Unresolvable Identifier
critical
doi_compliance
unresolvable_identifier
Identifier '10.1016/0022-0000(89' 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
doi:10.1016/0022-0000(89) 90041-X. Bhore, Liu, Naredla, Nekrich, Oh, van Renssen, Staals, Wang, and Xue 37 18 Leonidas J. Guibas, John Hershberger, Daniel Leven, Micha Sharir, and Robert E. Tarjan. Linear-time algorithms for visibility and shortest path problems inside triangulated simple polygons.Algorithmica, 2(1-4):209–233, 1987.doi:10.1007/BF01840360. 19 Leonidas J. Guibas, Rajeev Motwani, and Prabhakar Raghavan. The robot localization problem in two dimensions. InProceedings of the 3rd Annual ACM-SIAM Symposium on Discrete Algorithms (SODA), pages 259–268, 1992.doi:10.5555/139404.139460. 20 John Hershberger and Subhash Suri. A pedestrian approach to ray shooting: Shoot a ray, take a walk.Journal of Algorithms, 18:403–431, 1995.doi:10.1006/jagm.1995.1017. 21 Rajasekhar Inkulu and Sanjiv Kapoor. Visibility queries in a polygonal region.Computational Geometry: Theory and Applications, 42(9):852–864, 2009.doi:10.1016/j.comgeo.2009.02
Evidence payload
{
"arxiv_id": null,
"checked_sources": [
"crossref_by_doi",
"openalex_by_doi",
"doi_org_head"
],
"doi": "10.1016/0022-0000(89",
"raw_excerpt": "doi:10.1016/0022-0000(89) 90041-X. Bhore, Liu, Naredla, Nekrich, Oh, van Renssen, Staals, Wang, and Xue 37 18 Leonidas J. Guibas, John Hershberger, Daniel Leven, Micha Sharir, and Robert E. Tarjan. Linear-time algorithms for visibility and shortest path problems inside triangulated simple polygons.Algorithmica, 2(1-4):209\u2013233, 1987.doi:10.1007/BF01840360. 19 Leonidas J. Guibas, Rajeev Motwani, and",
"ref_index": 10,
"verdict_class": "cross_source"
}