Unresolvable Identifier

arXiv:2604.23342 · detector doi_compliance · cross_source · 2026-05-19 23:15:23.260119+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.5555/2002472.2002491' is syntactically valid but the DOI registry (doi.org) returned 404, and Crossref / OpenAlex / internal corpus also have no record. The cited work could not be located through any authoritative source.

Paper page Integrity report arXiv Try DOI

Evidence text

Andrew Maas, Raymond E Daly, Peter T Pham, Dan Huang, Andrew Y Ng, and Christopher Potts. 2011. Learning word vectors for sentiment analysis. InProceedings of the 49th annual meeting of the association for computational linguistics: Human language technologies. 142–150. https://dl.acm.org/doi/10.5555/2002472.2002491

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.5555/2002472.2002491",
  "raw_excerpt": "Andrew Maas, Raymond E Daly, Peter T Pham, Dan Huang, Andrew Y Ng, and Christopher Potts. 2011. Learning word vectors for sentiment analysis. InProceedings of the 49th annual meeting of the association for computational linguistics: Human language technologies. 142\u2013150. https://dl.acm.org/doi/10.5555/2002472.2002491",
  "ref_index": 53,
  "verdict_class": "cross_source"
}