{"id":"https://openalex.org/W2027218717","doi":"https://doi.org/10.1016/0306-4379(86)90012-8","title":"A database language for sets, lists and tables","display_name":"A database language for sets, lists and tables","publication_year":1986,"publication_date":"1986-01-01","ids":{"openalex":"https://openalex.org/W2027218717","doi":"https://doi.org/10.1016/0306-4379(86)90012-8","mag":"2027218717"},"language":"en","primary_location":{"id":"doi:10.1016/0306-4379(86)90012-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0306-4379(86)90012-8","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/A5033358790","display_name":"Peter Pistor","orcid":null},"institutions":[{"id":"https://openalex.org/I4210127657","display_name":"Heidelberg Engineering (Germany)","ror":"https://ror.org/03thsxs59","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210127657"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"P. Pistor","raw_affiliation_strings":["IBM Deutschland GmbH, Heidelberg Scientific Center, Tiergartenstrasse 15, D-6900 Heidelberg, Federal Republic of Germany"],"affiliations":[{"raw_affiliation_string":"IBM Deutschland GmbH, Heidelberg Scientific Center, Tiergartenstrasse 15, D-6900 Heidelberg, Federal Republic of Germany","institution_ids":["https://openalex.org/I4210127657"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021883963","display_name":"R. Traunmueller","orcid":null},"institutions":[{"id":"https://openalex.org/I121883995","display_name":"Johannes Kepler University of Linz","ror":"https://ror.org/052r2xn60","country_code":"AT","type":"education","lineage":["https://openalex.org/I121883995"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"R. Traunmueller","raw_affiliation_strings":["Johannes Kepler Universit\u00e4t, Institut f\u00fcr Imformatik, A-4040 Linz, Austria"],"affiliations":[{"raw_affiliation_string":"Johannes Kepler Universit\u00e4t, Institut f\u00fcr Imformatik, A-4040 Linz, Austria","institution_ids":["https://openalex.org/I121883995"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5033358790"],"corresponding_institution_ids":["https://openalex.org/I4210127657"],"apc_list":{"value":2970,"currency":"USD","value_usd":2970},"apc_paid":null,"fwci":18.0836,"has_fulltext":false,"cited_by_count":85,"citation_normalized_percentile":{"value":0.99356631,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":null,"biblio":{"volume":"11","issue":"4","first_page":"323","last_page":"336"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9994000196456909,"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":0.9994000196456909,"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/T11719","display_name":"Data Quality and Management","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11986","display_name":"Scientific Computing and Data Management","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/1802","display_name":"Information Systems and Management"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8807376027107239},{"id":"https://openalex.org/keywords/string","display_name":"String (physics)","score":0.753074586391449},{"id":"https://openalex.org/keywords/session","display_name":"Session (web analytics)","score":0.6190849542617798},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.5964184403419495},{"id":"https://openalex.org/keywords/implementation","display_name":"Implementation","score":0.5625825524330139},{"id":"https://openalex.org/keywords/database-design","display_name":"Database design","score":0.5388083457946777},{"id":"https://openalex.org/keywords/string-metric","display_name":"String metric","score":0.4946698844432831},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.48297038674354553},{"id":"https://openalex.org/keywords/query-language","display_name":"Query language","score":0.47167548537254333},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.45900604128837585},{"id":"https://openalex.org/keywords/database-schema","display_name":"Database schema","score":0.4363611936569214},{"id":"https://openalex.org/keywords/database-theory","display_name":"Database theory","score":0.426496297121048},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.4087807536125183},{"id":"https://openalex.org/keywords/data-structure","display_name":"Data structure","score":0.40654879808425903},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3413560688495636},{"id":"https://openalex.org/keywords/string-searching-algorithm","display_name":"String searching algorithm","score":0.2296300232410431},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.18243062496185303},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.15957236289978027}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8807376027107239},{"id":"https://openalex.org/C157486923","wikidata":"https://www.wikidata.org/wiki/Q1376436","display_name":"String (physics)","level":2,"score":0.753074586391449},{"id":"https://openalex.org/C2779182362","wikidata":"https://www.wikidata.org/wiki/Q17126187","display_name":"Session (web analytics)","level":2,"score":0.6190849542617798},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.5964184403419495},{"id":"https://openalex.org/C26713055","wikidata":"https://www.wikidata.org/wiki/Q245962","display_name":"Implementation","level":2,"score":0.5625825524330139},{"id":"https://openalex.org/C148840519","wikidata":"https://www.wikidata.org/wiki/Q1049878","display_name":"Database design","level":2,"score":0.5388083457946777},{"id":"https://openalex.org/C22820288","wikidata":"https://www.wikidata.org/wiki/Q9050568","display_name":"String metric","level":4,"score":0.4946698844432831},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.48297038674354553},{"id":"https://openalex.org/C192028432","wikidata":"https://www.wikidata.org/wiki/Q845739","display_name":"Query language","level":2,"score":0.47167548537254333},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.45900604128837585},{"id":"https://openalex.org/C30775581","wikidata":"https://www.wikidata.org/wiki/Q632285","display_name":"Database schema","level":3,"score":0.4363611936569214},{"id":"https://openalex.org/C12439846","wikidata":"https://www.wikidata.org/wiki/Q4809258","display_name":"Database theory","level":3,"score":0.426496297121048},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.4087807536125183},{"id":"https://openalex.org/C162319229","wikidata":"https://www.wikidata.org/wiki/Q175263","display_name":"Data structure","level":2,"score":0.40654879808425903},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3413560688495636},{"id":"https://openalex.org/C7757238","wikidata":"https://www.wikidata.org/wiki/Q374040","display_name":"String searching algorithm","level":3,"score":0.2296300232410431},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.18243062496185303},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.15957236289978027},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1016/0306-4379(86)90012-8","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0306-4379(86)90012-8","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:hdl:10068/123391","is_oa":false,"landing_page_url":"http://hdl.handle.net/10068/123391","pdf_url":null,"source":{"id":"https://openalex.org/S4377196900","display_name":"OpenGrey (Institut de l'Information Scientifique et Technique)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1295345811","host_organization_name":"Institut de l'Information Scientifique et Technique","host_organization_lineage":["https://openalex.org/I1295345811"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"I - Miscellaneous"},{"id":"pmh:oai:aleph.bib-bvb.de:BVB01-005012176","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W19867504","https://openalex.org/W146113061","https://openalex.org/W206938344","https://openalex.org/W1483864715","https://openalex.org/W1537933743","https://openalex.org/W1538721919","https://openalex.org/W1585197271","https://openalex.org/W1748956599","https://openalex.org/W1759890077","https://openalex.org/W1966294080","https://openalex.org/W1973284484","https://openalex.org/W1976963637","https://openalex.org/W2013012235","https://openalex.org/W2018928444","https://openalex.org/W2022843938","https://openalex.org/W2027218717","https://openalex.org/W2031030227","https://openalex.org/W2038271811","https://openalex.org/W2054062314","https://openalex.org/W2061490114","https://openalex.org/W2081522987","https://openalex.org/W2089042876","https://openalex.org/W2120949315","https://openalex.org/W2138709157","https://openalex.org/W2145343598","https://openalex.org/W2158655585","https://openalex.org/W2258347744","https://openalex.org/W2341767296","https://openalex.org/W2489748212","https://openalex.org/W2966001939","https://openalex.org/W4285042649","https://openalex.org/W6629042300","https://openalex.org/W6632181007","https://openalex.org/W6632271679","https://openalex.org/W6637828043","https://openalex.org/W6637855927","https://openalex.org/W6644669633","https://openalex.org/W6655137612","https://openalex.org/W6656151400","https://openalex.org/W6657227158","https://openalex.org/W6663899105","https://openalex.org/W6665759965","https://openalex.org/W6678499144","https://openalex.org/W6683078632","https://openalex.org/W6689392195","https://openalex.org/W6704056726","https://openalex.org/W7017350468"],"related_works":["https://openalex.org/W2105333333","https://openalex.org/W2153455914","https://openalex.org/W1502610062","https://openalex.org/W1501673548","https://openalex.org/W2027162968","https://openalex.org/W1512562726","https://openalex.org/W1533863182","https://openalex.org/W2607324466","https://openalex.org/W2140379930","https://openalex.org/W2188578519"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
