#!/usr/bin/env python3
"""
Triple extraction functionality for RivalSearchMCP.
Handles extraction of subject-predicate-object triples from text content.
"""
import re
from typing import List, Tuple
def extract_triples(text: str) -> List[Tuple[str, str, str]]:
"""
Extract subject-predicate-object triples from text.
Args:
text: Input text to extract triples from
Returns:
List of (subject, predicate, object) tuples
"""
triples = []
sentences = re.split(r"(?<!\w\.\w.)(?<![A-Z][a-z]\.)(?<=\.|\?)\s", text)
for sentence in sentences:
words = sentence.split()
if len(words) > 2:
subject = words[0]
predicate = words[1]
obj = " ".join(words[2:])
triples.append((subject, predicate, obj))
return triples
