{"id":"https://openalex.org/W1531723926","doi":"https://doi.org/10.1007/3-540-51803-7_33","title":"Abstract object types: A temporal perspective","display_name":"Abstract object types: A temporal perspective","publication_year":1989,"publication_date":"1989-01-01","ids":{"openalex":"https://openalex.org/W1531723926","doi":"https://doi.org/10.1007/3-540-51803-7_33","mag":"1531723926"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-51803-7_33","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-51803-7_33","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"type":"conference-abstract","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/A5105822466","display_name":"Am\u0131\u0301lcar Sernadas","orcid":"https://orcid.org/0000-0001-7895-8436"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]},{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"A. Sernadas","raw_affiliation_strings":["Dep. Matem\u00e1tica, IST, 1096, Lisboa Codex, Portugal","Dep. Matem\u00e1tica, IST, Lisboa Codex, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. Matem\u00e1tica, IST, 1096, Lisboa Codex, Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"Dep. Matem\u00e1tica, IST, Lisboa Codex, Portugal","institution_ids":["https://openalex.org/I141596103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113508420","display_name":"J.L. Fiadeiro","orcid":null},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]},{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"J. Fiadeiro","raw_affiliation_strings":["Dep. Matem\u00e1tica, IST, 1096, Lisboa Codex, Portugal","Dep. Matem\u00e1tica, IST, Lisboa Codex, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. Matem\u00e1tica, IST, 1096, Lisboa Codex, Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"Dep. Matem\u00e1tica, IST, Lisboa Codex, Portugal","institution_ids":["https://openalex.org/I141596103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020274709","display_name":"Cristina Sernadas","orcid":"https://orcid.org/0000-0002-5510-3512"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]},{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"C. Sernadas","raw_affiliation_strings":["Dep. Matem\u00e1tica, IST, 1096, Lisboa Codex, Portugal","Dep. Matem\u00e1tica, IST, Lisboa Codex, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. Matem\u00e1tica, IST, 1096, Lisboa Codex, Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"Dep. Matem\u00e1tica, IST, Lisboa Codex, Portugal","institution_ids":["https://openalex.org/I141596103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108787616","display_name":"Hans-Dieter Ehrich","orcid":null},"institutions":[{"id":"https://openalex.org/I94509681","display_name":"Technische Universit\u00e4t Braunschweig","ror":"https://ror.org/010nsgg66","country_code":"DE","type":"education","lineage":["https://openalex.org/I94509681"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"H.-D. Ehrich","raw_affiliation_strings":["Inst. Informatik, TUB, PF 3329, 3300, Braunschweig, FRG","Inst. Informatik, TUB"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Inst. Informatik, TUB, PF 3329, 3300, Braunschweig, FRG","institution_ids":["https://openalex.org/I94509681"]},{"raw_affiliation_string":"Inst. Informatik, TUB","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":40,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"324","last_page":"350"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9991999864578247,"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"}},"topics":[{"id":"https://openalex.org/T10126","display_name":"Logic, programming, and type systems","score":0.9991999864578247,"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"}},{"id":"https://openalex.org/T11596","display_name":"Constraint Satisfaction and Optimization","score":0.9955999851226807,"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/T11010","display_name":"Logic, Reasoning, and Knowledge","score":0.9955000281333923,"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":0.8339136242866516},{"id":"https://openalex.org/keywords/liveness","display_name":"Liveness","score":0.7471622228622437},{"id":"https://openalex.org/keywords/formalism","display_name":"Formalism (music)","score":0.6472980380058289},{"id":"https://openalex.org/keywords/abstract-data-type","display_name":"Abstract data type","score":0.5894228219985962},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4545055031776428},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.45323610305786133},{"id":"https://openalex.org/keywords/perspective","display_name":"Perspective (graphical)","score":0.4134332239627838},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3198676109313965}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8339136242866516},{"id":"https://openalex.org/C15569618","wikidata":"https://www.wikidata.org/wiki/Q3561421","display_name":"Liveness","level":2,"score":0.7471622228622437},{"id":"https://openalex.org/C73301696","wikidata":"https://www.wikidata.org/wiki/Q5469984","display_name":"Formalism (music)","level":3,"score":0.6472980380058289},{"id":"https://openalex.org/C175971053","wikidata":"https://www.wikidata.org/wiki/Q827335","display_name":"Abstract data type","level":2,"score":0.5894228219985962},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4545055031776428},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.45323610305786133},{"id":"https://openalex.org/C12713177","wikidata":"https://www.wikidata.org/wiki/Q1900281","display_name":"Perspective (graphical)","level":2,"score":0.4134332239627838},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3198676109313965},{"id":"https://openalex.org/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0},{"id":"https://openalex.org/C558565934","wikidata":"https://www.wikidata.org/wiki/Q2743","display_name":"Musical","level":2,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1007/3-540-51803-7_33","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-51803-7_33","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},{"id":"pmh:oai:discovery.dundee.ac.uk:openaire_cris_publications/04867c83-1b1f-4508-a5be-7c989e98f6db","is_oa":false,"landing_page_url":"https://discovery.dundee.ac.uk/en/publications/04867c83-1b1f-4508-a5be-7c989e98f6db","pdf_url":null,"source":{"id":"https://openalex.org/S4306400523","display_name":"Discovery Research Portal (University of Dundee)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I177639307","host_organization_name":"University of Dundee","host_organization_lineage":["https://openalex.org/I177639307"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:discovery.dundee.ac.uk:publications/04867c83-1b1f-4508-a5be-7c989e98f6db","is_oa":false,"landing_page_url":"http://www.scopus.com/inward/record.url?scp=85032196421&partnerID=8YFLogxK","pdf_url":null,"source":{"id":"https://openalex.org/S4306400523","display_name":"Discovery Research Portal (University of Dundee)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I177639307","host_organization_name":"University of Dundee","host_organization_lineage":["https://openalex.org/I177639307"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W99326477","https://openalex.org/W119570465","https://openalex.org/W122164068","https://openalex.org/W1481262989","https://openalex.org/W1485522244","https://openalex.org/W1551791208","https://openalex.org/W1603788080","https://openalex.org/W1969368990","https://openalex.org/W1974304857","https://openalex.org/W2023808162","https://openalex.org/W2065817972","https://openalex.org/W2180713429","https://openalex.org/W3023369148","https://openalex.org/W3144368627","https://openalex.org/W3144889436","https://openalex.org/W4300128858","https://openalex.org/W6604987431","https://openalex.org/W6631934617"],"related_works":["https://openalex.org/W4244890543","https://openalex.org/W284220851","https://openalex.org/W2043468299","https://openalex.org/W1578809901","https://openalex.org/W2006410711","https://openalex.org/W1548358088","https://openalex.org/W2025566524","https://openalex.org/W2185600068","https://openalex.org/W1535598423","https://openalex.org/W2121645155"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}
