Unresolvable Identifier

arXiv:2605.00417 · detector doi_compliance · cross_source · 2026-05-19 18:10:55.869676+00:00

critical doi_compliance unresolvable_identifier

Identifier '10.5555/3032027.3032071' 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

Roman Kontchakov and Egor V. Kostylev. 2016. On Expressibility of Non-Monotone Operators in SPARQL. InInt. Conference on the Principles of Knowledge Representation and Reasoning. AAAI Press, 369–378. https://dl.acm.org/doi/ 10.5555/3032027.3032071

Evidence payload

{
  "arxiv_id": null,
  "checked_sources": [
    "crossref_by_doi",
    "openalex_by_doi",
    "doi_org_head"
  ],
  "doi": "10.5555/3032027.3032071",
  "raw_excerpt": "Roman Kontchakov and Egor V. Kostylev. 2016. On Expressibility of Non-Monotone Operators in SPARQL. InInt. Conference on the Principles of Knowledge Representation and Reasoning. AAAI Press, 369\u2013378. https://dl.acm.org/doi/ 10.5555/3032027.3032071",
  "ref_index": 30,
  "verdict_class": "cross_source"
}