno-10-9" name="__codelineno-10-9" href="#__codelineno-10-9"></a><span class="c1"># - Neo4j: Cypher import</span>
<a id="__codelineno-10-10" name="__codelineno-10-10" href="#__codelineno-10-10"></a><span class="c1"># - Obsidian Canvas: .canvas format</span>
</code></pre></div>
<h2 id="automatic-vs-manual-relations">Automatic vs Manual Relations<a class="headerlink" href="#automatic-vs-manual-relations" title="Permanent link">¶</a></h2>
<h3 id="automatic-relations">Automatic Relations<a class="headerlink" href="#automatic-relations" title="Permanent link">¶</a></h3>
<p>The clustering tool can auto-detect relations based on similarity:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a><span class="c1"># Find similar memories</span>
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a><span class="n">clusters</span> <span class="o">=</span> <span class="n">cluster_memories</span><span class="p">({</span>
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a> <span class="s2">"strategy"</span><span class="p">:</span> <span class="s2">"similarity"</span><span class="p">,</span>
<a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a> <span class="s2">"threshold"</span><span class="p">:</span> <span class="mf">0.85</span>
<a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a><span class="p">})</span>
<a id="__codelineno-11-6" name="__codelineno-11-6" href="#__codelineno-11-6"></a>
<a id="__codelineno-11-7" name="__codelineno-11-7" href="#__codelineno-11-7"></a><span class="c1"># STM can suggest relations:</span>
<a id="__codelineno-11-8" name="__codelineno-11-8" href="#__codelineno-11-8"></a><span class="c1"># High similarity (>0.9) -> "similar_to"</span>
<a id="__codelineno-11-9" name="__codelineno-11-9" href="#__codelineno-11-9"></a><span class="c1"># Moderate (>0.8) -> "related_to"</span>
</code></pre></div>
<h3 id="manual-relations">Manual Relations<a class="headerlink" href="#manual-relations" title="Permanent link">¶</a></h3>
<p>Explicit relations you create:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a><span class="n">create_relation</span><span class="p">({</span>
<a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a> <span class="s2">"from_memory_id"</span><span class="p">:</span> <span class="s2">"mem-123"</span><span class="p">,</span>
<a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a> <span class="s2">"to_memory_id"</span><span class="p">:</span> <span class="s2">"mem-456"</span><span class="p">,</span>
<a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a> <span class="s2">"relation_type"</span><span class="p">:</span> <span class="s2">"references"</span>
<a id="__codelineno-12-5" name="__codelineno-12-5" href="#__codelineno-12-5"></a><span class="p">})</span>
</code></pre></div>
<p>Both types coexist. Manual relations have higher fidelity but require effort. Automatic relations provide coverage but may be noisy.</p>
<h2 id="integration-with-temporal-decay">Integration with Temporal Decay<a class="headerlink" href="#integration-with-temporal-decay" title="Permanent link">¶</a></h2>
<p>Graph features respect temporal properties:</p>
<h3 id="1-relations-survive-forgetting">1. Relations Survive Forgetting<a class="headerlink" href="#1-relations-survive-forgetting" title="Permanent link">¶</a></h3>
<p>If a memory is forgotten (GC'd), its relations are deleted (CASCADE).</p>
<p>But: if one memory is promoted and another forgotten, the relation is preserved in the promoted memory's metadata.</p>
<h3 id="2-scoring-affects-graph-traversal">2. Scoring Affects Graph Traversal<a class="headerlink" href="#2-scoring-affects-graph-traversal" title="Permanent link">¶</a></h3>
<p>When following relations, low-scoring memories are less prominent:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a><span class="c1"># Open memories with scores</span>
<a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a><span class="n">open_memories</span><span class="p">({</span>
<a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a> <span class="s2">"memory_ids"</span><span class="p">:</span> <span class="p">[</span><span class="o">...</span><span class="p">],</span>
<a id="__codelineno-13-4" name="__codelineno-13-4" href="#__codelineno-13-4"></a> <span class="s2">"include_scores"</span><span class="p">:</span> <span class="n">true</span>
<a id="__codelineno-13-5" name="__codelineno-13-5" href="#__codelineno-13-5"></a><span class="p">})</span>
<a id="__codelineno-13-6" name="__codelineno-13-6" href="#__codelineno-13-6"></a>
<a id="__codelineno-13-7" name="__codelineno-13-7" href="#__codelineno-13-7"></a><span class="c1"># Client can filter by score</span>
<a id="__codelineno-13-8" name="__codelineno-13-8" href="#__codelineno-13-8"></a><span class="n">memories_above_threshold</span> <span class="o">=</span> <span class="p">[</span><span class="n">m</span> <span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="n">result</span> <span class="k">if</span> <span class="n">m</span><span class="p">[</span><span class="s2">"score"</span><span class="p">]</span> <span class="o">></span> <span class="mf">0.3</span><span class="p">]</span>
</code></pre></div>
<h3 id="3-promotion-preserves-relations">3. Promotion Preserves Relations<a class="headerlink" href="#3-promotion-preserves-relations" title="Permanent link">¶</a></h3>
<p>When promoting a memory to Obsidian:
- Relations are recorded in note frontmatter
- Links to other memories (if also promoted) become wiki-links
- Un-promoted relation targets are noted as STM references</p>
<h2 id="advanced-graph-queries">Advanced: Graph Queries<a class="headerlink" href="#advanced-graph-queries" title="Permanent link">¶</a></h2>
<p>While not yet built-in, you can build graph queries client-side:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a><span class="n">graph</span> <span class="o">=</span> <span class="n">read_graph</span><span class="p">({</span><span class="s2">"status"</span><span class="p">:</span> <span class="s2">"active"</span><span class="p">})</span>
<a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a>
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a><span class="c1"># Find all memories that reference project-x</span>
<a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a><span class="n">project_x_memories</span> <span class="o">=</span> <span class="p">[</span>
<a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a> <span class="n">m</span> <span class="k">for</span> <span class="n">m</span> <span class="ow">in</span> <span class="n">graph</span><span class="p">[</span><span class="s2">"memories"</span><span class="p">]</span>
<a id="__codelineno-14-6" name="__codelineno-14-6" href="#__codelineno-14-6"></a> <span class="k">if</span> <span class="s2">"project-x"</span> <span class="ow">in</span> <span class="n">m</span><span class="p">[</span><span class="s2">"entities"</span><span class="p">]</span>
<a id="__codelineno-14-7" name="__codelineno-14-7" href="#__codelineno-14-7"></a><span class="p">]</span>
<a id="__codelineno-14-8" name="__codelineno-14-8" href="#__codelineno-14-8"></a>
<a id="__codelineno-14-9" name="__codelineno-14-9" href="#__codelineno-14-9"></a><span class="c1"># Find all 2-hop neighbors of a memory</span>
<a id="__codelineno-14-10" name="__codelineno-14-10" href="#__codelineno-14-10"></a><span class="k">def</span><span class="w"> </span><span class="nf">get_neighbors</span><span class="p">(</span><span class="n">memory_id</span><span class="p">,</span> <span class="n">graph</span><span class="p">,</span> <span class="n">hops</span><span class="o">=</span><span class="mi">2</span><span class="p">):</span>
<a id="__codelineno-14-11" name="__codelineno-14-11" href="#__codelineno-14-11"></a> <span class="n">neighbors</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
<a id="__codelineno-14-12" name="__codelineno-14-12" href="#__codelineno-14-12"></a> <span class="n">current</span> <span class="o">=</span> <span class="p">{</span><span class="n">memory_id</span><span class="p">}</span>
<a id="__codelineno-14-13" name="__codelineno-14-13" href="#__codelineno-14-13"></a>
<a id="__codelineno-14-14" name="__codelineno-14-14" href="#__codelineno-14-14"></a> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">hops</span><span class="p">):</span>
<a id="__codelineno-14-15" name="__codelineno-14-15" href="#__codelineno-14-15"></a> <span class="n">next_hop</span> <span class="o">=</span> <span class="nb">set</span><span class="p">()</span>
<a id="__codelineno-14-16" name="__codelineno-14-16" href="#__codelineno-14-16"></a> <span class="k">for</span> <span class="n">mid</span> <span class="ow">in</span> <span class="n">current</span><span class="p">:</span>
<a id="__codelineno-14-17" name="__codelineno-14-17" href="#__codelineno-14-17"></a> <span class="n">rels</span> <span class="o">=</span> <span class="p">[</span><span class="n">r</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">graph</span><span class="p">[</span><span class="s2">"relations"</span><span class="p">]</span> <span class="k">if</span> <span class="n">r</span><span class="p">[</span><span class="s2">"from"</span><span class="p">]</span> <span class="o">==</span> <span class="n">mid</span><span class="p">]</span>
<a id="__codelineno-14-18" name="__codelineno-14-18" href="#__codelineno-14-18"></a> <span class="n">next_hop</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">r</span><span class="p">[</span><span class="s2">"to"</span><span class="p">]</span> <span class="k">for</span> <span class="n">r</span> <span class="ow">in</span> <span class="n">rels</span><span class="p">)</span>
<a id="__codelineno-14-19" name="__codelineno-14-19" href="#__codelineno-14-19"></a> <span class="n">neighbors</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">next_hop</span><span class="p">)</span>
<a id="__codelineno-14-20" name="__codelineno-14-20" href="#__codelineno-14-20"></a> <span class="n">current</span> <span class="o">=</span> <span class="n">next_hop</span>
<a id="__codelineno-14-21" name="__codelineno-14-21" href="#__codelineno-14-21"></a>
<a id="__codelineno-14-22" name="__codelineno-14-22" href="#__codelineno-14-22"></a> <span class="k">return</span> <span class="n">neighbors</span>
<a id="__codelineno-14-23" name="__codelineno-14-23" href="#__codelineno-14-23"></a>
<a id="__codelineno-14-24" name="__codelineno-14-24" href="#__codelineno-14-24"></a><span class="c1"># Strongly connected components</span>
<a id="__codelineno-14-25" name="__codelineno-14-25" href="#__codelineno-14-25"></a><span class="c1"># Topological sort</span>
<a id="__codelineno-14-26" name="__codelineno-14-26" href="#__codelineno-14-26"></a><span class="c1"># Path finding</span>
<a id="__codelineno-14-27" name="__codelineno-14-27" href="#__codelineno-14-27"></a><span class="c1"># etc.</span>
</code></pre></div>
<h2 id="comparison-to-reference-memory-server">Comparison to Reference Memory Server<a class="headerlink" href="#comparison-to-reference-memory-server" title="Permanent link">¶</a></h2>
<table>
<thead>
<tr>
<th>Feature</th>
<th>Reference Memory</th>
<th>CortexGraph</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>Primary Unit</strong></td>
<td>Entity (person, org)</td>
<td>Memory (time-bound info)</td>
</tr>
<tr>
<td><strong>Observations</strong></td>
<td>Attached to entities</td>
<td>N/A (content is primary)</td>
</tr>
<tr>
<td><strong>Relations</strong></td>
<td>Between entities</td>
<td>Between memories</td>
</tr>
<tr>
<td><strong>Temporal</strong></td>
<td>No decay</td>
<td>Exponential decay + promotion</td>
</tr>
<tr>
<td><strong>read_graph</strong></td>
<td>✅</td>
<td>✅</td>
</tr>
<tr>
<td><strong>search_nodes</strong></td>
<td>✅</td>
<td>✅ (as search_memory)</td>
</tr>
<tr>
<td><strong>open_nodes</strong></td>
<td>✅</td>
<td>✅ (as open_memories)</td>
</tr>
<tr>
<td><strong>create_entities</strong></td>
<td>✅</td>
<td>Via save_memory with entities</td>
</tr>
<tr>
<td><strong>create_relations</strong></td>
<td>✅</td>
<td>✅</td>
</tr>
<tr>
<td><strong>Persistence</strong></td>
<td>Permanent</td>
<td>Temporal → Optional promotion</td>
</tr>
</tbody>
</table>
<h2 id="best-practices">Best Practices<a class="headerlink" href="#best-practices" title="Permanent link">¶</a></h2>
<ol>
<li><strong>Use Entities Consistently</strong>: Pick a naming scheme and stick to it</li>
<li>Good: <code>"project-x"</code>, <code>"john-smith"</code></li>
<li>
<p>Avoid: <code>"Project X"</code>, <code>"John"</code>, <code>"john"</code></p>
</li>
<li>
<p><strong>Relation Types</strong>: Define a small set of relation types</p>
</li>
<li>Too many types → hard to query</li>
<li>Too few → lack of semantics</li>
<li>
<p>Recommended: 5-10 core types</p>
</li>
<li>
<p><strong>Bidirectional Relations</strong>: Create both directions if needed
<div class="highlight"><pre><span></span><code><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a><span class="n">create_relation</span><span class="p">({</span><span class="s2">"from"</span><span class="p">:</span> <span class="s2">"A"</span><span class="p">,</span> <span class="s2">"to"</span><span class="p">:</span> <span class="s2">"B"</span><span class="p">,</span> <span class="s2">"type"</span><span class="p">:</span> <span class="s2">"references"</span><span class="p">})</span>
<a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a><span class="n">create_relation</span><span class="p">({</span><span class="s2">"from"</span><span class="p">:</span> <span class="s2">"B"</span><span class="p">,</span> <span class="s2">"to"</span><span class="p">:</span> <span class="s2">"A"</span><span class="p">,</span> <span class="s2">"type"</span><span class="p">:</span> <span class="s2">"referenced_by"</span><span class="p">})</span>
</code></pre></div></p>
</li>
<li>
<p><strong>Metadata</strong>: Use relation metadata for context
<div class="highlight"><pre><span></span><code><a id="__codelineno-16-1" name="__codelineno-16-1" href="#__codelineno-16-1"></a><span class="p">{</span>
<a id="__codelineno-16-2" name="__codelineno-16-2" href="#__codelineno-16-2"></a> <span class="s2">"metadata"</span><span class="p">:</span> <span class="p">{</span>
<a id="__codelineno-16-3" name="__codelineno-16-3" href="#__codelineno-16-3"></a> <span class="s2">"confidence"</span><span class="p">:</span> <span class="mf">0.8</span><span class="p">,</span>
<a id="__codelineno-16-4" name="__codelineno-16-4" href="#__codelineno-16-4"></a> <span class="s2">"source"</span><span class="p">:</span> <span class="s2">"auto-detected"</span><span class="p">,</span>
<a id="__codelineno-16-5" name="__codelineno-16-5" href="#__codelineno-16-5"></a> <span class="s2">"created_by"</span><span class="p">:</span> <span class="s2">"clustering"</span>
<a id="__codelineno-16-6" name="__codelineno-16-6" href="#__codelineno-16-6"></a> <span class="p">}</span>
<a id="__codelineno-16-7" name="__codelineno-16-7" href="#__codelineno-16-7"></a><span class="p">}</span>
</code></pre></div></p>
</li>
<li>
<p><strong>Graph Size</strong>: Monitor graph growth</p>
</li>
<li>Use <code>read_graph().stats</code> to track size</li>
<li>Run GC regularly to prune low-scoring memories</li>
<li>Consider archiving old but important memories</li>
</ol>
<h2 id="future-enhancements">Future Enhancements<a class="headerlink" href="#future-enhancements" title="Permanent link">¶</a></h2>
<p>Planned features:</p>
<ol>
<li><strong>Graph Queries</strong>: Built-in query language for graph traversal</li>
<li><strong>Automatic Relation Detection</strong>: NER + coreference resolution</li>
<li><strong>Relation Types Ontology</strong>: Predefined semantic types</li>
<li><strong>Graph Embeddings</strong>: Node2Vec for memory embeddings based on structure</li>
<li><strong>Community Detection</strong>: Find clusters of related memories</li>
<li><strong>Temporal Graph Analysis</strong>: How relationships change over time</li>
</ol>
</article>
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