{"id":"https://openalex.org/W1480165592","doi":"https://doi.org/10.1007/3-540-44543-9_3","title":"Optimization of Nested SQL Queries by Tableau Equivalence","display_name":"Optimization of Nested SQL Queries by Tableau Equivalence","publication_year":2000,"publication_date":"2000-01-01","ids":{"openalex":"https://openalex.org/W1480165592","doi":"https://doi.org/10.1007/3-540-44543-9_3","mag":"1480165592"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-44543-9_3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-44543-9_3","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/A5091601834","display_name":"Vasilis Aggelis","orcid":null},"institutions":[{"id":"https://openalex.org/I174878644","display_name":"University of Patras","ror":"https://ror.org/017wvtq80","country_code":"GR","type":"education","lineage":["https://openalex.org/I174878644"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Vasilis Aggelis","raw_affiliation_strings":["University of Patras, Patras, Greece","University of Patras;"],"affiliations":[{"raw_affiliation_string":"University of Patras, Patras, Greece","institution_ids":["https://openalex.org/I174878644"]},{"raw_affiliation_string":"University of Patras;","institution_ids":["https://openalex.org/I174878644"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083516466","display_name":"Stavros S. Cosmadakis","orcid":"https://orcid.org/0000-0003-3345-9830"},"institutions":[{"id":"https://openalex.org/I174878644","display_name":"University of Patras","ror":"https://ror.org/017wvtq80","country_code":"GR","type":"education","lineage":["https://openalex.org/I174878644"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Stavros Cosmadakis","raw_affiliation_strings":["University of Patras, Patras, Greece","University of Patras;"],"affiliations":[{"raw_affiliation_string":"University of Patras, Patras, Greece","institution_ids":["https://openalex.org/I174878644"]},{"raw_affiliation_string":"University of Patras;","institution_ids":["https://openalex.org/I174878644"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5091601834"],"corresponding_institution_ids":["https://openalex.org/I174878644"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.06928747,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"31","last_page":"42"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9998999834060669,"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":0.9995999932289124,"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"}},{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9952999949455261,"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/computer-science","display_name":"Computer science","score":0.6720513701438904},{"id":"https://openalex.org/keywords/sql","display_name":"SQL","score":0.6360679268836975},{"id":"https://openalex.org/keywords/schema","display_name":"Schema (genetic algorithms)","score":0.5605071187019348},{"id":"https://openalex.org/keywords/query-optimization","display_name":"Query optimization","score":0.5176928043365479},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.46041589975357056},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.4477168619632721},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4349234402179718},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.4128348231315613},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.40729379653930664},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.29128772020339966},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27205854654312134},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.1733016073703766},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.17172077298164368},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.14702945947647095}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6720513701438904},{"id":"https://openalex.org/C510870499","wikidata":"https://www.wikidata.org/wiki/Q47607","display_name":"SQL","level":2,"score":0.6360679268836975},{"id":"https://openalex.org/C52146309","wikidata":"https://www.wikidata.org/wiki/Q7431116","display_name":"Schema (genetic algorithms)","level":2,"score":0.5605071187019348},{"id":"https://openalex.org/C157692150","wikidata":"https://www.wikidata.org/wiki/Q2919848","display_name":"Query optimization","level":2,"score":0.5176928043365479},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.46041589975357056},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.4477168619632721},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4349234402179718},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.4128348231315613},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.40729379653930664},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.29128772020339966},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27205854654312134},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.1733016073703766},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.17172077298164368},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.14702945947647095}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/3-540-44543-9_3","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-44543-9_3","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W52665958","https://openalex.org/W1539088309","https://openalex.org/W1554917839","https://openalex.org/W1558832481","https://openalex.org/W1825341804","https://openalex.org/W1846087057","https://openalex.org/W1967992696","https://openalex.org/W1971462347","https://openalex.org/W1975714036","https://openalex.org/W1979514837","https://openalex.org/W1986832527","https://openalex.org/W1987741967","https://openalex.org/W1988504473","https://openalex.org/W1992810975","https://openalex.org/W2005032394","https://openalex.org/W2008116177","https://openalex.org/W2025931485","https://openalex.org/W2048531653","https://openalex.org/W2055586952","https://openalex.org/W2062058882","https://openalex.org/W2075035440","https://openalex.org/W2087290458","https://openalex.org/W2102387332","https://openalex.org/W2122265344","https://openalex.org/W2122406210","https://openalex.org/W2134179408","https://openalex.org/W2134483537","https://openalex.org/W2144829796","https://openalex.org/W2153329411","https://openalex.org/W2163491591","https://openalex.org/W2165674271","https://openalex.org/W2166391486","https://openalex.org/W2167679350","https://openalex.org/W2171094216","https://openalex.org/W2295487311","https://openalex.org/W4212851315","https://openalex.org/W4248038814","https://openalex.org/W6632956007","https://openalex.org/W6633513001","https://openalex.org/W6639055759","https://openalex.org/W6675450584","https://openalex.org/W6677692869"],"related_works":["https://openalex.org/W2573939812","https://openalex.org/W2120098008","https://openalex.org/W2898886863","https://openalex.org/W1639806124","https://openalex.org/W2902831276","https://openalex.org/W2165259096","https://openalex.org/W2356335648","https://openalex.org/W2540682188","https://openalex.org/W2463253083","https://openalex.org/W3022423983"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
