{"id":"https://openalex.org/W1784811291","doi":"https://doi.org/10.1007/978-3-642-15918-3_1","title":"Query Answering under Non-guarded Rules in Datalog+/-","display_name":"Query Answering under Non-guarded Rules in Datalog+/-","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W1784811291","doi":"https://doi.org/10.1007/978-3-642-15918-3_1","mag":"1784811291"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-642-15918-3_1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-642-15918-3_1","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"book-chapter","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/A5007649727","display_name":"Andrea Cal\u0131\u0300","orcid":"https://orcid.org/0000-0001-5678-6899"},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]},{"id":"https://openalex.org/I59433898","display_name":"Brunel University of London","ror":"https://ror.org/00dn4t376","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I59433898"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Andrea Cal\u00ec","raw_affiliation_strings":["Department of Information Systems and Computing, Brunel University, UK","Oxford-Man Institute of Quantitative Finance, University of Oxford, UK","Computing Laboratory, University of Oxford, UK#TAB#"],"affiliations":[{"raw_affiliation_string":"Department of Information Systems and Computing, Brunel University, UK","institution_ids":["https://openalex.org/I59433898"]},{"raw_affiliation_string":"Oxford-Man Institute of Quantitative Finance, University of Oxford, UK","institution_ids":["https://openalex.org/I40120149"]},{"raw_affiliation_string":"Computing Laboratory, University of Oxford, UK#TAB#","institution_ids":["https://openalex.org/I40120149"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050151740","display_name":"Georg Gottlob","orcid":"https://orcid.org/0000-0002-2353-5230"},"institutions":[{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Georg Gottlob","raw_affiliation_strings":["Computing Laboratory, University of Oxford, UK","Oxford-Man Institute of Quantitative Finance, University of Oxford, UK","Oxford-Man Institute of Quantitative Finance, University of Oxford, UK#TAB#"],"affiliations":[{"raw_affiliation_string":"Computing Laboratory, University of Oxford, UK","institution_ids":["https://openalex.org/I40120149"]},{"raw_affiliation_string":"Oxford-Man Institute of Quantitative Finance, University of Oxford, UK","institution_ids":["https://openalex.org/I40120149"]},{"raw_affiliation_string":"Oxford-Man Institute of Quantitative Finance, University of Oxford, UK#TAB#","institution_ids":["https://openalex.org/I40120149"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067962748","display_name":"Andr\u00e9as Pieris","orcid":"https://orcid.org/0000-0003-4779-3469"},"institutions":[{"id":"https://openalex.org/I59433898","display_name":"Brunel University of London","ror":"https://ror.org/00dn4t376","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I59433898"]},{"id":"https://openalex.org/I40120149","display_name":"University of Oxford","ror":"https://ror.org/052gg0110","country_code":"GB","type":"education","lineage":["https://openalex.org/I40120149"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Andreas Pieris","raw_affiliation_strings":["Computing Laboratory, University of Oxford, UK","Department of Information Systems and Computing, Brunel University, UK"],"affiliations":[{"raw_affiliation_string":"Computing Laboratory, University of Oxford, UK","institution_ids":["https://openalex.org/I40120149"]},{"raw_affiliation_string":"Department of Information Systems and Computing, Brunel University, UK","institution_ids":["https://openalex.org/I59433898"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5007649727"],"corresponding_institution_ids":["https://openalex.org/I40120149","https://openalex.org/I59433898"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":15.8109,"has_fulltext":false,"cited_by_count":97,"citation_normalized_percentile":{"value":0.99464217,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"17"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9998000264167786,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9998000264167786,"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/T10317","display_name":"Advanced Database Systems and Queries","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9979000091552734,"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":0.8896243572235107},{"id":"https://openalex.org/keywords/decidability","display_name":"Decidability","score":0.8678982257843018},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7215135097503662},{"id":"https://openalex.org/keywords/conjunctive-query","display_name":"Conjunctive query","score":0.5012309551239014},{"id":"https://openalex.org/keywords/joins","display_name":"Joins","score":0.5009348392486572},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.500694751739502},{"id":"https://openalex.org/keywords/fragment","display_name":"Fragment (logic)","score":0.47013410925865173},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4356163740158081},{"id":"https://openalex.org/keywords/tuple","display_name":"Tuple","score":0.41416168212890625},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3950423300266266},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.36476320028305054},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.2546785771846771},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.19697532057762146},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17458117008209229},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1316744089126587}],"concepts":[{"id":"https://openalex.org/C148230440","wikidata":"https://www.wikidata.org/wiki/Q1172264","display_name":"Datalog","level":2,"score":0.8896243572235107},{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.8678982257843018},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7215135097503662},{"id":"https://openalex.org/C65647387","wikidata":"https://www.wikidata.org/wiki/Q1781706","display_name":"Conjunctive query","level":3,"score":0.5012309551239014},{"id":"https://openalex.org/C2778692605","wikidata":"https://www.wikidata.org/wiki/Q4041866","display_name":"Joins","level":2,"score":0.5009348392486572},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.500694751739502},{"id":"https://openalex.org/C2776235265","wikidata":"https://www.wikidata.org/wiki/Q18392052","display_name":"Fragment (logic)","level":2,"score":0.47013410925865173},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4356163740158081},{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.41416168212890625},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3950423300266266},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.36476320028305054},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.2546785771846771},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.19697532057762146},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17458117008209229},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1316744089126587}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1007/978-3-642-15918-3_1","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-642-15918-3_1","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},{"id":"pmh:oai:eprints.bbk.ac.uk.oai2:6689","is_oa":false,"landing_page_url":"https://eprints.bbk.ac.uk/id/eprint/6689/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400466","display_name":"BIROn (Birkbeck, University of London)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I98259816","host_organization_name":"Birkbeck, University of London","host_organization_lineage":["https://openalex.org/I98259816"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Book Section"},{"id":"pmh:oai:ora.ox.ac.uk:uuid:d15b9b5e-dbfc-4e04-a146-5cdd173dc566","is_oa":false,"landing_page_url":"https://ora.ox.ac.uk/objects/uuid:d15b9b5e-dbfc-4e04-a146-5cdd173dc566","pdf_url":null,"source":{"id":"https://openalex.org/S4306402636","display_name":"Oxford University Research Archive (ORA) (University of Oxford)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I40120149","host_organization_name":"University of Oxford","host_organization_lineage":["https://openalex.org/I40120149"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Department of Computer Science","raw_type":"Conference item"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5343026624","display_name":null,"funder_award_id":"EP/E010865/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W1482134990","https://openalex.org/W1558832481","https://openalex.org/W1569370144","https://openalex.org/W1589124617","https://openalex.org/W1864298756","https://openalex.org/W1969965298","https://openalex.org/W1985581502","https://openalex.org/W2005032394","https://openalex.org/W2013984441","https://openalex.org/W2016785840","https://openalex.org/W2057069578","https://openalex.org/W2062501346","https://openalex.org/W2062796915","https://openalex.org/W2073539738","https://openalex.org/W2102729564","https://openalex.org/W2112289218","https://openalex.org/W2122060442","https://openalex.org/W2137862151","https://openalex.org/W2145813209","https://openalex.org/W2169602474","https://openalex.org/W2474443534","https://openalex.org/W2752197104"],"related_works":["https://openalex.org/W20972493","https://openalex.org/W2338525844","https://openalex.org/W2951257011","https://openalex.org/W2578059697","https://openalex.org/W2963967056","https://openalex.org/W2016456293","https://openalex.org/W118539919","https://openalex.org/W4299540831","https://openalex.org/W4386139009","https://openalex.org/W2604510960"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":11},{"year":2013,"cited_by_count":14},{"year":2012,"cited_by_count":21}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}