{"id":"https://openalex.org/W7160179182","doi":"https://doi.org/10.48550/arxiv.2605.00417","title":"Multiset semantics in SPARQL, Relational Algebra and Datalog","display_name":"Multiset semantics in SPARQL, Relational Algebra and Datalog","publication_year":2026,"publication_date":"2026-05-01","ids":{"openalex":"https://openalex.org/W7160179182","doi":"https://doi.org/10.48550/arxiv.2605.00417"},"language":"en","primary_location":{"id":"pmh:doi:10.18419/opus-18499","is_oa":true,"landing_page_url":"http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-185180","pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-185180","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5135170395","display_name":"Renzo Angles","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Angles, Renzo","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5135157991","display_name":"Claudio Gutierrez","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gutierrez, Claudio","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5073473252","display_name":"Daniel Hern\u00e1ndez","orcid":"https://orcid.org/0000-0002-7896-0875"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hern\u00e1ndez, Daniel","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.56746649,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.7157999873161316,"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":0.7157999873161316,"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":0.07370000332593918,"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":0.0568000003695488,"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":0.878000020980835},{"id":"https://openalex.org/keywords/multiset","display_name":"Multiset","score":0.8738999962806702},{"id":"https://openalex.org/keywords/sparql","display_name":"SPARQL","score":0.5860000252723694},{"id":"https://openalex.org/keywords/relational-algebra","display_name":"Relational algebra","score":0.5663999915122986},{"id":"https://openalex.org/keywords/negation","display_name":"Negation","score":0.565500020980835},{"id":"https://openalex.org/keywords/rotation-formalisms-in-three-dimensions","display_name":"Rotation formalisms in three dimensions","score":0.5138999819755554},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.48179998993873596},{"id":"https://openalex.org/keywords/conjunctive-query","display_name":"Conjunctive query","score":0.47200000286102295}],"concepts":[{"id":"https://openalex.org/C148230440","wikidata":"https://www.wikidata.org/wiki/Q1172264","display_name":"Datalog","level":2,"score":0.878000020980835},{"id":"https://openalex.org/C2779623528","wikidata":"https://www.wikidata.org/wiki/Q864377","display_name":"Multiset","level":2,"score":0.8738999962806702},{"id":"https://openalex.org/C41009113","wikidata":"https://www.wikidata.org/wiki/Q54871","display_name":"SPARQL","level":4,"score":0.5860000252723694},{"id":"https://openalex.org/C95916125","wikidata":"https://www.wikidata.org/wiki/Q840540","display_name":"Relational algebra","level":3,"score":0.5663999915122986},{"id":"https://openalex.org/C2185349","wikidata":"https://www.wikidata.org/wiki/Q190558","display_name":"Negation","level":2,"score":0.565500020980835},{"id":"https://openalex.org/C171018156","wikidata":"https://www.wikidata.org/wiki/Q7370306","display_name":"Rotation formalisms in three dimensions","level":2,"score":0.5138999819755554},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.48179998993873596},{"id":"https://openalex.org/C65647387","wikidata":"https://www.wikidata.org/wiki/Q1781706","display_name":"Conjunctive query","level":3,"score":0.47200000286102295},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46059998869895935},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.45739999413490295},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.4564000070095062},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.45509999990463257},{"id":"https://openalex.org/C9376300","wikidata":"https://www.wikidata.org/wiki/Q168817","display_name":"Algebraic number","level":2,"score":0.4465000033378601},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.3882000148296356},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.3846000134944916},{"id":"https://openalex.org/C2776937656","wikidata":"https://www.wikidata.org/wiki/Q2229669","display_name":"Nesting (process)","level":2,"score":0.38359999656677246},{"id":"https://openalex.org/C203436722","wikidata":"https://www.wikidata.org/wiki/Q902950","display_name":"Isomorphism (crystallography)","level":3,"score":0.3662000000476837},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3582000136375427},{"id":"https://openalex.org/C510870499","wikidata":"https://www.wikidata.org/wiki/Q47607","display_name":"SQL","level":2,"score":0.325300008058548},{"id":"https://openalex.org/C118930307","wikidata":"https://www.wikidata.org/wiki/Q600590","display_name":"Tuple","level":2,"score":0.31709998846054077},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.31380000710487366},{"id":"https://openalex.org/C16739119","wikidata":"https://www.wikidata.org/wiki/Q5139948","display_name":"Codd's theorem","level":5,"score":0.296099990606308},{"id":"https://openalex.org/C32834561","wikidata":"https://www.wikidata.org/wiki/Q660730","display_name":"Subspace topology","level":2,"score":0.25600001215934753}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:doi:10.18419/opus-18499","is_oa":true,"landing_page_url":"http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-185180","pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"doi:10.48550/arxiv.2605.00417","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.00417","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:doi:10.18419/opus-18499","is_oa":true,"landing_page_url":"http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-185180","pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"The":[0],"paper":[1],"analyzes":[2],"and":[3,7,22,36,55,68],"characterizes":[4],"the":[5,11],"algebraic":[6],"logical":[8],"structure":[9],"of":[10,45],"multiset":[12,58,80],"semantics":[13],"for":[14],"SPARQL":[15,29],"patterns":[16],"involving":[17],"AND,":[18],"UNION,":[19],"FILTER,":[20],"EXCEPT,":[21],"SELECT.":[23],"To":[24],"do":[25],"this,":[26],"we":[27,40],"align":[28],"with":[30,48],"two":[31],"well-established":[32],"query":[33],"languages:":[34],"Datalog":[35,47],"Relational":[37],"Algebra.":[38],"Specifically,":[39],"study":[41],"(i)":[42],"a":[43,57],"version":[44],"non-recursive":[46],"safe":[49],"negation":[50],"extended":[51],"to":[52],"support":[53],"multisets,":[54],"(ii)":[56],"relational":[59],"algebra":[60],"comprising":[61],"projection,":[62],"selection,":[63],"natural":[64],"join,":[65],"arithmetic":[66],"union,":[67],"except.":[69],"We":[70],"prove":[71],"that":[72],"these":[73],"three":[74],"formalisms":[75],"are":[76],"expressively":[77],"equivalent":[78],"under":[79],"semantics.":[81]},"counts_by_year":[],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2026-05-05T00:00:00"}