abstractExtractR: Retrieve and Audit Scholarly Metadata from Multiple Sources

Retrieves and normalizes scholarly article metadata and abstracts from the 'Crossref' REST API <https://www.crossref.org/documentation/retrieve-metadata/rest-api/>, the 'OpenAlex' API <https://help.openalex.org/> and the 'Scopus' Search API <https://dev.elsevier.com/sc_apis.html>. Provides bibliographic searches, cursor pagination, publication date and author filtering, abstract retrieval by Digital Object Identifier (DOI), cached batch enrichment, merging of duplicate records, metadata-quality audits, reproducible search snapshots, local archives with integrity verification, and export to comma-separated values (CSV), 'BibTeX' and 'RIS' citation files. Network requests support configurable timeouts and test callbacks. 'Scopus' searches require an 'Elsevier' API key; 'Crossref' queries do not. 'OpenAlex' supports limited keyless searches and authenticated pagination.

Version:	0.3.0
Depends:	R (≥ 4.2.0)
Imports:	httr2, jsonlite, openssl
Suggests:	testthat (≥ 3.0.0)
Published:	2026-11-08
DOI:	10.32614/CRAN.package.abstractExtractR
Author:	Diogo Ribeiro [aut, cre, cph] (affiliation: Faculty of Media Arts and Design of the Technical University of Porto)
Maintainer:	Diogo Ribeiro <dfr at esmad.ipp.pt>
License:	MIT + file LICENSE
NeedsCompilation:	no
Language:	en-US
Materials:	NEWS
CRAN checks:	abstractExtractR results

Documentation:

Reference manual:

abstractExtractR.html , abstractExtractR.pdf

Downloads:

Package source:	abstractExtractR_0.3.0.tar.gz
Windows binaries:	r-devel: not available, r-release: abstractExtractR_0.3.0.zip, r-oldrel: not available
macOS binaries:	r-release (arm64): abstractExtractR_0.3.0.tgz, r-oldrel (arm64): abstractExtractR_0.3.0.tgz, r-release (x86_64): abstractExtractR_0.3.0.tgz, r-oldrel (x86_64): abstractExtractR_0.3.0.tgz

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