{"id":"https://openalex.org/W1542080972","doi":"https://doi.org/10.1007/11430919_68","title":"Kernels over Relational Algebra Structures","display_name":"Kernels over Relational Algebra Structures","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W1542080972","doi":"https://doi.org/10.1007/11430919_68","mag":"1542080972"},"language":"en","primary_location":{"id":"doi:10.1007/11430919_68","is_oa":false,"landing_page_url":"https://doi.org/10.1007/11430919_68","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/A5080704583","display_name":"Adam Wo\u017anica","orcid":null},"institutions":[{"id":"https://openalex.org/I114457229","display_name":"University of Geneva","ror":"https://ror.org/01swzsf04","country_code":"CH","type":"education","lineage":["https://openalex.org/I114457229"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Adam Wo\u017anica","raw_affiliation_strings":["Computer Science Department, University of Geneva, Rue General Dufour 24, 1211, Geneva 4, Switzerland"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Geneva, Rue General Dufour 24, 1211, Geneva 4, Switzerland","institution_ids":["https://openalex.org/I114457229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084831490","display_name":"Alexandros Kalousis","orcid":"https://orcid.org/0000-0001-6282-0686"},"institutions":[{"id":"https://openalex.org/I114457229","display_name":"University of Geneva","ror":"https://ror.org/01swzsf04","country_code":"CH","type":"education","lineage":["https://openalex.org/I114457229"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Alexandros Kalousis","raw_affiliation_strings":["Computer Science Department, University of Geneva, Rue General Dufour 24, 1211, Geneva 4, Switzerland"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Geneva, Rue General Dufour 24, 1211, Geneva 4, Switzerland","institution_ids":["https://openalex.org/I114457229"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034196019","display_name":"M\u00e9lanie Hilario","orcid":null},"institutions":[{"id":"https://openalex.org/I114457229","display_name":"University of Geneva","ror":"https://ror.org/01swzsf04","country_code":"CH","type":"education","lineage":["https://openalex.org/I114457229"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Melanie Hilario","raw_affiliation_strings":["Computer Science Department, University of Geneva, Rue General Dufour 24, 1211, Geneva 4, Switzerland"],"affiliations":[{"raw_affiliation_string":"Computer Science Department, University of Geneva, Rue General Dufour 24, 1211, Geneva 4, Switzerland","institution_ids":["https://openalex.org/I114457229"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5080704583"],"corresponding_institution_ids":["https://openalex.org/I114457229"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":3.9522,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.94042838,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"588","last_page":"598"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11309","display_name":"Music and Audio Processing","score":0.9839000105857849,"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"}},"topics":[{"id":"https://openalex.org/T11309","display_name":"Music and Audio Processing","score":0.9839000105857849,"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/T10538","display_name":"Data Mining Algorithms and Applications","score":0.98089998960495,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T11550","display_name":"Text and Document Classification Technologies","score":0.9804999828338623,"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/relational-algebra","display_name":"Relational algebra","score":0.7485749125480652},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7396972179412842},{"id":"https://openalex.org/keywords/relational-calculus","display_name":"Relational calculus","score":0.7073624134063721},{"id":"https://openalex.org/keywords/statistical-relational-learning","display_name":"Statistical relational learning","score":0.6812757253646851},{"id":"https://openalex.org/keywords/codds-theorem","display_name":"Codd's theorem","score":0.6796051263809204},{"id":"https://openalex.org/keywords/relational-database","display_name":"Relational database","score":0.6772705912590027},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.5647110939025879},{"id":"https://openalex.org/keywords/relational-model","display_name":"Relational model","score":0.5540512800216675},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.5213404893875122},{"id":"https://openalex.org/keywords/conjunctive-query","display_name":"Conjunctive query","score":0.4986398220062256},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4294169843196869},{"id":"https://openalex.org/keywords/schema","display_name":"Schema (genetic algorithms)","score":0.4229007363319397},{"id":"https://openalex.org/keywords/relation-algebra","display_name":"Relation algebra","score":0.41664645075798035},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.3622550964355469},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22328639030456543},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.2151588797569275},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.17670530080795288},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.14184582233428955},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.14002647995948792},{"id":"https://openalex.org/keywords/algebra-representation","display_name":"Algebra representation","score":0.10283508896827698},{"id":"https://openalex.org/keywords/two-element-boolean-algebra","display_name":"Two-element Boolean algebra","score":0.07796376943588257}],"concepts":[{"id":"https://openalex.org/C95916125","wikidata":"https://www.wikidata.org/wiki/Q840540","display_name":"Relational algebra","level":3,"score":0.7485749125480652},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7396972179412842},{"id":"https://openalex.org/C99436015","wikidata":"https://www.wikidata.org/wiki/Q1722436","display_name":"Relational calculus","level":4,"score":0.7073624134063721},{"id":"https://openalex.org/C177877439","wikidata":"https://www.wikidata.org/wiki/Q7604413","display_name":"Statistical relational learning","level":3,"score":0.6812757253646851},{"id":"https://openalex.org/C16739119","wikidata":"https://www.wikidata.org/wiki/Q5139948","display_name":"Codd's theorem","level":5,"score":0.6796051263809204},{"id":"https://openalex.org/C5655090","wikidata":"https://www.wikidata.org/wiki/Q192588","display_name":"Relational database","level":2,"score":0.6772705912590027},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.5647110939025879},{"id":"https://openalex.org/C40207289","wikidata":"https://www.wikidata.org/wiki/Q755662","display_name":"Relational model","level":3,"score":0.5540512800216675},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.5213404893875122},{"id":"https://openalex.org/C65647387","wikidata":"https://www.wikidata.org/wiki/Q1781706","display_name":"Conjunctive query","level":3,"score":0.4986398220062256},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4294169843196869},{"id":"https://openalex.org/C52146309","wikidata":"https://www.wikidata.org/wiki/Q7431116","display_name":"Schema (genetic algorithms)","level":2,"score":0.4229007363319397},{"id":"https://openalex.org/C10282146","wikidata":"https://www.wikidata.org/wiki/Q5965969","display_name":"Relation algebra","level":5,"score":0.41664645075798035},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.3622550964355469},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22328639030456543},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.2151588797569275},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.17670530080795288},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.14184582233428955},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.14002647995948792},{"id":"https://openalex.org/C14394260","wikidata":"https://www.wikidata.org/wiki/Q4723980","display_name":"Algebra representation","level":3,"score":0.10283508896827698},{"id":"https://openalex.org/C207764348","wikidata":"https://www.wikidata.org/wiki/Q7858706","display_name":"Two-element Boolean algebra","level":4,"score":0.07796376943588257},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/11430919_68","is_oa":false,"landing_page_url":"https://doi.org/10.1007/11430919_68","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1484732323","https://openalex.org/W1486401986","https://openalex.org/W1510073064","https://openalex.org/W1535599202","https://openalex.org/W1560724230","https://openalex.org/W1569346819","https://openalex.org/W1576213419","https://openalex.org/W1972000593","https://openalex.org/W1985729415","https://openalex.org/W2042313354","https://openalex.org/W2094002366","https://openalex.org/W2110119381","https://openalex.org/W2115412287","https://openalex.org/W2121906195","https://openalex.org/W2127713198","https://openalex.org/W2131479089","https://openalex.org/W2500554657","https://openalex.org/W2999905431","https://openalex.org/W3144619878","https://openalex.org/W3149838063","https://openalex.org/W4206727053"],"related_works":["https://openalex.org/W2089781037","https://openalex.org/W2005835473","https://openalex.org/W3090944848","https://openalex.org/W1993764558","https://openalex.org/W2109171159","https://openalex.org/W4240624163","https://openalex.org/W2044215335","https://openalex.org/W2498029466","https://openalex.org/W2109221906","https://openalex.org/W1542080972"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}