{"id":"https://openalex.org/W2060672420","doi":"https://doi.org/10.1016/0164-1212(95)00127-1","title":"SL-trees: An indexing structure for object-oriented data bases","display_name":"SL-trees: An indexing structure for object-oriented data bases","publication_year":1996,"publication_date":"1996-03-01","ids":{"openalex":"https://openalex.org/W2060672420","doi":"https://doi.org/10.1016/0164-1212(95)00127-1","mag":"2060672420"},"language":"en","primary_location":{"id":"doi:10.1016/0164-1212(95)00127-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0164-1212(95)00127-1","pdf_url":null,"source":{"id":"https://openalex.org/S37879656","display_name":"Journal of Systems and Software","issn_l":"0164-1212","issn":["0164-1212","1873-1228"],"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":"Journal of Systems and Software","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/A5033034811","display_name":"Daniel J. Buehrer","orcid":"https://orcid.org/0000-0002-3208-5390"},"institutions":[{"id":"https://openalex.org/I148099254","display_name":"National Chung Cheng University","ror":"https://ror.org/0028v3876","country_code":"TW","type":"education","lineage":["https://openalex.org/I148099254"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Daniel J. Buehrer","raw_affiliation_strings":["Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621 R.O.C","Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621, R.O.C"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621 R.O.C","institution_ids":["https://openalex.org/I148099254"]},{"raw_affiliation_string":"Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621, R.O.C","institution_ids":["https://openalex.org/I148099254"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110117043","display_name":"Yang-Wen Fan","orcid":null},"institutions":[{"id":"https://openalex.org/I148099254","display_name":"National Chung Cheng University","ror":"https://ror.org/0028v3876","country_code":"TW","type":"education","lineage":["https://openalex.org/I148099254"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yang-Wen Fan","raw_affiliation_strings":["Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621 R.O.C","Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621, R.O.C"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621 R.O.C","institution_ids":["https://openalex.org/I148099254"]},{"raw_affiliation_string":"Institute of Computer Science and Information Engineering, National Chung Cheng University, Chiayi, Taiwan 621, R.O.C","institution_ids":["https://openalex.org/I148099254"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3560,"currency":"USD","value_usd":3560},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.21069734,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"32","issue":"3","first_page":"237","last_page":"249"},"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":0.9993000030517578,"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/T10742","display_name":"Peer-to-Peer Network Technologies","score":0.9937999844551086,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/search-engine-indexing","display_name":"Search engine indexing","score":0.7543557286262512},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.703538715839386},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.61387038230896},{"id":"https://openalex.org/keywords/class-hierarchy","display_name":"Class hierarchy","score":0.5680791139602661},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.5544317960739136},{"id":"https://openalex.org/keywords/hierarchy","display_name":"Hierarchy","score":0.5369415283203125},{"id":"https://openalex.org/keywords/b-tree","display_name":"B-tree","score":0.5256030559539795},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.5205610394477844},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4950024485588074},{"id":"https://openalex.org/keywords/base","display_name":"Base (topology)","score":0.4916585087776184},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.4743971824645996},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.4734092652797699},{"id":"https://openalex.org/keywords/database-index","display_name":"Database index","score":0.4660212993621826},{"id":"https://openalex.org/keywords/tree-structure","display_name":"Tree structure","score":0.4283389449119568},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.37751108407974243},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.3343052268028259},{"id":"https://openalex.org/keywords/object-oriented-programming","display_name":"Object-oriented programming","score":0.3096810579299927},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27584409713745117},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.269335001707077},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.24501460790634155},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1745319664478302},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.14644286036491394}],"concepts":[{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.7543557286262512},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.703538715839386},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.61387038230896},{"id":"https://openalex.org/C2781289151","wikidata":"https://www.wikidata.org/wiki/Q2903989","display_name":"Class hierarchy","level":3,"score":0.5680791139602661},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5544317960739136},{"id":"https://openalex.org/C31170391","wikidata":"https://www.wikidata.org/wiki/Q188619","display_name":"Hierarchy","level":2,"score":0.5369415283203125},{"id":"https://openalex.org/C78669399","wikidata":"https://www.wikidata.org/wiki/Q677051","display_name":"B-tree","level":3,"score":0.5256030559539795},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.5205610394477844},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4950024485588074},{"id":"https://openalex.org/C42058472","wikidata":"https://www.wikidata.org/wiki/Q810214","display_name":"Base (topology)","level":2,"score":0.4916585087776184},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.4743971824645996},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.4734092652797699},{"id":"https://openalex.org/C59276292","wikidata":"https://www.wikidata.org/wiki/Q580427","display_name":"Database index","level":3,"score":0.4660212993621826},{"id":"https://openalex.org/C163797641","wikidata":"https://www.wikidata.org/wiki/Q2067937","display_name":"Tree structure","level":3,"score":0.4283389449119568},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.37751108407974243},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.3343052268028259},{"id":"https://openalex.org/C73752529","wikidata":"https://www.wikidata.org/wiki/Q79872","display_name":"Object-oriented programming","level":2,"score":0.3096810579299927},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27584409713745117},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.269335001707077},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.24501460790634155},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1745319664478302},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.14644286036491394},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C34447519","wikidata":"https://www.wikidata.org/wiki/Q179522","display_name":"Market economy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0164-1212(95)00127-1","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0164-1212(95)00127-1","pdf_url":null,"source":{"id":"https://openalex.org/S37879656","display_name":"Journal of Systems and Software","issn_l":"0164-1212","issn":["0164-1212","1873-1228"],"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":"Journal of Systems and Software","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":22,"referenced_works":["https://openalex.org/W91226517","https://openalex.org/W1491366049","https://openalex.org/W1512840853","https://openalex.org/W1569283575","https://openalex.org/W1669847836","https://openalex.org/W2013255770","https://openalex.org/W2070466630","https://openalex.org/W2123746648","https://openalex.org/W2131153442","https://openalex.org/W2133384222","https://openalex.org/W2143200531","https://openalex.org/W2153329411","https://openalex.org/W2161694911","https://openalex.org/W2215315499","https://openalex.org/W2295954435","https://openalex.org/W2752853835","https://openalex.org/W4230478348","https://openalex.org/W6629376590","https://openalex.org/W6637376925","https://openalex.org/W6678566145","https://openalex.org/W6682764952","https://openalex.org/W6688089508"],"related_works":["https://openalex.org/W2372453241","https://openalex.org/W2371387875","https://openalex.org/W4295096312","https://openalex.org/W2531660186","https://openalex.org/W1987871343","https://openalex.org/W2168653783","https://openalex.org/W2005258962","https://openalex.org/W1481260592","https://openalex.org/W154592988","https://openalex.org/W2189261042"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}