{"id":"https://openalex.org/W2038572999","doi":"https://doi.org/10.1016/0306-4379(78)90022-4","title":"The well system: A multi-user database system based on binary relationships and graph-pattern-matching","display_name":"The well system: A multi-user database system based on binary relationships and graph-pattern-matching","publication_year":1978,"publication_date":"1978-01-01","ids":{"openalex":"https://openalex.org/W2038572999","doi":"https://doi.org/10.1016/0306-4379(78)90022-4","mag":"2038572999"},"language":"en","primary_location":{"id":"doi:10.1016/0306-4379(78)90022-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0306-4379(78)90022-4","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/A5005628566","display_name":"Rudolf M\u00fcnz","orcid":null},"institutions":[{"id":"https://openalex.org/I4577782","display_name":"Technische Universit\u00e4t Berlin","ror":"https://ror.org/03v4gjf40","country_code":"DE","type":"education","lineage":["https://openalex.org/I4577782"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Rudolf Munz","raw_affiliation_strings":["Technical University of Berlin, Berlin, West Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technical University of Berlin, Berlin, West Germany","institution_ids":["https://openalex.org/I4577782"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5005628566"],"corresponding_institution_ids":["https://openalex.org/I4577782"],"apc_list":{"value":2840,"currency":"USD","value_usd":2840},"apc_paid":null,"fwci":1.3801,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.83915171,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":"2","first_page":"99","last_page":"115"},"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/T10679","display_name":"Service-Oriented Architecture and Web Services","score":0.9973999857902527,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9972000122070312,"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/computer-science","display_name":"Computer science","score":0.8268818855285645},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.4979531764984131},{"id":"https://openalex.org/keywords/graph-database","display_name":"Graph database","score":0.4674832224845886},{"id":"https://openalex.org/keywords/graph","display_name":"Graph","score":0.45986342430114746},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.42884016036987305},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.38139641284942627},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.2472509741783142},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.06931418180465698},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.056756675243377686}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8268818855285645},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.4979531764984131},{"id":"https://openalex.org/C176225458","wikidata":"https://www.wikidata.org/wiki/Q595971","display_name":"Graph database","level":3,"score":0.4674832224845886},{"id":"https://openalex.org/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"score":0.45986342430114746},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.42884016036987305},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.38139641284942627},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.2472509741783142},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.06931418180465698},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.056756675243377686},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0306-4379(78)90022-4","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0306-4379(78)90022-4","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W127981436","https://openalex.org/W591318403","https://openalex.org/W1981523076","https://openalex.org/W2029098176","https://openalex.org/W2086128781","https://openalex.org/W2104880663","https://openalex.org/W2138709157","https://openalex.org/W2232207765","https://openalex.org/W2313469048","https://openalex.org/W2912299646","https://openalex.org/W6605276022","https://openalex.org/W6646006988","https://openalex.org/W6689392195","https://openalex.org/W6758559902","https://openalex.org/W6811173886"],"related_works":["https://openalex.org/W1972035260","https://openalex.org/W2003932708","https://openalex.org/W2284877871","https://openalex.org/W2794488505","https://openalex.org/W4301594054","https://openalex.org/W2138102289","https://openalex.org/W1967424056","https://openalex.org/W3115442681","https://openalex.org/W2391000461","https://openalex.org/W4386112722"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-23T08:03:31.855105","created_date":"2025-10-10T00:00:00"}
