{"id":"https://openalex.org/W4301523337","doi":"https://doi.org/10.1145/1835449.1835683","title":"Estimating the query difficulty for information retrieval","display_name":"Estimating the query difficulty for information retrieval","publication_year":2010,"publication_date":"2010-07-19","ids":{"openalex":"https://openalex.org/W4301523337","doi":"https://doi.org/10.1145/1835449.1835683"},"language":"en","primary_location":{"id":"doi:10.1145/1835449.1835683","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1835449.1835683","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval","raw_type":"proceedings-article"},"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/A5103324615","display_name":"David Carmel","orcid":"https://orcid.org/0000-0003-1161-7084"},"institutions":[{"id":"https://openalex.org/I4210167297","display_name":"IBM Research - Haifa","ror":"https://ror.org/05rw9t746","country_code":"IL","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210167297"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"David Carmel","raw_affiliation_strings":["IBM Research Lab in Haifa, Haifa, Israel"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research Lab in Haifa, Haifa, Israel","institution_ids":["https://openalex.org/I4210167297"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009670109","display_name":"Elad Yom\u2010Tov","orcid":"https://orcid.org/0000-0002-2380-4584"},"institutions":[{"id":"https://openalex.org/I4210167297","display_name":"IBM Research - Haifa","ror":"https://ror.org/05rw9t746","country_code":"IL","type":"facility","lineage":["https://openalex.org/I1341412227","https://openalex.org/I4210114115","https://openalex.org/I4210167297"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Elad Yom-Tov","raw_affiliation_strings":["IBM Research lab in Haifa, Haifa, Israel"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IBM Research lab in Haifa, Haifa, Israel","institution_ids":["https://openalex.org/I4210167297"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210167297"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":44,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"911","last_page":"911"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10286","display_name":"Information Retrieval and Search Behavior","score":0.9937999844551086,"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":0.9937999844551086,"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/computer-science","display_name":"Computer science","score":0.8273302316665649},{"id":"https://openalex.org/keywords/variance","display_name":"Variance (accounting)","score":0.6730852723121643},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.6362566947937012},{"id":"https://openalex.org/keywords/order","display_name":"Order (exchange)","score":0.5162599086761475},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.5142926573753357},{"id":"https://openalex.org/keywords/search-engine","display_name":"Search engine","score":0.5082268714904785},{"id":"https://openalex.org/keywords/query-expansion","display_name":"Query expansion","score":0.5071494579315186},{"id":"https://openalex.org/keywords/web-search-query","display_name":"Web search query","score":0.4272023141384125}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8273302316665649},{"id":"https://openalex.org/C196083921","wikidata":"https://www.wikidata.org/wiki/Q7915758","display_name":"Variance (accounting)","level":2,"score":0.6730852723121643},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.6362566947937012},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.5162599086761475},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.5142926573753357},{"id":"https://openalex.org/C97854310","wikidata":"https://www.wikidata.org/wiki/Q19541","display_name":"Search engine","level":2,"score":0.5082268714904785},{"id":"https://openalex.org/C99016210","wikidata":"https://www.wikidata.org/wiki/Q5488129","display_name":"Query expansion","level":2,"score":0.5071494579315186},{"id":"https://openalex.org/C164120249","wikidata":"https://www.wikidata.org/wiki/Q995982","display_name":"Web search query","level":3,"score":0.4272023141384125},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C121955636","wikidata":"https://www.wikidata.org/wiki/Q4116214","display_name":"Accounting","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1835449.1835683","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1835449.1835683","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 33rd international ACM SIGIR conference on Research and development in information retrieval","raw_type":"proceedings-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/W2096359267","https://openalex.org/W1521725692","https://openalex.org/W3008917487","https://openalex.org/W3197639690","https://openalex.org/W2026738364","https://openalex.org/W2572349046","https://openalex.org/W2901901036","https://openalex.org/W2049540727","https://openalex.org/W2185998359","https://openalex.org/W2160726690"],"abstract_inverted_index":{"Many":[0],"information":[1],"retrieval":[2],"(IR)":[3],"systems":[4,19,44],"suffer":[5],"from":[6],"a":[7,73],"radical":[8],"variance":[9,87],"in":[10,52,88],"performance":[11],"when":[12],"responding":[13],"to":[14,48,54,76,84],"users'":[15],"queries.":[16],"Even":[17],"for":[18,31,70],"that":[20,42],"succeed":[21],"very":[22],"well":[23],"on":[24],"average,":[25],"the":[26,34,86],"quality":[27],"of":[28,33],"results":[29],"returned":[30],"some":[32,60],"queries":[35,51,61],"is":[36,40,68],"poor.":[37],"Thus,":[38],"it":[39],"desirable":[41],"IR":[43],"will":[45,80],"be":[46],"able":[47],"identify":[49],"\"difficult\"":[50],"order":[53],"handle":[55],"them":[56],"properly.":[57],"Understanding":[58],"why":[59],"are":[62],"inherently":[63],"more":[64],"difficult":[65],"than":[66],"others":[67],"essential":[69],"IR,":[71],"and":[72],"good":[74],"answer":[75],"this":[77],"important":[78],"question":[79],"help":[81],"search":[82],"engines":[83],"reduce":[85],"performance,":[89],"hence":[90],"better":[91],"servicing":[92],"their":[93],"customer":[94],"needs.":[95]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":4},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":4}],"updated_date":"2026-07-16T13:24:37.021932","created_date":"2025-10-10T00:00:00"}