{"id":"https://openalex.org/W2003805460","doi":"https://doi.org/10.1016/0169-023x(94)90028-0","title":"Clustering techniques in object bases: A survey","display_name":"Clustering techniques in object bases: A survey","publication_year":1994,"publication_date":"1994-05-01","ids":{"openalex":"https://openalex.org/W2003805460","doi":"https://doi.org/10.1016/0169-023x(94)90028-0","mag":"2003805460"},"language":"en","primary_location":{"id":"doi:10.1016/0169-023x(94)90028-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0169-023x(94)90028-0","pdf_url":null,"source":{"id":"https://openalex.org/S136993123","display_name":"Data & Knowledge Engineering","issn_l":"0169-023X","issn":["0169-023X","1872-6933"],"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":"Data &amp; Knowledge Engineering","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, Universit\u00e1 di Milano, Via Comelico 39, 20135 Milano, Italy","Dipartimento di Scienze dell'Informazione, Universita' di Milano, Via Comelico 39, 20135 Milano, Italy#TAB#"],"affiliations":[{"raw_affiliation_string":"Dipartimento di Scienze dell'Informazione, Universit\u00e1 di Milano, Via Comelico 39, 20135 Milano, Italy","institution_ids":["https://openalex.org/I189158943"]},{"raw_affiliation_string":"Dipartimento di Scienze dell'Informazione, Universita' di Milano, Via Comelico 39, 20135 Milano, Italy#TAB#","institution_ids":["https://openalex.org/I189158943"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103558937","display_name":"Amani A. Saad","orcid":null},"institutions":[{"id":"https://openalex.org/I84524832","display_name":"Alexandria University","ror":"https://ror.org/00mzz1w90","country_code":"EG","type":"education","lineage":["https://openalex.org/I84524832"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"Amani A. Saad","raw_affiliation_strings":["Department of Computer Science, University of Alexandria, Alexandria 21544, Egypt"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Alexandria, Alexandria 21544, Egypt","institution_ids":["https://openalex.org/I84524832"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022527760","display_name":"Mohamed A. Ismail","orcid":"https://orcid.org/0000-0001-8674-3232"},"institutions":[{"id":"https://openalex.org/I84524832","display_name":"Alexandria University","ror":"https://ror.org/00mzz1w90","country_code":"EG","type":"education","lineage":["https://openalex.org/I84524832"]}],"countries":["EG"],"is_corresponding":false,"raw_author_name":"M.A. Ismail","raw_affiliation_strings":["Department of Computer Science, University of Alexandria, Alexandria 21544, Egypt"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Alexandria, Alexandria 21544, Egypt","institution_ids":["https://openalex.org/I84524832"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5061694501"],"corresponding_institution_ids":["https://openalex.org/I189158943"],"apc_list":{"value":2590,"currency":"USD","value_usd":2590},"apc_paid":null,"fwci":1.0771,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.79536259,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"12","issue":"3","first_page":"255","last_page":"275"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9994000196456909,"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/T12016","display_name":"Web Data Mining and Analysis","score":0.9976999759674072,"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/cluster-analysis","display_name":"Cluster analysis","score":0.8421684503555298},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7041783928871155},{"id":"https://openalex.org/keywords/cornerstone","display_name":"Cornerstone","score":0.5807345509529114},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.5804166197776794},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.550263524055481},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.5410453677177429},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5032820105552673},{"id":"https://openalex.org/keywords/selection","display_name":"Selection (genetic algorithm)","score":0.5009860992431641},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.3380376696586609},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2492612600326538},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10519281029701233},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.09894359111785889}],"concepts":[{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.8421684503555298},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7041783928871155},{"id":"https://openalex.org/C2780616401","wikidata":"https://www.wikidata.org/wiki/Q1133673","display_name":"Cornerstone","level":2,"score":0.5807345509529114},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.5804166197776794},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.550263524055481},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.5410453677177429},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5032820105552673},{"id":"https://openalex.org/C81917197","wikidata":"https://www.wikidata.org/wiki/Q628760","display_name":"Selection (genetic algorithm)","level":2,"score":0.5009860992431641},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.3380376696586609},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2492612600326538},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10519281029701233},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.09894359111785889},{"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/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"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:10.1016/0169-023x(94)90028-0","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0169-023x(94)90028-0","pdf_url":null,"source":{"id":"https://openalex.org/S136993123","display_name":"Data & Knowledge Engineering","issn_l":"0169-023X","issn":["0169-023X","1872-6933"],"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":"Data &amp; Knowledge Engineering","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W204305381","https://openalex.org/W1498457092","https://openalex.org/W1526928853","https://openalex.org/W1568958955","https://openalex.org/W1939785016","https://openalex.org/W1967133810","https://openalex.org/W1967307074","https://openalex.org/W2009489547","https://openalex.org/W2025559026","https://openalex.org/W2028547729","https://openalex.org/W2030214371","https://openalex.org/W2036862988","https://openalex.org/W2075315426","https://openalex.org/W2078461299","https://openalex.org/W2082625705","https://openalex.org/W2089950969","https://openalex.org/W2115162501","https://openalex.org/W2120533455","https://openalex.org/W2131153442","https://openalex.org/W2143200531","https://openalex.org/W2144420390","https://openalex.org/W2144811294","https://openalex.org/W2145181146","https://openalex.org/W2159079733","https://openalex.org/W2164306675","https://openalex.org/W2178644170","https://openalex.org/W2336493585","https://openalex.org/W2761728519","https://openalex.org/W4237511811","https://openalex.org/W6608311823","https://openalex.org/W6629885825","https://openalex.org/W6631454333","https://openalex.org/W6634094477","https://openalex.org/W6640593190","https://openalex.org/W6656824775","https://openalex.org/W6659149857","https://openalex.org/W6669044493","https://openalex.org/W6670163341","https://openalex.org/W6673132062","https://openalex.org/W6680693624","https://openalex.org/W6681624485","https://openalex.org/W6683929397","https://openalex.org/W6744890699"],"related_works":["https://openalex.org/W2088111589","https://openalex.org/W2321083758","https://openalex.org/W4366496304","https://openalex.org/W4229004718","https://openalex.org/W2375906709","https://openalex.org/W2350669386","https://openalex.org/W2348913748","https://openalex.org/W2381386433","https://openalex.org/W2087093332","https://openalex.org/W2045980693"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
