乐胖代购免代理版

{"id":"https://openalex.org/W2094506913","doi":"https://doi.org/10.1145/509252.509263","title":"Extended semantics for generalization hierarchies","display_name":"Extended semantics for generalization hierarchies","publication_year":1978,"publication_date":"1978-01-01","ids":{"openalex":"https://openalex.org/W2094506913","doi":"https://doi.org/10.1145/509252.509263","mag":"2094506913"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1145/509252.509263","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"proceedings-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/A5054219322","display_name":"Ronald M. Lee","orcid":null},"institutions":[],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ronald M. Lee","raw_affiliation_strings":["UNIVERSITY OF PENNSYLVANIA PHILADELPHIA, PENNSYLVANIA"],"affiliations":[{"raw_affiliation_string":"UNIVERSITY OF PENNSYLVANIA PHILADELPHIA, PENNSYLVANIA","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071285558","display_name":"Rob Gerritsen","orcid":null},"institutions":[],"countries":["US"],"is_corresponding":false,"raw_author_name":"Rob Gerritsen","raw_affiliation_strings":["UNIVERSITY OF PENNSYLVANIA PHILADELPHIA, PENNSYLVANIA"],"affiliations":[{"raw_affiliation_string":"UNIVERSITY OF PENNSYLVANIA PHILADELPHIA, PENNSYLVANIA","institution_ids":[]}]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.736,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":27,"citation_normalized_percentile":{"value":0.844444,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":91},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9986,"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":0.9986,"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/T10215","display_name":"Semantic Web and Ontologies","score":0.9972,"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/T11106","display_name":"Data Management and Algorithms","score":0.9934,"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"}}],"keywords":[],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.70911807},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.6727238},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.647618},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.4790384},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.38819122},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.34311366},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.33344555},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1461967},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1145/509252.509263","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":9,"referenced_works":["https://openalex.org/W2035032881","https://openalex.org/W2036589402","https://openalex.org/W2039601877","https://openalex.org/W2041870046","https://openalex.org/W2052570934","https://openalex.org/W2062320451","https://openalex.org/W2165467455","https://openalex.org/W2232207765","https://openalex.org/W2395103559"],"related_works":["https://openalex.org/W4245713008","https://openalex.org/W4243252198","https://openalex.org/W4235530921","https://openalex.org/W3162240892","https://openalex.org/W3137189469","https://openalex.org/W2382501300","https://openalex.org/W2183436065","https://openalex.org/W2118300983","https://openalex.org/W2112962394","https://openalex.org/W1587224678"],"abstract_inverted_index":{"This":[0],"paper":[1],"examines":[2],"the":[3,16],"notion":[4],"of":[5,18,21,39],"a":[6,19,24,27,33,40,43,47],"generalization":[7],"abstraction":[8],"proposed":[9],"by":[10],"Smith":[11,13],"and":[12,14,46],"considers":[15],"properties":[17],"collection":[20],"generalizations":[22],"as":[23],"unit":[25],"called":[26],"'generalization":[28],"hierarchy'.":[29],"Presented":[30],"here":[31],"is":[32],"more":[34],"detailed":[35],"representation":[36],"which":[37],"consists":[38],"hybrid":[41],"between":[42],"(graphical)":[44],"network":[45],"predicate":[48],"calculus":[49],"formalism.":[50]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W2094506913","counts_by_year":[],"updated_date":"2025-01-17T20:39:44.659593","created_date":"2016-06-24"}