{"id":"https://openalex.org/W2116331749","doi":"https://doi.org/10.1145/2484712.2484716","title":"Scalable containment for unions of conjunctive queries under constraints","display_name":"Scalable containment for unions of conjunctive queries under constraints","publication_year":2013,"publication_date":"2013-06-11","ids":{"openalex":"https://openalex.org/W2116331749","doi":"https://doi.org/10.1145/2484712.2484716","mag":"2116331749"},"language":"en","primary_location":{"id":"doi:10.1145/2484712.2484716","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2484712.2484716","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Fifth Workshop on Semantic Web Information Management","raw_type":"proceedings-article"},"type":"conference-paper","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/A5000674196","display_name":"George Konstantinidis","orcid":"https://orcid.org/0000-0002-3962-9303"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]},{"id":"https://openalex.org/I2801204180","display_name":"Marina Del Rey Hospital","ror":"https://ror.org/05wqyfz02","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2801204180"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"George Konstantinidis","raw_affiliation_strings":["University of Southern California, Marina Del Rey, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Southern California, Marina Del Rey, CA","institution_ids":["https://openalex.org/I1174212","https://openalex.org/I2801204180"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033175043","display_name":"Jos\u00e9 Luis Ambite","orcid":"https://orcid.org/0000-0003-0087-080X"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]},{"id":"https://openalex.org/I2801204180","display_name":"Marina Del Rey Hospital","ror":"https://ror.org/05wqyfz02","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2801204180"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Jose Luis Ambite","raw_affiliation_strings":["University of Southern California, Marina Del Rey, CA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Southern California, Marina Del Rey, CA","institution_ids":["https://openalex.org/I1174212","https://openalex.org/I2801204180"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"1","last_page":"8"},"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":0.9997000098228455,"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/T11106","display_name":"Data Management and Algorithms","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/conjunctive-query","display_name":"Conjunctive query","score":0.8070239424705505},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7606489062309265},{"id":"https://openalex.org/keywords/boolean-conjunctive-query","display_name":"Boolean conjunctive query","score":0.5814121961593628},{"id":"https://openalex.org/keywords/containment","display_name":"Containment (computer programming)","score":0.561787486076355},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.5498046875},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.543624758720398},{"id":"https://openalex.org/keywords/axiom","display_name":"Axiom","score":0.5300552248954773},{"id":"https://openalex.org/keywords/tuple","display_name":"Tuple","score":0.5246593952178955},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.5160398483276367},{"id":"https://openalex.org/keywords/rdf","display_name":"RDF","score":0.5122184157371521},{"id":"https://openalex.org/keywords/data-integrity","display_name":"Data integrity","score":0.51178377866745},{"id":"https://openalex.org/keywords/sparql","display_name":"SPARQL","score":0.48495081067085266},{"id":"https://openalex.org/keywords/materialized-view","display_name":"Materialized view","score":0.48474738001823425},{"id":"https://openalex.org/keywords/spatial-query","display_name":"Spatial query","score":0.4760974645614624},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.4692680239677429},{"id":"https://openalex.org/keywords/sql","display_name":"SQL","score":0.468821257352829},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4479559659957886},{"id":"https://openalex.org/keywords/relational-algebra","display_name":"Relational algebra","score":0.42253023386001587},{"id":"https://openalex.org/keywords/deductive-database","display_name":"Deductive database","score":0.4224204123020172},{"id":"https://openalex.org/keywords/rdf-query-language","display_name":"RDF query language","score":0.42022013664245605},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.33300185203552246},{"id":"https://openalex.org/keywords/sargable","display_name":"Sargable","score":0.32810062170028687},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.2788975238800049},{"id":"https://openalex.org/keywords/web-query-classification","display_name":"Web query classification","score":0.24199792742729187},{"id":"https://openalex.org/keywords/view","display_name":"View","score":0.2202078104019165},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.21195903420448303},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.17181396484375},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16260403394699097},{"id":"https://openalex.org/keywords/semantic-web","display_name":"Semantic Web","score":0.11405619978904724},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.10878592729568481},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.09827357530593872}],"concepts":[{"id":"https://openalex.org/C65647387","wikidata":"https://www.wikidata.org/wiki/Q1781706","display_name":"Conjunctive query","level":3,"score":0.8070239424705505},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7606489062309265},{"id":"https://openalex.org/C24755975","wikidata":"https://www.wikidata.org/wiki/Q4943354","display_name":"Boolean conjunctive query","level":5,"score":0.5814121961593628},{"id":"https://openalex.org/C2777019822","wikidata":"https://www.wikidata.org/wiki/Q390066","display_name":"Containment (computer programming)","level":2,"score":0.561787486076355},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5498046875},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.543624758720398},{"id":"https://openalex.org/C167729594","wikidata":"https://www.wikidata.org/wiki/Q17736","display_name":"Axiom","level":2,"score":0.5300552248954773},{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.5246593952178955},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.5160398483276367},{"id":"https://openalex.org/C147497476","wikidata":"https://www.wikidata.org/wiki/Q54872","display_name":"RDF","level":3,"score":0.5122184157371521},{"id":"https://openalex.org/C33762810","wikidata":"https://www.wikidata.org/wiki/Q461671","display_name":"Data integrity","level":2,"score":0.51178377866745},{"id":"https://openalex.org/C41009113","wikidata":"https://www.wikidata.org/wiki/Q54871","display_name":"SPARQL","level":4,"score":0.48495081067085266},{"id":"https://openalex.org/C98199447","wikidata":"https://www.wikidata.org/wiki/Q2445044","display_name":"Materialized view","level":4,"score":0.48474738001823425},{"id":"https://openalex.org/C172722865","wikidata":"https://www.wikidata.org/wiki/Q2302053","display_name":"Spatial query","level":5,"score":0.4760974645614624},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.4692680239677429},{"id":"https://openalex.org/C510870499","wikidata":"https://www.wikidata.org/wiki/Q47607","display_name":"SQL","level":2,"score":0.468821257352829},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4479559659957886},{"id":"https://openalex.org/C95916125","wikidata":"https://www.wikidata.org/wiki/Q840540","display_name":"Relational algebra","level":3,"score":0.42253023386001587},{"id":"https://openalex.org/C2777502361","wikidata":"https://www.wikidata.org/wiki/Q1182254","display_name":"Deductive database","level":2,"score":0.4224204123020172},{"id":"https://openalex.org/C96956885","wikidata":"https://www.wikidata.org/wiki/Q6138701","display_name":"RDF query language","level":5,"score":0.42022013664245605},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.33300185203552246},{"id":"https://openalex.org/C192939062","wikidata":"https://www.wikidata.org/wiki/Q104840822","display_name":"Sargable","level":4,"score":0.32810062170028687},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.2788975238800049},{"id":"https://openalex.org/C118689300","wikidata":"https://www.wikidata.org/wiki/Q7978614","display_name":"Web query classification","level":4,"score":0.24199792742729187},{"id":"https://openalex.org/C54239708","wikidata":"https://www.wikidata.org/wiki/Q1329910","display_name":"View","level":3,"score":0.2202078104019165},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.21195903420448303},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.17181396484375},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16260403394699097},{"id":"https://openalex.org/C2129575","wikidata":"https://www.wikidata.org/wiki/Q54837","display_name":"Semantic Web","level":2,"score":0.11405619978904724},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.10878592729568481},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.09827357530593872},{"id":"https://openalex.org/C148840519","wikidata":"https://www.wikidata.org/wiki/Q1049878","display_name":"Database design","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1145/2484712.2484716","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2484712.2484716","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Fifth Workshop on Semantic Web Information Management","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.soton.ac.uk:504282","is_oa":false,"landing_page_url":"https://eprints.soton.ac.uk/504282/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401019","display_name":"ePrints Soton (University of Southampton)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I43439940","host_organization_name":"University of Southampton","host_organization_lineage":["https://openalex.org/I43439940"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Conference or Workshop Item"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W180578187","https://openalex.org/W187851124","https://openalex.org/W1558832481","https://openalex.org/W1569370144","https://openalex.org/W1824207140","https://openalex.org/W1967992696","https://openalex.org/W1969833016","https://openalex.org/W1975733288","https://openalex.org/W1978460233","https://openalex.org/W1979514837","https://openalex.org/W1985581502","https://openalex.org/W2005735417","https://openalex.org/W2012428008","https://openalex.org/W2025731090","https://openalex.org/W2025868887","https://openalex.org/W2028222220","https://openalex.org/W2028864278","https://openalex.org/W2029399717","https://openalex.org/W2032386524","https://openalex.org/W2056660085","https://openalex.org/W2065260818","https://openalex.org/W2075035440","https://openalex.org/W2102333580","https://openalex.org/W2102729564","https://openalex.org/W2104399159","https://openalex.org/W2108414652","https://openalex.org/W2115822498","https://openalex.org/W2119046278","https://openalex.org/W2137862151","https://openalex.org/W2148096737","https://openalex.org/W2159686758","https://openalex.org/W2160983447","https://openalex.org/W2169196165","https://openalex.org/W2752197104","https://openalex.org/W4206696315","https://openalex.org/W6633513001","https://openalex.org/W6634082989","https://openalex.org/W6999437753"],"related_works":["https://openalex.org/W1483388050","https://openalex.org/W2137382312","https://openalex.org/W2004485491","https://openalex.org/W2964058024","https://openalex.org/W1492449180","https://openalex.org/W2156776134","https://openalex.org/W2013334450","https://openalex.org/W79051208","https://openalex.org/W2365015302","https://openalex.org/W1525937901"],"abstract_inverted_index":{"We":[0,57,76,98,159],"consider":[1,58,78,99],"the":[2,20,30,65,85,105,122,127,147,185],"problem":[3,38],"of":[4,13,22,32,60,67,87,95,101,126,140,157,164,187,209,214],"query":[5,25,53,69],"containment":[6,112,150,193],"under":[7,113],"ontological":[8,79],"constraints,":[9],"such":[10,41,71],"as":[11,42,72],"those":[12],"RDFS.":[14],"Query":[15,111],"containment,":[16],"i.e.,":[17],"deciding":[18],"whether":[19],"answers":[21,31],"a":[23,154,161,171,181,198,207],"given":[24],"are":[26],"always":[27],"contained":[28],"in":[29,84,170],"another":[33],"query,":[34],"is":[35,107],"an":[36],"important":[37],"to":[39,50,109,211],"areas":[40],"database":[43],"theory":[44],"and":[45,55,74,93,130,149,191,194,200],"knowledge":[46],"representation,":[47],"with":[48,197],"applications":[49],"data":[51],"integration,":[52],"optimization":[54],"minimization.":[56],"unions":[59,139],"conjunctive":[61,141],"queries,":[62,142],"which":[63,104],"constitute":[64],"core":[66],"structured":[68],"languages,":[70],"SPARQL":[73],"SQL.":[75],"also":[77],"constraints":[80],"or":[81],"axioms,":[82],"expressed":[83],"language":[86],"Tuple-Generating":[88],"Dependencies.":[89],"TGDs":[90,102],"capture":[91],"RDF/S":[92],"fragments":[94],"Description":[96],"Logics.":[97],"classes":[100],"for":[103,145,189],"chase":[106,123,148,190],"known":[108],"terminate.":[110],"chase-terminating":[114],"axioms":[115],"can":[116],"be":[117],"decided":[118],"by":[119,174],"first":[120],"running":[121],"on":[124,133],"one":[125],"two":[128,212],"queries":[129,169],"then":[131],"rely":[132],"classic":[134,143],"relational":[135],"containment.":[136],"When":[137],"considering":[138],"algorithms":[144],"both":[146,188],"phases":[151,186],"suffer":[152],"from":[153],"large":[155],"degree":[156],"redundancy.":[158],"leverage":[160],"graph-based":[162],"modeling":[163],"rules,":[165],"that":[166],"represents":[167],"multiple":[168],"compact":[172],"form,":[173],"exploiting":[175],"shared":[176],"patterns":[177],"amongst":[178],"them.":[179],"As":[180],"result":[182],"we":[183],"couple":[184],"regular":[192],"end":[195],"up":[196],"faster":[199],"more":[201],"scalable":[202],"algorithm.":[203],"Our":[204],"experiments":[205],"show":[206],"speedup":[208],"close":[210],"orders":[213],"magnitude.":[215]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}