Search academic papers from Elsevier's ScienceDirect database to find relevant research articles using filters for year, author, journal, and open access status.

Search academic papers from Elsevier's ScienceDirect database using queries, filters for year, author, journal, and open access status.

Search the Scopus database for academic papers using filters like author, journal, year, and subject to find relevant research articles.

Search academic literature in the Scopus database to find relevant articles, papers, and citations using filters like author, year, journal, and subject area.

Read full paper text when machine-readable content is recoverable. Use with a DOI or with author_name + candidate_index + paper_index. Uses Elsevier first, then open-access fallbacks such as Springer OA, Europe PMC, arXiv PDF, and generic PDF URLs when text is recoverable. If you pass `engines`, use a comma-separated subset of: elsevier, openalex, crossref, arxiv, europepmc, springer, semanticscholar.

Enrich one known DOI with metadata, reading links, and full-text availability signals. If you pass `engines`, use a comma-separated subset of: elsevier, openalex, crossref, arxiv, europepmc, springer, semanticscholar.