Retrieve and Audit Scholarly Metadata from Multiple Sources


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Documentation for package ‘abstractExtractR’ version 0.3.0

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append_search_archive Append an observation to a research archive
Article Construct a normalized scholarly article
articles_to_bibtex Render article records as BibTeX
articles_to_data_frame Convert article records to a data frame
articles_to_ris Render article records as RIS citations
article_metadata_timeline Follow scholarly article metadata across archived searches
assess_article_quality Evaluate structural quality of scholarly article metadata
compare_recent_archive_runs Compare only the most recent archive observations
compare_search_archive_runs Compare two selected archive observations
compare_search_history Compare a chronological series of literature-search snapshots
compare_search_snapshots Compare two literature-search snapshots conservatively
create_search_archive Create an append-only research archive from a saved search
deduplicate_articles Deduplicate and reconcile scholarly articles using exact DOI identity
enrich_articles_with_crossref Fill missing article abstracts from Crossref
export_articles Export article records to CSV, BibTeX, or RIS
fetch_all_from_scopus Fetch all Scopus results through cursor pagination
fetch_from_crossref Fetch one page of Crossref bibliographic search results
fetch_from_openalex Request one page of OpenAlex works
fetch_from_scopus Fetch one page of Scopus search results
get_abstracts_from_dois Retrieve a batch of Crossref abstracts by DOI
get_abstract_from_doi Retrieve an abstract from Crossref using its DOI
list_search_archive_runs List research-archive runs without loading their saved RDS evidence
new_crossref_cache Create a reusable in-memory Crossref abstract cache
new_search_plan Create a reproducible multi-provider search plan
normalize_doi Normalize DOI identifiers for equality comparisons
process_crossref_entries Normalize raw Crossref works into Article objects
process_crossref_response Normalize a Crossref works search response
process_openalex_entries Normalize OpenAlex works as Article records
process_openalex_response Normalize an OpenAlex search response
process_scopus_entries Normalize raw Scopus search entries
process_scopus_response Normalize a complete Scopus search response
read_search_archive Inspect an existing append-only research archive
read_search_archive_run Read a single research-archive observation
read_search_snapshot Read and validate a previously saved search snapshot
reconstruct_openalex_abstract Restore an OpenAlex abstract from its inverted index
recover_search_archive Inspect and explicitly clean up interrupted archive staging directories
refresh_search_archive Refresh an archive on demand and append the new search evidence
refresh_search_snapshot Refresh a literature search and preserve its evidence
run_search_plan Execute a search plan and capture a versioned evidence snapshot
save_search_snapshot Persist a search snapshot without overwriting existing evidence
search_articles Search Scopus, Crossref, and OpenAlex with provenance
search_crossref Discover articles from Crossref without known DOIs
search_openalex Discover scholarly articles from OpenAlex
search_snapshot_manifest Summarize a scholarly search as a structured manifest
trace_archive_dois Trace DOI observations across a research archive
verify_search_archive Inspect checksums and interrupted writes in a research archive
write_search_history_report Export an auditable search-history report to CSV files
write_search_manifest Write a structured JSON search manifest