{"id":"https://openalex.org/W2150678692","doi":"https://doi.org/10.1016/s0306-4379(98)00003-9","title":"Definition and analysis of index organizations for object-oriented database systems","display_name":"Definition and analysis of index organizations for object-oriented database systems","publication_year":1998,"publication_date":"1998-04-01","ids":{"openalex":"https://openalex.org/W2150678692","doi":"https://doi.org/10.1016/s0306-4379(98)00003-9","mag":"2150678692"},"language":"en","primary_location":{"id":"doi:10.1016/s0306-4379(98)00003-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0306-4379(98)00003-9","pdf_url":null,"source":{"id":"https://openalex.org/S193006928","display_name":"Information Systems","issn_l":"0306-4379","issn":["0306-4379","1873-6076"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Systems","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/A5061694501","display_name":"Elisa Bertino","orcid":"https://orcid.org/0000-0002-4029-7051"},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Elisa Bertino","raw_affiliation_strings":["Dipartimento di Scienze dell'Informazione, University of Milano, Milano, Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Scienze dell'Informazione, University of Milano, Milano, Italy","institution_ids":["https://openalex.org/I189158943"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024551850","display_name":"Barbara Catania","orcid":"https://orcid.org/0000-0002-6443-169X"},"institutions":[{"id":"https://openalex.org/I189158943","display_name":"University of Milan","ror":"https://ror.org/00wjc7c48","country_code":"IT","type":"education","lineage":["https://openalex.org/I189158943"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Barbara Catania","raw_affiliation_strings":["Dipartimento di Scienze dell'Informazione, University of Milano, Milano, Italy"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Scienze dell'Informazione, University of Milano, Milano, Italy","institution_ids":["https://openalex.org/I189158943"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5056071377","display_name":"Luca Maria Chiesa","orcid":"https://orcid.org/0000-0003-2241-8128"},"institutions":[{"id":"https://openalex.org/I4210107493","display_name":"Sirti (Italy)","ror":"https://ror.org/013fdsd98","country_code":"IT","type":"company","lineage":["https://openalex.org/I4210107493"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Luca Chiesa","raw_affiliation_strings":["SIRTI, Via Galileo 5, Milano, Italy"],"affiliations":[{"raw_affiliation_string":"SIRTI, Via Galileo 5, Milano, Italy","institution_ids":["https://openalex.org/I4210107493"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5061694501"],"corresponding_institution_ids":["https://openalex.org/I189158943"],"apc_list":{"value":2970,"currency":"USD","value_usd":2970},"apc_paid":null,"fwci":2.1179,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.89459321,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"23","issue":"2","first_page":"65","last_page":"108"},"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":0.9988999962806702,"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":0.9818000197410583,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8356152176856995},{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.8050493001937866},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.6519019603729248},{"id":"https://openalex.org/keywords/index","display_name":"Index (typography)","score":0.646313488483429},{"id":"https://openalex.org/keywords/inheritance","display_name":"Inheritance (genetic algorithm)","score":0.616959273815155},{"id":"https://openalex.org/keywords/null","display_name":"Null (SQL)","score":0.5280975699424744},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.5197224617004395},{"id":"https://openalex.org/keywords/inverted-index","display_name":"Inverted index","score":0.45350906252861023},{"id":"https://openalex.org/keywords/path","display_name":"Path (computing)","score":0.4471912980079651},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.44160693883895874},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.42432230710983276},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.4186535179615021},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3352758288383484},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.15970379114151},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.13328877091407776}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8356152176856995},{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.8050493001937866},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.6519019603729248},{"id":"https://openalex.org/C2777382242","wikidata":"https://www.wikidata.org/wiki/Q6017816","display_name":"Index (typography)","level":2,"score":0.646313488483429},{"id":"https://openalex.org/C2780902518","wikidata":"https://www.wikidata.org/wiki/Q6033780","display_name":"Inheritance (genetic algorithm)","level":3,"score":0.616959273815155},{"id":"https://openalex.org/C203763787","wikidata":"https://www.wikidata.org/wiki/Q371029","display_name":"Null (SQL)","level":2,"score":0.5280975699424744},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.5197224617004395},{"id":"https://openalex.org/C130590232","wikidata":"https://www.wikidata.org/wiki/Q1671754","display_name":"Inverted index","level":3,"score":0.45350906252861023},{"id":"https://openalex.org/C2777735758","wikidata":"https://www.wikidata.org/wiki/Q817765","display_name":"Path (computing)","level":2,"score":0.4471912980079651},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.44160693883895874},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.42432230710983276},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.4186535179615021},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3352758288383484},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.15970379114151},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.13328877091407776},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/s0306-4379(98)00003-9","is_oa":false,"landing_page_url":"https://doi.org/10.1016/s0306-4379(98)00003-9","pdf_url":null,"source":{"id":"https://openalex.org/S193006928","display_name":"Information Systems","issn_l":"0306-4379","issn":["0306-4379","1873-6076"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Information Systems","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.45.7202","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.45.7202","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ftp://ftp.disi.unige.it/pub/person/CataniaB/is.ps.gz","raw_type":"text"},{"id":"pmh:oai:iris.unige.it:11567/189691","is_oa":false,"landing_page_url":"http://hdl.handle.net/11567/189691","pdf_url":null,"source":{"id":"https://openalex.org/S4377196291","display_name":"CINECA IRIS Institutial Research Information System (University of Genoa)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I83816512","host_organization_name":"University of Genoa","host_organization_lineage":["https://openalex.org/I83816512"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W1485242396","https://openalex.org/W1491366049","https://openalex.org/W1530044031","https://openalex.org/W1560588670","https://openalex.org/W1876353827","https://openalex.org/W1977685051","https://openalex.org/W1977937331","https://openalex.org/W1979811973","https://openalex.org/W1996102993","https://openalex.org/W2007013915","https://openalex.org/W2013255770","https://openalex.org/W2070466630","https://openalex.org/W2105684511","https://openalex.org/W2131153442","https://openalex.org/W2155166680","https://openalex.org/W2295596515","https://openalex.org/W2901608006","https://openalex.org/W6628911467","https://openalex.org/W6629376590","https://openalex.org/W6631711340","https://openalex.org/W6633707265","https://openalex.org/W6644700591","https://openalex.org/W6667835433"],"related_works":["https://openalex.org/W2058987221","https://openalex.org/W2990085810","https://openalex.org/W2145657320","https://openalex.org/W2102493899","https://openalex.org/W2388346754","https://openalex.org/W4282568653","https://openalex.org/W2187610212","https://openalex.org/W2399928914","https://openalex.org/W2123678380","https://openalex.org/W180545237"],"abstract_inverted_index":null,"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}