{"id":"https://openalex.org/W2049233281","doi":"https://doi.org/10.1007/s00236-004-0101-y","title":"On the equivalence and rewriting of aggregate queries","display_name":"On the equivalence and rewriting of aggregate queries","publication_year":2004,"publication_date":"2004-06-07","ids":{"openalex":"https://openalex.org/W2049233281","doi":"https://doi.org/10.1007/s00236-004-0101-y","mag":"2049233281"},"language":"en","primary_location":{"id":"doi:10.1007/s00236-004-0101-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00236-004-0101-y","pdf_url":null,"source":{"id":"https://openalex.org/S84409463","display_name":"Acta Informatica","issn_l":"0001-5903","issn":["0001-5903","1432-0525"],"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":"Acta Informatica","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/A5109161464","display_name":"St\ufffdphane Grumbach","orcid":null},"institutions":[{"id":"https://openalex.org/I1326498283","display_name":"Institut national de recherche en sciences et technologies du num\u00e9rique","ror":"https://ror.org/02kvxyf05","country_code":"FR","type":"government","lineage":["https://openalex.org/I1326498283"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"St\ufffdphane Grumbach","raw_affiliation_strings":["INRIA, Rocquencourt, BP 105, 78153, Le Chesnay, France","INRIA, BP 105, Rocquencourt, 78153, Le Chesnay, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INRIA, Rocquencourt, BP 105, 78153, Le Chesnay, France","institution_ids":["https://openalex.org/I1326498283"]},{"raw_affiliation_string":"INRIA, BP 105, Rocquencourt, 78153, Le Chesnay, France","institution_ids":["https://openalex.org/I1326498283"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048566085","display_name":"Maurizio Rafanelli","orcid":"https://orcid.org/0000-0001-7679-6728"},"institutions":[{"id":"https://openalex.org/I4210162062","display_name":"Istituto di Analisi dei Sistemi ed Informatica Antonio Ruberti","ror":"https://ror.org/054ye0e45","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210155236","https://openalex.org/I4210162062"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Maurizio Rafanelli","raw_affiliation_strings":["CNR-IASI, viale Manzoni 30, 00185, Roma, Italy","CNR-IASI, BP 105, viale Manzoni 30, 00185, Roma, Italy#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNR-IASI, viale Manzoni 30, 00185, Roma, Italy","institution_ids":["https://openalex.org/I4210162062"]},{"raw_affiliation_string":"CNR-IASI, BP 105, viale Manzoni 30, 00185, Roma, Italy#TAB#","institution_ids":["https://openalex.org/I4210162062"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029243007","display_name":"Leonardo Tininini","orcid":null},"institutions":[{"id":"https://openalex.org/I4210162062","display_name":"Istituto di Analisi dei Sistemi ed Informatica Antonio Ruberti","ror":"https://ror.org/054ye0e45","country_code":"IT","type":"facility","lineage":["https://openalex.org/I4210155236","https://openalex.org/I4210162062"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Leonardo Tininini","raw_affiliation_strings":["CNR-IASI, viale Manzoni 30, 00185, Roma, Italy","CNR-IASI, BP 105, viale Manzoni 30, 00185, Roma, Italy#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNR-IASI, viale Manzoni 30, 00185, Roma, Italy","institution_ids":["https://openalex.org/I4210162062"]},{"raw_affiliation_string":"CNR-IASI, BP 105, viale Manzoni 30, 00185, Roma, Italy#TAB#","institution_ids":["https://openalex.org/I4210162062"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5109161464"],"corresponding_institution_ids":["https://openalex.org/I1326498283"],"apc_list":{"value":2990,"currency":"USD","value_usd":2990},"apc_paid":null,"fwci":1.3453,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.86728806,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"40","issue":"8","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9997000098228455,"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"}},"topics":[{"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":0.9995999932289124,"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":0.9958000183105469,"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/modulo","display_name":"Modulo","score":0.7441312074661255},{"id":"https://openalex.org/keywords/rewriting","display_name":"Rewriting","score":0.7301218509674072},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5845062732696533},{"id":"https://openalex.org/keywords/equivalence","display_name":"Equivalence (formal languages)","score":0.5800043344497681},{"id":"https://openalex.org/keywords/conjunctive-query","display_name":"Conjunctive query","score":0.5526517033576965},{"id":"https://openalex.org/keywords/p","display_name":"P","score":0.43677571415901184},{"id":"https://openalex.org/keywords/conjunctive-normal-form","display_name":"Conjunctive normal form","score":0.4186890125274658},{"id":"https://openalex.org/keywords/aggregate","display_name":"Aggregate (composite)","score":0.41164663434028625},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.386680006980896},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.33072805404663086},{"id":"https://openalex.org/keywords/time-complexity","display_name":"Time complexity","score":0.3181404173374176},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.1681184470653534},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.11451122164726257}],"concepts":[{"id":"https://openalex.org/C54732982","wikidata":"https://www.wikidata.org/wiki/Q1415345","display_name":"Modulo","level":2,"score":0.7441312074661255},{"id":"https://openalex.org/C154690210","wikidata":"https://www.wikidata.org/wiki/Q1668499","display_name":"Rewriting","level":2,"score":0.7301218509674072},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5845062732696533},{"id":"https://openalex.org/C2780069185","wikidata":"https://www.wikidata.org/wiki/Q7977945","display_name":"Equivalence (formal languages)","level":2,"score":0.5800043344497681},{"id":"https://openalex.org/C65647387","wikidata":"https://www.wikidata.org/wiki/Q1781706","display_name":"Conjunctive query","level":3,"score":0.5526517033576965},{"id":"https://openalex.org/C134026603","wikidata":"https://www.wikidata.org/wiki/Q846354","display_name":"P","level":3,"score":0.43677571415901184},{"id":"https://openalex.org/C16221470","wikidata":"https://www.wikidata.org/wiki/Q846564","display_name":"Conjunctive normal form","level":2,"score":0.4186890125274658},{"id":"https://openalex.org/C4679612","wikidata":"https://www.wikidata.org/wiki/Q866298","display_name":"Aggregate (composite)","level":2,"score":0.41164663434028625},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.386680006980896},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.33072805404663086},{"id":"https://openalex.org/C311688","wikidata":"https://www.wikidata.org/wiki/Q2393193","display_name":"Time complexity","level":2,"score":0.3181404173374176},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.1681184470653534},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.11451122164726257},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00236-004-0101-y","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00236-004-0101-y","pdf_url":null,"source":{"id":"https://openalex.org/S84409463","display_name":"Acta Informatica","issn_l":"0001-5903","issn":["0001-5903","1432-0525"],"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":"Acta Informatica","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":66,"referenced_works":["https://openalex.org/W187851124","https://openalex.org/W1485145428","https://openalex.org/W1485956171","https://openalex.org/W1488870204","https://openalex.org/W1491945093","https://openalex.org/W1507033902","https://openalex.org/W1520432709","https://openalex.org/W1525709688","https://openalex.org/W1527733826","https://openalex.org/W1541672808","https://openalex.org/W1558832481","https://openalex.org/W1596887828","https://openalex.org/W1597941282","https://openalex.org/W1604794355","https://openalex.org/W1605549034","https://openalex.org/W1606507025","https://openalex.org/W1970607865","https://openalex.org/W1976078723","https://openalex.org/W1976392306","https://openalex.org/W1979514837","https://openalex.org/W1991813962","https://openalex.org/W1994840586","https://openalex.org/W1995742741","https://openalex.org/W2001255903","https://openalex.org/W2004405116","https://openalex.org/W2006367173","https://openalex.org/W2007093013","https://openalex.org/W2010522178","https://openalex.org/W2019016644","https://openalex.org/W2028864278","https://openalex.org/W2048531653","https://openalex.org/W2055586952","https://openalex.org/W2067372123","https://openalex.org/W2067705970","https://openalex.org/W2079590017","https://openalex.org/W2081348961","https://openalex.org/W2091243445","https://openalex.org/W2093467213","https://openalex.org/W2093480367","https://openalex.org/W2094548115","https://openalex.org/W2094806969","https://openalex.org/W2095263945","https://openalex.org/W2103201239","https://openalex.org/W2114883263","https://openalex.org/W2131722136","https://openalex.org/W2133978845","https://openalex.org/W2134217480","https://openalex.org/W2139922046","https://openalex.org/W2143401113","https://openalex.org/W2146581901","https://openalex.org/W2152191782","https://openalex.org/W2154884904","https://openalex.org/W2160099956","https://openalex.org/W2160712524","https://openalex.org/W2160770337","https://openalex.org/W2160983447","https://openalex.org/W2162288038","https://openalex.org/W2164049396","https://openalex.org/W2166512182","https://openalex.org/W2171492933","https://openalex.org/W2295944566","https://openalex.org/W2646887492","https://openalex.org/W2911521611","https://openalex.org/W2982904736","https://openalex.org/W3161976867","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W4312716460","https://openalex.org/W1607312090","https://openalex.org/W2052280100","https://openalex.org/W2102635071","https://openalex.org/W2469416269","https://openalex.org/W2388015596","https://openalex.org/W2261395231","https://openalex.org/W2258149899","https://openalex.org/W1956093061","https://openalex.org/W2282293257"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2012,"cited_by_count":2}],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}