{"id":"https://openalex.org/W2023389410","doi":"https://doi.org/10.1007/bf03037371","title":"Functional queries in Datalog","display_name":"Functional queries in Datalog","publication_year":2002,"publication_date":"2002-12-01","ids":{"openalex":"https://openalex.org/W2023389410","doi":"https://doi.org/10.1007/bf03037371","mag":"2023389410"},"language":"en","primary_location":{"id":"doi:10.1007/bf03037371","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf03037371","pdf_url":null,"source":{"id":"https://openalex.org/S165364243","display_name":"New Generation Computing","issn_l":"0288-3635","issn":["0288-3635","1882-7055"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New Generation Computing","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/A5008556153","display_name":"Stefano Basta","orcid":"https://orcid.org/0000-0002-9852-988X"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Stefano Basta","raw_affiliation_strings":["ISI-CNR, via P.Bucci, 87036, Rende, Italy","ISI-CNR, via P.Bucci, Rende 87036 ITALY#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ISI-CNR, via P.Bucci, 87036, Rende, Italy","institution_ids":[]},{"raw_affiliation_string":"ISI-CNR, via P.Bucci, Rende 87036 ITALY#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002811447","display_name":"Sergio Flesca","orcid":"https://orcid.org/0000-0002-4164-940X"},"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":false,"raw_author_name":"Sergio Flesca","raw_affiliation_strings":["DEIS-Universit\u00e0 della Calabria, via P.Bucci, 87036, Rende, Italy","DEIS - Universit\u00e0 della Calabria, via P.Bucci, Rende 87036 ITALY"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DEIS-Universit\u00e0 della Calabria, via P.Bucci, 87036, Rende, Italy","institution_ids":["https://openalex.org/I45204951"]},{"raw_affiliation_string":"DEIS - Universit\u00e0 della Calabria, via P.Bucci, Rende 87036 ITALY","institution_ids":["https://openalex.org/I45204951"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031964906","display_name":"Sergio Greco","orcid":"https://orcid.org/0000-0003-2966-3484"},"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":false,"raw_author_name":"Sergio Greco","raw_affiliation_strings":["DEIS-Universit\u00e0 della Calabria, via P.Bucci, 87036, Rende, Italy","DEIS - Universit\u00e0 della Calabria, via P.Bucci, Rende 87036 ITALY"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DEIS-Universit\u00e0 della Calabria, via P.Bucci, 87036, Rende, Italy","institution_ids":["https://openalex.org/I45204951"]},{"raw_affiliation_string":"DEIS - Universit\u00e0 della Calabria, via P.Bucci, Rende 87036 ITALY","institution_ids":["https://openalex.org/I45204951"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5008556153"],"corresponding_institution_ids":[],"apc_list":{"value":3090,"currency":"USD","value_usd":3090},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.10178596,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"20","issue":"4","first_page":"339","last_page":"371"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11010","display_name":"Logic, Reasoning, and Knowledge","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/T11010","display_name":"Logic, Reasoning, and Knowledge","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/T10215","display_name":"Semantic Web and Ontologies","score":0.9984999895095825,"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":0.9973999857902527,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/datalog","display_name":"Datalog","score":0.9299790859222412},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8722612261772156},{"id":"https://openalex.org/keywords/negation","display_name":"Negation","score":0.8036206960678101},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.6762698292732239},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.6224604249000549},{"id":"https://openalex.org/keywords/expressive-power","display_name":"Expressive power","score":0.567898690700531},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.5099207162857056},{"id":"https://openalex.org/keywords/functional-programming","display_name":"Functional programming","score":0.4881456792354584},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.48741796612739563},{"id":"https://openalex.org/keywords/rewriting","display_name":"Rewriting","score":0.4717586636543274},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.4692663550376892},{"id":"https://openalex.org/keywords/p","display_name":"P","score":0.4264904856681824},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.26879557967185974},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.23675966262817383},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.21557030081748962},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.20989036560058594}],"concepts":[{"id":"https://openalex.org/C148230440","wikidata":"https://www.wikidata.org/wiki/Q1172264","display_name":"Datalog","level":2,"score":0.9299790859222412},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8722612261772156},{"id":"https://openalex.org/C2185349","wikidata":"https://www.wikidata.org/wiki/Q190558","display_name":"Negation","level":2,"score":0.8036206960678101},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.6762698292732239},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.6224604249000549},{"id":"https://openalex.org/C195818886","wikidata":"https://www.wikidata.org/wiki/Q5421724","display_name":"Expressive power","level":2,"score":0.567898690700531},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.5099207162857056},{"id":"https://openalex.org/C42383842","wikidata":"https://www.wikidata.org/wiki/Q193076","display_name":"Functional programming","level":2,"score":0.4881456792354584},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.48741796612739563},{"id":"https://openalex.org/C154690210","wikidata":"https://www.wikidata.org/wiki/Q1668499","display_name":"Rewriting","level":2,"score":0.4717586636543274},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.4692663550376892},{"id":"https://openalex.org/C134026603","wikidata":"https://www.wikidata.org/wiki/Q846354","display_name":"P","level":3,"score":0.4264904856681824},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.26879557967185974},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.23675966262817383},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.21557030081748962},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.20989036560058594}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf03037371","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf03037371","pdf_url":null,"source":{"id":"https://openalex.org/S165364243","display_name":"New Generation Computing","issn_l":"0288-3635","issn":["0288-3635","1882-7055"],"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":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New Generation Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7099999785423279,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":48,"referenced_works":["https://openalex.org/W31561947","https://openalex.org/W76793691","https://openalex.org/W194413726","https://openalex.org/W1481955269","https://openalex.org/W1494018217","https://openalex.org/W1506378440","https://openalex.org/W1541434994","https://openalex.org/W1547414429","https://openalex.org/W1563153437","https://openalex.org/W1569205066","https://openalex.org/W1579386619","https://openalex.org/W1582599909","https://openalex.org/W1672891595","https://openalex.org/W1802957672","https://openalex.org/W1882786502","https://openalex.org/W1968513265","https://openalex.org/W1970629906","https://openalex.org/W1973837021","https://openalex.org/W1984890936","https://openalex.org/W1988827098","https://openalex.org/W1989783863","https://openalex.org/W1992810975","https://openalex.org/W2003868063","https://openalex.org/W2022938902","https://openalex.org/W2030648384","https://openalex.org/W2042690606","https://openalex.org/W2043182143","https://openalex.org/W2052713897","https://openalex.org/W2061565124","https://openalex.org/W2063545044","https://openalex.org/W2073247139","https://openalex.org/W2084487286","https://openalex.org/W2085193523","https://openalex.org/W2100264125","https://openalex.org/W2111353076","https://openalex.org/W2125406856","https://openalex.org/W2128770734","https://openalex.org/W2161609549","https://openalex.org/W2162621793","https://openalex.org/W2171446564","https://openalex.org/W2611415697","https://openalex.org/W3105529609","https://openalex.org/W3127113455","https://openalex.org/W4206370914","https://openalex.org/W6632678276","https://openalex.org/W6637298476","https://openalex.org/W6786544524","https://openalex.org/W7061297332"],"related_works":["https://openalex.org/W2025242197","https://openalex.org/W4288363924","https://openalex.org/W2087528959","https://openalex.org/W2963589932","https://openalex.org/W2740681086","https://openalex.org/W3121709727","https://openalex.org/W4387885179","https://openalex.org/W4385714200","https://openalex.org/W2042690606","https://openalex.org/W2966447359"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}
