{"id":"https://openalex.org/W2087528959","doi":"https://doi.org/10.1016/s0743-1066(99)00066-7","title":"More on tractable disjunctive Datalog","display_name":"More on tractable disjunctive Datalog","publication_year":2000,"publication_date":"2000-11-01","ids":{"openalex":"https://openalex.org/W2087528959","doi":"https://doi.org/10.1016/s0743-1066(99)00066-7","mag":"2087528959"},"language":"en","primary_location":{"id":"doi:10.1016/s0743-1066(99)00066-7","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0743-1066(99)00066-7","pdf_url":null,"source":{"id":"https://openalex.org/S86488779","display_name":"The Journal of Logic Programming","issn_l":"0743-1066","issn":["0743-1066","1873-5789"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Logic Programming","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5023948083","display_name":"Rachel Ben\u2010Eliyahu\u2010Zohary","orcid":"https://orcid.org/0000-0002-9585-5014"},"institutions":[{"id":"https://openalex.org/I124227911","display_name":"Ben-Gurion University of the Negev","ror":"https://ror.org/05tkyf982","country_code":"IL","type":"education","lineage":["https://openalex.org/I124227911"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Rachel Ben-Eliyahu-Zohary","raw_affiliation_strings":["Communication Systems Engineering Department, Ben Gurion University of the Negev, Ber-Sheeva 84105, Israel"],"affiliations":[{"raw_affiliation_string":"Communication Systems Engineering Department, Ben Gurion University of the Negev, Ber-Sheeva 84105, Israel","institution_ids":["https://openalex.org/I124227911"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5055479421","display_name":"Luigi Palopoli","orcid":"https://orcid.org/0000-0003-4915-5137"},"institutions":[{"id":"https://openalex.org/I45204951","display_name":"University of Calabria","ror":"https://ror.org/02rc97e94","country_code":"IT","type":"education","lineage":["https://openalex.org/I45204951"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Luigi Palopoli","raw_affiliation_strings":["Dip. di Elettr. Inform e Sist. (DEIS), Universita della Calabria, Arcavata di Rende, 87036 Rende (CS), Italy"],"affiliations":[{"raw_affiliation_string":"Dip. di Elettr. Inform e Sist. (DEIS), Universita della Calabria, Arcavata di Rende, 87036 Rende (CS), Italy","institution_ids":["https://openalex.org/I45204951"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087482288","display_name":"Victoria Zemlyanker","orcid":null},"institutions":[{"id":"https://openalex.org/I174306211","display_name":"Technion \u2013 Israel Institute of Technology","ror":"https://ror.org/03qryx823","country_code":"IL","type":"education","lineage":["https://openalex.org/I174306211"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Victoria Zemlyanker","raw_affiliation_strings":["Department of Information Engineering, Technion \u2013 Israel Institute of Technology, Haifa 32000, Israel"],"affiliations":[{"raw_affiliation_string":"Department of Information Engineering, Technion \u2013 Israel Institute of Technology, Haifa 32000, Israel","institution_ids":["https://openalex.org/I174306211"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5055479421"],"corresponding_institution_ids":["https://openalex.org/I45204951"],"apc_list":null,"apc_paid":null,"fwci":0.5328,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.77372437,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"46","issue":"1-2","first_page":"61","last_page":"101"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9957000017166138,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/datalog","display_name":"Datalog","score":0.995699405670166},{"id":"https://openalex.org/keywords/expressive-power","display_name":"Expressive power","score":0.79854416847229},{"id":"https://openalex.org/keywords/fragment","display_name":"Fragment (logic)","score":0.7956799268722534},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5615388751029968},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.5161643624305725},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.43455925583839417},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4254376292228699},{"id":"https://openalex.org/keywords/deductive-database","display_name":"Deductive database","score":0.41214099526405334},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.41189610958099365},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.33850646018981934},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.18576091527938843}],"concepts":[{"id":"https://openalex.org/C148230440","wikidata":"https://www.wikidata.org/wiki/Q1172264","display_name":"Datalog","level":2,"score":0.995699405670166},{"id":"https://openalex.org/C195818886","wikidata":"https://www.wikidata.org/wiki/Q5421724","display_name":"Expressive power","level":2,"score":0.79854416847229},{"id":"https://openalex.org/C2776235265","wikidata":"https://www.wikidata.org/wiki/Q18392052","display_name":"Fragment (logic)","level":2,"score":0.7956799268722534},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5615388751029968},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.5161643624305725},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.43455925583839417},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4254376292228699},{"id":"https://openalex.org/C2777502361","wikidata":"https://www.wikidata.org/wiki/Q1182254","display_name":"Deductive database","level":2,"score":0.41214099526405334},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.41189610958099365},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.33850646018981934},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.18576091527938843},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0743-1066(99)00066-7","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0743-1066(99)00066-7","pdf_url":null,"source":{"id":"https://openalex.org/S86488779","display_name":"The Journal of Logic Programming","issn_l":"0743-1066","issn":["0743-1066","1873-5789"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Logic Programming","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.6100000143051147,"display_name":"Quality Education"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":51,"referenced_works":["https://openalex.org/W24220676","https://openalex.org/W25304578","https://openalex.org/W73864267","https://openalex.org/W270081759","https://openalex.org/W1494051470","https://openalex.org/W1505787149","https://openalex.org/W1516981545","https://openalex.org/W1524811847","https://openalex.org/W1558832481","https://openalex.org/W1562038341","https://openalex.org/W1582599909","https://openalex.org/W1589875904","https://openalex.org/W1768000531","https://openalex.org/W1968513265","https://openalex.org/W1970629906","https://openalex.org/W1971279826","https://openalex.org/W1974247722","https://openalex.org/W1984890936","https://openalex.org/W1989783863","https://openalex.org/W1998162300","https://openalex.org/W2002476082","https://openalex.org/W2023141722","https://openalex.org/W2043182143","https://openalex.org/W2052713897","https://openalex.org/W2063545044","https://openalex.org/W2063922067","https://openalex.org/W2065555531","https://openalex.org/W2076698873","https://openalex.org/W2085084839","https://openalex.org/W2087432892","https://openalex.org/W2088094394","https://openalex.org/W2103797177","https://openalex.org/W2118382442","https://openalex.org/W2132745831","https://openalex.org/W2132750992","https://openalex.org/W2140587192","https://openalex.org/W2159808530","https://openalex.org/W2161609549","https://openalex.org/W2295882966","https://openalex.org/W2400283444","https://openalex.org/W2411085520","https://openalex.org/W3127113455","https://openalex.org/W4210596830","https://openalex.org/W4212881215","https://openalex.org/W6601043544","https://openalex.org/W6629424293","https://openalex.org/W6630400633","https://openalex.org/W6631072894","https://openalex.org/W6635507592","https://openalex.org/W6636316686","https://openalex.org/W6666639950"],"related_works":["https://openalex.org/W3034722188","https://openalex.org/W1565767456","https://openalex.org/W4242285398","https://openalex.org/W79246384","https://openalex.org/W2593015871","https://openalex.org/W1552372479","https://openalex.org/W1582599909","https://openalex.org/W1980112335","https://openalex.org/W1521337661","https://openalex.org/W2117344057"],"abstract_inverted_index":null,"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":2}],"updated_date":"2026-03-10T14:07:55.174380","created_date":"2025-10-10T00:00:00"}