{"id":"https://openalex.org/W2072619760","doi":"https://doi.org/10.1007/bf02458356","title":"On the overlap, the precision and estimated recall of search engines. A case study of the query \u201cErdos\u201d","display_name":"On the overlap, the precision and estimated recall of search engines. A case study of the query \u201cErdos\u201d","publication_year":1998,"publication_date":"1998-06-01","ids":{"openalex":"https://openalex.org/W2072619760","doi":"https://doi.org/10.1007/bf02458356","mag":"2072619760"},"language":"en","primary_location":{"id":"doi:10.1007/bf02458356","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02458356","pdf_url":null,"source":{"id":"https://openalex.org/S148561398","display_name":"Scientometrics","issn_l":"0138-9130","issn":["0138-9130","1588-2861"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320108","host_organization_name":"Springer Nature (Netherlands)","host_organization_lineage":["https://openalex.org/P4310320108","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature (Netherlands)","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientometrics","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/A5001893735","display_name":"Judit Bar\u2010Ilan","orcid":"https://orcid.org/0000-0002-8796-5248"},"institutions":[{"id":"https://openalex.org/I197251160","display_name":"Hebrew University of Jerusalem","ror":"https://ror.org/03qxff017","country_code":"IL","type":"education","lineage":["https://openalex.org/I197251160"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Judit Bar-Ilan","raw_affiliation_strings":["School of Library, Archive and Information Studies, The Hebrew University of Jerusalem, 91904, Jerusalem, (Israel)","School of Library Archive, and Information Studies, The Hebrew University of Jerusalem, Jerusalem, (Israel)"],"affiliations":[{"raw_affiliation_string":"School of Library, Archive and Information Studies, The Hebrew University of Jerusalem, 91904, Jerusalem, (Israel)","institution_ids":["https://openalex.org/I197251160"]},{"raw_affiliation_string":"School of Library Archive, and Information Studies, The Hebrew University of Jerusalem, Jerusalem, (Israel)","institution_ids":["https://openalex.org/I197251160"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5001893735"],"corresponding_institution_ids":["https://openalex.org/I197251160"],"apc_list":{"value":2290,"currency":"EUR","value_usd":2890},"apc_paid":null,"fwci":6.5034,"has_fulltext":false,"cited_by_count":47,"citation_normalized_percentile":{"value":0.97198682,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"42","issue":"2","first_page":"207","last_page":"228"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13976","display_name":"Web visibility and informetrics","score":0.9988999962806702,"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/T13976","display_name":"Web visibility and informetrics","score":0.9988999962806702,"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/T12016","display_name":"Web Data Mining and Analysis","score":0.9975000023841858,"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/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9679999947547913,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.8175995349884033},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.69985032081604},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6539477109909058},{"id":"https://openalex.org/keywords/query-expansion","display_name":"Query expansion","score":0.5475942492485046},{"id":"https://openalex.org/keywords/recall","display_name":"Recall","score":0.5456595420837402},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.5040651559829712},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.4879123866558075},{"id":"https://openalex.org/keywords/precision-and-recall","display_name":"Precision and recall","score":0.4692901074886322},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4439904987812042},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.41188061237335205},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.20105737447738647},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.06471219658851624}],"concepts":[{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.8175995349884033},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.69985032081604},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6539477109909058},{"id":"https://openalex.org/C99016210","wikidata":"https://www.wikidata.org/wiki/Q5488129","display_name":"Query expansion","level":2,"score":0.5475942492485046},{"id":"https://openalex.org/C100660578","wikidata":"https://www.wikidata.org/wiki/Q18733","display_name":"Recall","level":2,"score":0.5456595420837402},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.5040651559829712},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.4879123866558075},{"id":"https://openalex.org/C81669768","wikidata":"https://www.wikidata.org/wiki/Q2359161","display_name":"Precision and recall","level":2,"score":0.4692901074886322},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4439904987812042},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.41188061237335205},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.20105737447738647},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.06471219658851624},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/bf02458356","is_oa":false,"landing_page_url":"https://doi.org/10.1007/bf02458356","pdf_url":null,"source":{"id":"https://openalex.org/S148561398","display_name":"Scientometrics","issn_l":"0138-9130","issn":["0138-9130","1588-2861"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320108","host_organization_name":"Springer Nature (Netherlands)","host_organization_lineage":["https://openalex.org/P4310320108","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature (Netherlands)","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Scientometrics","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":27,"referenced_works":["https://openalex.org/W213653178","https://openalex.org/W343242007","https://openalex.org/W345860724","https://openalex.org/W1524316754","https://openalex.org/W1553330854","https://openalex.org/W1593292134","https://openalex.org/W1861921953","https://openalex.org/W1952255788","https://openalex.org/W1970519052","https://openalex.org/W2001807526","https://openalex.org/W2009405785","https://openalex.org/W2012299268","https://openalex.org/W2049961212","https://openalex.org/W2082751088","https://openalex.org/W2092923820","https://openalex.org/W2105276905","https://openalex.org/W2143717736","https://openalex.org/W2152570188","https://openalex.org/W2153222072","https://openalex.org/W2331851634","https://openalex.org/W2578187082","https://openalex.org/W2907147533","https://openalex.org/W2992116678","https://openalex.org/W2999755761","https://openalex.org/W6633171981","https://openalex.org/W6680984283","https://openalex.org/W6770996607"],"related_works":["https://openalex.org/W2096359267","https://openalex.org/W1521725692","https://openalex.org/W3008917487","https://openalex.org/W3197639690","https://openalex.org/W2026738364","https://openalex.org/W2358294942","https://openalex.org/W2572349046","https://openalex.org/W2901901036","https://openalex.org/W2185998359","https://openalex.org/W2160726690"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}