{"id":"https://openalex.org/W1979204324","doi":"https://doi.org/10.1016/0306-4573(77)90034-6","title":"Retrieval performance and information theory","display_name":"Retrieval performance and information theory","publication_year":1977,"publication_date":"1977-01-01","ids":{"openalex":"https://openalex.org/W1979204324","doi":"https://doi.org/10.1016/0306-4573(77)90034-6","mag":"1979204324"},"language":"en","primary_location":{"id":"doi:10.1016/0306-4573(77)90034-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0306-4573(77)90034-6","pdf_url":null,"source":{"id":"https://openalex.org/S174847851","display_name":"Information Processing & Management","issn_l":"0306-4573","issn":["0306-4573","1873-5371"],"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 Processing & Management","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/A5054334961","display_name":"Mauro Guazzo","orcid":null},"institutions":[{"id":"https://openalex.org/I4210134190","display_name":"Recherches Scientifiques Luxembourg","ror":"https://ror.org/0333e3w09","country_code":"LU","type":"facility","lineage":["https://openalex.org/I4210134190"]}],"countries":["LU"],"is_corresponding":true,"raw_author_name":"Mauro Guazzo","raw_affiliation_strings":["EEC Computer Centre, Plateau de Kirchberg, Luxembourg G.D"],"affiliations":[{"raw_affiliation_string":"EEC Computer Centre, Plateau de Kirchberg, Luxembourg G.D","institution_ids":["https://openalex.org/I4210134190"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5054334961"],"corresponding_institution_ids":["https://openalex.org/I4210134190"],"apc_list":{"value":3220,"currency":"USD","value_usd":3220},"apc_paid":null,"fwci":3.6738,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.93534212,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"13","issue":"3","first_page":"155","last_page":"165"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9503999948501587,"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"}},"topics":[{"id":"https://openalex.org/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9503999948501587,"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/T10906","display_name":"AI-based Problem Solving and Planning","score":0.9480999708175659,"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/axiom","display_name":"Axiom","score":0.8661433458328247},{"id":"https://openalex.org/keywords/entropy","display_name":"Entropy (arrow of time)","score":0.6007816195487976},{"id":"https://openalex.org/keywords/information-theory","display_name":"Information theory","score":0.5751842260360718},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5559127330780029},{"id":"https://openalex.org/keywords/mutual-information","display_name":"Mutual information","score":0.5232835412025452},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5143269300460815},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.5007822513580322},{"id":"https://openalex.org/keywords/axiomatic-system","display_name":"Axiomatic system","score":0.4750894606113434},{"id":"https://openalex.org/keywords/precision-and-recall","display_name":"Precision and recall","score":0.440387487411499},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4075530767440796},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.36931663751602173},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3352054953575134},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.2631222605705261},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.18798860907554626}],"concepts":[{"id":"https://openalex.org/C167729594","wikidata":"https://www.wikidata.org/wiki/Q17736","display_name":"Axiom","level":2,"score":0.8661433458328247},{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.6007816195487976},{"id":"https://openalex.org/C52622258","wikidata":"https://www.wikidata.org/wiki/Q131222","display_name":"Information theory","level":2,"score":0.5751842260360718},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5559127330780029},{"id":"https://openalex.org/C152139883","wikidata":"https://www.wikidata.org/wiki/Q252973","display_name":"Mutual information","level":2,"score":0.5232835412025452},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5143269300460815},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.5007822513580322},{"id":"https://openalex.org/C125773388","wikidata":"https://www.wikidata.org/wiki/Q792542","display_name":"Axiomatic system","level":3,"score":0.4750894606113434},{"id":"https://openalex.org/C81669768","wikidata":"https://www.wikidata.org/wiki/Q2359161","display_name":"Precision and recall","level":2,"score":0.440387487411499},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4075530767440796},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.36931663751602173},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3352054953575134},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.2631222605705261},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.18798860907554626},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0306-4573(77)90034-6","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0306-4573(77)90034-6","pdf_url":null,"source":{"id":"https://openalex.org/S174847851","display_name":"Information Processing & Management","issn_l":"0306-4573","issn":["0306-4573","1873-5371"],"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 Processing & Management","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":10,"referenced_works":["https://openalex.org/W1593292134","https://openalex.org/W1986583506","https://openalex.org/W1995875735","https://openalex.org/W1997555640","https://openalex.org/W2041404167","https://openalex.org/W2087171258","https://openalex.org/W2140821974","https://openalex.org/W2331851634","https://openalex.org/W2993383518","https://openalex.org/W6881077387"],"related_works":["https://openalex.org/W2347586617","https://openalex.org/W3004110783","https://openalex.org/W2038951629","https://openalex.org/W2248909638","https://openalex.org/W2375297110","https://openalex.org/W2219536439","https://openalex.org/W4229752344","https://openalex.org/W2905404382","https://openalex.org/W3126058750","https://openalex.org/W1979204324"],"abstract_inverted_index":null,"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}