{"id":"https://openalex.org/W2808240130","doi":"https://doi.org/10.14778/3213880.3213888","title":"The Vadalog system","display_name":"The Vadalog system","publication_year":2018,"publication_date":"2018-05-01","ids":{"openalex":"https://openalex.org/W2808240130","doi":"https://doi.org/10.14778/3213880.3213888","mag":"2808240130"},"language":"en","primary_location":{"id":"doi:10.14778/3213880.3213888","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3213880.3213888","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the VLDB Endowment","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/A5049287242","display_name":"Luigi Bellomarini","orcid":"https://orcid.org/0000-0001-6863-0162"},"institutions":[{"id":"https://openalex.org/I103737770","display_name":"Bank of Italy","ror":"https://ror.org/03v2nbx43","country_code":"IT","type":"funder","lineage":["https://openalex.org/I103737770"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Luigi Bellomarini","raw_affiliation_strings":["University of Oxford and Banca d'Italia and Universit\u00e0 Roma Tre"],"affiliations":[{"raw_affiliation_string":"University of Oxford and Banca d'Italia and Universit\u00e0 Roma Tre","institution_ids":["https://openalex.org/I103737770"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012243761","display_name":"Emanuel Sallinger","orcid":"https://orcid.org/0000-0001-7441-129X"},"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":"Emanuel Sallinger","raw_affiliation_strings":["University of Oxford"],"affiliations":[{"raw_affiliation_string":"University of Oxford","institution_ids":["https://openalex.org/I40120149"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050151740","display_name":"Georg Gottlob","orcid":"https://orcid.org/0000-0002-2353-5230"},"institutions":[{"id":"https://openalex.org/I145847075","display_name":"TU Wien","ror":"https://ror.org/04d836q62","country_code":"AT","type":"education","lineage":["https://openalex.org/I145847075"]},{"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":["AT","GB"],"is_corresponding":false,"raw_author_name":"Georg Gottlob","raw_affiliation_strings":["University of Oxford and TU Wien"],"affiliations":[{"raw_affiliation_string":"University of Oxford and TU Wien","institution_ids":["https://openalex.org/I145847075","https://openalex.org/I40120149"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5049287242"],"corresponding_institution_ids":["https://openalex.org/I103737770"],"apc_list":null,"apc_paid":null,"fwci":9.2844,"has_fulltext":false,"cited_by_count":91,"citation_normalized_percentile":{"value":0.98270875,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"11","issue":"9","first_page":"975","last_page":"987"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9983000159263611,"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":0.9983000159263611,"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/T11986","display_name":"Scientific Computing and Data Management","score":0.9941999912261963,"subfield":{"id":"https://openalex.org/subfields/1802","display_name":"Information Systems and Management"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9830999970436096,"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":0.9961452484130859},{"id":"https://openalex.org/keywords/undecidable-problem","display_name":"Undecidable problem","score":0.8292146325111389},{"id":"https://openalex.org/keywords/decidability","display_name":"Decidability","score":0.7280893325805664},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7185661792755127},{"id":"https://openalex.org/keywords/p","display_name":"P","score":0.587070882320404},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5222386121749878},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.5128172039985657},{"id":"https://openalex.org/keywords/existentialism","display_name":"Existentialism","score":0.4554535746574402},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3665974736213684},{"id":"https://openalex.org/keywords/epistemology","display_name":"Epistemology","score":0.17374324798583984},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.11922094225883484},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.11502674221992493}],"concepts":[{"id":"https://openalex.org/C148230440","wikidata":"https://www.wikidata.org/wiki/Q1172264","display_name":"Datalog","level":2,"score":0.9961452484130859},{"id":"https://openalex.org/C192034797","wikidata":"https://www.wikidata.org/wiki/Q3502995","display_name":"Undecidable problem","level":3,"score":0.8292146325111389},{"id":"https://openalex.org/C153269930","wikidata":"https://www.wikidata.org/wiki/Q430001","display_name":"Decidability","level":2,"score":0.7280893325805664},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7185661792755127},{"id":"https://openalex.org/C134026603","wikidata":"https://www.wikidata.org/wiki/Q846354","display_name":"P","level":3,"score":0.587070882320404},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5222386121749878},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.5128172039985657},{"id":"https://openalex.org/C127882523","wikidata":"https://www.wikidata.org/wiki/Q38066","display_name":"Existentialism","level":2,"score":0.4554535746574402},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3665974736213684},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.17374324798583984},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.11922094225883484},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.11502674221992493},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.14778/3213880.3213888","is_oa":false,"landing_page_url":"https://doi.org/10.14778/3213880.3213888","pdf_url":null,"source":{"id":"https://openalex.org/S4210226185","display_name":"Proceedings of the VLDB Endowment","issn_l":"2150-8097","issn":["2150-8097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the VLDB Endowment","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Industry, innovation and infrastructure","score":0.6100000143051147,"id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G8400180575","display_name":null,"funder_award_id":"EP/M025268/1","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":38,"referenced_works":["https://openalex.org/W1558832481","https://openalex.org/W1797057780","https://openalex.org/W1824207140","https://openalex.org/W1988045490","https://openalex.org/W1989009626","https://openalex.org/W2000587134","https://openalex.org/W2001399171","https://openalex.org/W2008865455","https://openalex.org/W2018934112","https://openalex.org/W2031408123","https://openalex.org/W2039941117","https://openalex.org/W2046242379","https://openalex.org/W2048324994","https://openalex.org/W2068022498","https://openalex.org/W2103738827","https://openalex.org/W2113807516","https://openalex.org/W2136195851","https://openalex.org/W2148096737","https://openalex.org/W2188696002","https://openalex.org/W2189052568","https://openalex.org/W2193530801","https://openalex.org/W2211160973","https://openalex.org/W2255085205","https://openalex.org/W2270663495","https://openalex.org/W2285905490","https://openalex.org/W2299775049","https://openalex.org/W2402454521","https://openalex.org/W2487869802","https://openalex.org/W2576701775","https://openalex.org/W2583369873","https://openalex.org/W2585196727","https://openalex.org/W2613947812","https://openalex.org/W2739618783","https://openalex.org/W2780545631","https://openalex.org/W3023186102","https://openalex.org/W3121831228","https://openalex.org/W4206031975","https://openalex.org/W6633513001"],"related_works":["https://openalex.org/W2129111346","https://openalex.org/W4386139009","https://openalex.org/W2049832719","https://openalex.org/W1746884077","https://openalex.org/W2808240130","https://openalex.org/W2926816154","https://openalex.org/W4317641481","https://openalex.org/W2951098726","https://openalex.org/W2788108184","https://openalex.org/W2394513129"],"abstract_inverted_index":{"Over":[0],"the":[1,13,31,59,108,135,143,156,164],"past":[2],"years,":[3],"there":[4],"has":[5,25,45],"been":[6,26,71],"a":[7,80,111,139,170,183],"resurgence":[8],"of":[9,61,98,142,145,159,167],"Datalog-based":[10,56,112],"systems":[11],"in":[12,19,58,65,124],"database":[14],"community":[15],"as":[16,18,38,52,84,121],"well":[17],"industry.":[20],"In":[21,103],"this":[22,104,160],"context,":[23],"it":[24,85],"recognized":[27],"that":[28],"to":[29,46,73,134],"handle":[30],"complex":[32,116],"knowledge-based":[33],"scenarios":[34],"encountered":[35],"today,":[36],"such":[37,51,120],"reasoning":[39,57,118],"over":[40],"large":[41],"knowledge":[42,126],"graphs,":[43],"Datalog":[44],"be":[47],"extended":[48],"with":[49],"features":[50],"existential":[53,62],"quantification.":[54],"Yet,":[55],"presence":[60],"quantification":[63],"is":[64,79,131],"general":[66],"undecidable.":[67],"Many":[68],"efforts":[69],"have":[70],"made":[72],"define":[74],"decidable":[75],"fragments.":[76],"Warded":[77,99,168],"Datalog+/-":[78,100,172],"very":[81],"promising":[82],"one,":[83],"captures":[86],"PTIME":[87],"complexity":[88],"while":[89],"allowing":[90],"ontological":[91],"reasoning.":[92],"Yet":[93],"so":[94],"far,":[95],"no":[96],"implementation":[97,166],"was":[101],"available.":[102],"paper":[105],"we":[106,162],"present":[107],"Vadalog":[109,129],"system,":[110],"system":[113,130,173],"for":[114],"performing":[115],"logic":[117],"tasks,":[119],"those":[122],"required":[123],"advanced":[125],"graphs.":[127],"The":[128],"Oxford's":[132],"contribution":[133,158],"VADA":[136],"research":[137],"programme,":[138],"joint":[140],"effort":[141],"universities":[144],"Oxford,":[146],"Manchester":[147],"and":[148,150],"Edinburgh":[149],"around":[151],"20":[152],"industrial":[153],"partners.":[154],"As":[155],"main":[157],"paper,":[161],"illustrate":[163],"first":[165],"Datalog+/-,":[169],"high-performance":[171],"utilizing":[174],"an":[175],"aggressive":[176],"termination":[177],"control":[178],"strategy.":[179],"We":[180],"also":[181],"provide":[182],"comprehensive":[184],"experimental":[185],"evaluation.":[186]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":15},{"year":2021,"cited_by_count":22},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":17},{"year":2018,"cited_by_count":6}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2018-06-21T00:00:00"}