{"id":"https://openalex.org/W2034497257","doi":"https://doi.org/10.1002/(sici)1097-4571(198805)39:3<220::aid-asi8>3.0.co;2-n","title":"The NOT operator","display_name":"The NOT operator","publication_year":1988,"publication_date":"1988-05-01","ids":{"openalex":"https://openalex.org/W2034497257","doi":"https://doi.org/10.1002/(sici)1097-4571(198805)39:3<220::aid-asi8>3.0.co;2-n","mag":"2034497257"},"language":"en","primary_location":{"id":"doi:10.1002/(sici)1097-4571(198805)39:3<220::aid-asi8>3.0.co;2-n","is_oa":false,"landing_page_url":"https://doi.org/10.1002/(sici)1097-4571(198805)39:3<220::aid-asi8>3.0.co;2-n","pdf_url":null,"source":{"id":"https://openalex.org/S4210220780","display_name":"Journal of the American Society for Information Science","issn_l":"0002-8231","issn":["0002-8231","1097-4571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Society for Information Science","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/A5043385337","display_name":"Clara Martinez","orcid":null},"institutions":[{"id":"https://openalex.org/I1286361989","display_name":"American Petroleum Institute","ror":"https://ror.org/01zvdsy94","country_code":"US","type":"other","lineage":["https://openalex.org/I1286361989"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Clara Martinez","raw_affiliation_strings":["Database/Education Specialist, Central Abstracting and Indexing Service, Indexing Service, American Petroleum Institute, 156 William St., New York, NY 10038"],"affiliations":[{"raw_affiliation_string":"Database/Education Specialist, Central Abstracting and Indexing Service, Indexing Service, American Petroleum Institute, 156 William St., New York, NY 10038","institution_ids":["https://openalex.org/I1286361989"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5043385337"],"corresponding_institution_ids":["https://openalex.org/I1286361989"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.14068417,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"39","issue":"3","first_page":"220","last_page":"220"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10320","display_name":"Neural Networks and Applications","score":0.37070000171661377,"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/T10320","display_name":"Neural Networks and Applications","score":0.37070000171661377,"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/T12564","display_name":"Sensor Technology and Measurement Systems","score":0.35280001163482666,"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":0.7958710193634033},{"id":"https://openalex.org/keywords/library-science","display_name":"Library science","score":0.7058515548706055},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.6968061923980713},{"id":"https://openalex.org/keywords/citation","display_name":"Citation","score":0.638049840927124},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5099557638168335},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.4167183041572571},{"id":"https://openalex.org/keywords/automatic-indexing","display_name":"Automatic indexing","score":0.41167527437210083},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.3985694348812103},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.09671935439109802}],"concepts":[{"id":"https://openalex.org/C75165309","wikidata":"https://www.wikidata.org/wiki/Q2258979","display_name":"Search engine indexing","level":2,"score":0.7958710193634033},{"id":"https://openalex.org/C161191863","wikidata":"https://www.wikidata.org/wiki/Q199655","display_name":"Library science","level":1,"score":0.7058515548706055},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.6968061923980713},{"id":"https://openalex.org/C2778805511","wikidata":"https://www.wikidata.org/wiki/Q1713","display_name":"Citation","level":2,"score":0.638049840927124},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5099557638168335},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.4167183041572571},{"id":"https://openalex.org/C2778330532","wikidata":"https://www.wikidata.org/wiki/Q4826577","display_name":"Automatic indexing","level":3,"score":0.41167527437210083},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.3985694348812103},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.09671935439109802},{"id":"https://openalex.org/C162853370","wikidata":"https://www.wikidata.org/wiki/Q39809","display_name":"Marketing","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/(sici)1097-4571(198805)39:3<220::aid-asi8>3.0.co;2-n","is_oa":false,"landing_page_url":"https://doi.org/10.1002/(sici)1097-4571(198805)39:3<220::aid-asi8>3.0.co;2-n","pdf_url":null,"source":{"id":"https://openalex.org/S4210220780","display_name":"Journal of the American Society for Information Science","issn_l":"0002-8231","issn":["0002-8231","1097-4571"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Society for Information Science","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":0,"referenced_works":[],"related_works":["https://openalex.org/W204619012","https://openalex.org/W2398073981","https://openalex.org/W2009466421","https://openalex.org/W4247874641","https://openalex.org/W2081057833","https://openalex.org/W2025451713","https://openalex.org/W2062327384","https://openalex.org/W2168066506","https://openalex.org/W2188505374","https://openalex.org/W1558342070"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2016-06-24T00:00:00"}