{"id":"https://openalex.org/W2788123080","doi":"https://doi.org/10.1145/3151759.3151826","title":"Category reformation using purchase logs","display_name":"Category reformation using purchase logs","publication_year":2017,"publication_date":"2017-12-04","ids":{"openalex":"https://openalex.org/W2788123080","doi":"https://doi.org/10.1145/3151759.3151826","mag":"2788123080"},"language":"en","primary_location":{"id":"doi:10.1145/3151759.3151826","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3151759.3151826","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 19th International Conference on Information Integration and Web-based Applications & Services","raw_type":"proceedings-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/A5061446825","display_name":"Kouga Kobayashi","orcid":null},"institutions":[{"id":"https://openalex.org/I146399215","display_name":"University of Tsukuba","ror":"https://ror.org/02956yf07","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Kouga Kobayashi","raw_affiliation_strings":["University of Tsukuba, Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"University of Tsukuba, Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I146399215"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028864760","display_name":"Yuri Nozaki","orcid":null},"institutions":[{"id":"https://openalex.org/I146399215","display_name":"University of Tsukuba","ror":"https://ror.org/02956yf07","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yuri Nozaki","raw_affiliation_strings":["University of Tsukuba, Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"University of Tsukuba, Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I146399215"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053021349","display_name":"Takayasu Fushimi","orcid":"https://orcid.org/0000-0003-3448-8182"},"institutions":[{"id":"https://openalex.org/I148798404","display_name":"Tokyo University of Technology","ror":"https://ror.org/021a26605","country_code":"JP","type":"education","lineage":["https://openalex.org/I148798404"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takayasu Fushimi","raw_affiliation_strings":["Tokyo University of Technology, Hachioji, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Tokyo University of Technology, Hachioji, Tokyo, Japan","institution_ids":["https://openalex.org/I148798404"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110339892","display_name":"Tetsuji Satoh","orcid":null},"institutions":[{"id":"https://openalex.org/I146399215","display_name":"University of Tsukuba","ror":"https://ror.org/02956yf07","country_code":"JP","type":"education","lineage":["https://openalex.org/I146399215"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsuji Satoh","raw_affiliation_strings":["University of Tsukuba, Tsukuba, Ibaraki, Japan"],"affiliations":[{"raw_affiliation_string":"University of Tsukuba, Tsukuba, Ibaraki, Japan","institution_ids":["https://openalex.org/I146399215"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5061446825"],"corresponding_institution_ids":["https://openalex.org/I146399215"],"apc_list":null,"apc_paid":null,"fwci":0.9673,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.84320825,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"146","last_page":"150"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12016","display_name":"Web Data Mining and Analysis","score":0.9969000220298767,"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/T12016","display_name":"Web Data Mining and Analysis","score":0.9969000220298767,"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/T10203","display_name":"Recommender Systems and Techniques","score":0.9961000084877014,"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/T13083","display_name":"Advanced Text Analysis Techniques","score":0.9957000017166138,"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/computer-science","display_name":"Computer science","score":0.7079870700836182},{"id":"https://openalex.org/keywords/information-retrieval","display_name":"Information retrieval","score":0.6628478169441223},{"id":"https://openalex.org/keywords/product","display_name":"Product (mathematics)","score":0.5720682740211487},{"id":"https://openalex.org/keywords/product-category","display_name":"Product category","score":0.503652036190033},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12382715940475464}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7079870700836182},{"id":"https://openalex.org/C23123220","wikidata":"https://www.wikidata.org/wiki/Q816826","display_name":"Information retrieval","level":1,"score":0.6628478169441223},{"id":"https://openalex.org/C90673727","wikidata":"https://www.wikidata.org/wiki/Q901718","display_name":"Product (mathematics)","level":2,"score":0.5720682740211487},{"id":"https://openalex.org/C147101817","wikidata":"https://www.wikidata.org/wiki/Q13443840","display_name":"Product category","level":3,"score":0.503652036190033},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12382715940475464},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3151759.3151826","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3151759.3151826","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 19th International Conference on Information Integration and Web-based Applications & Services","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1880262756","https://openalex.org/W1893639437","https://openalex.org/W1902027874","https://openalex.org/W2012884580","https://openalex.org/W2111094216","https://openalex.org/W2138621811","https://openalex.org/W2182874841"],"related_works":["https://openalex.org/W3156248312","https://openalex.org/W1983135191","https://openalex.org/W3213037365","https://openalex.org/W1516703085","https://openalex.org/W2602193642","https://openalex.org/W2061983162","https://openalex.org/W2008878004","https://openalex.org/W2479418427","https://openalex.org/W2775014764","https://openalex.org/W3016541524"],"abstract_inverted_index":{"In":[0,60],"item":[1,36],"searches":[2,44],"on":[3],"shopping":[4,58,74],"sites,":[5],"customers":[6],"must":[7],"find":[8],"the":[9,24,35,47,52,57,73,113],"items":[10],"they":[11],"want":[12],"from":[13,88],"among":[14],"many":[15],"products.":[16],"As":[17],"one":[18],"method":[19,43,98],"of":[20],"narrowing":[21],"down":[22,56],"products,":[23,46],"customer":[25,48,65],"currently":[26],"selects":[27],"a":[28,64,67,71,77,84,89,95],"category":[29,53,86,101],"and":[30,92,102],"posts":[31,66],"queries":[32],"related":[33,69,82],"to":[34,50,54,70,83,99],"in":[37,40],"it.":[38],"However,":[39],"such":[41],"narrowing-down":[42],"for":[45],"needs":[49],"know":[51],"narrow":[55],"sites.":[59],"this":[61],"paper,":[62],"after":[63],"query":[68,90],"product,":[72],"site":[75],"recommends":[76],"word":[78],"that":[79,112],"is":[80],"closely":[81],"new":[85,96],"generated":[87],"log,":[91],"we":[93],"propose":[94],"search":[97],"combine":[100],"keyword":[103],"searches.":[104],"Our":[105],"evaluation":[106],"experiment":[107],"using":[108],"actual":[109],"data":[110],"shows":[111],"categories":[114],"proposed":[115],"by":[116],"recommendations":[117],"provide":[118],"sufficient":[119],"information":[120],"quantity.":[121]},"counts_by_year":[{"year":2018,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}