{"id":"https://openalex.org/W9908367","doi":null,"title":"2-C-12 \u95a2\u5fc3\u5ea6(Frequency)\u3068\u5fd8\u5374\u5ea6(Recency)\u306b\u57fa\u3065\u304f\u30ec\u30b3\u30e1\u30f3\u30c9\u624b\u6cd5 : \u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3067\u306f\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u6d3b\u7528(\u7279\u5225\u30bb\u30c3\u30b7\u30e7\u30f3 \u30c7\u30fc\u30bf\u89e3\u6790\u30b3\u30f3\u30da\u30c6\u30a3\u30b7\u30e7\u30f3)","display_name":"2-C-12 \u95a2\u5fc3\u5ea6(Frequency)\u3068\u5fd8\u5374\u5ea6(Recency)\u306b\u57fa\u3065\u304f\u30ec\u30b3\u30e1\u30f3\u30c9\u624b\u6cd5 : \u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3067\u306f\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306e\u6d3b\u7528(\u7279\u5225\u30bb\u30c3\u30b7\u30e7\u30f3 \u30c7\u30fc\u30bf\u89e3\u6790\u30b3\u30f3\u30da\u30c6\u30a3\u30b7\u30e7\u30f3)","publication_year":2013,"publication_date":"2013-09-11","ids":{"openalex":"https://openalex.org/W9908367","mag":"9908367"},"language":"ja","primary_location":{"id":"mag:9908367","doi":null,"is_oa":false,"landing_page_url":"https://ci.nii.ac.jp/naid/110009757929","pdf_url":null,"source":{"id":"https://openalex.org/S4306550689","display_name":"\u65e5\u672c\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u30ba\u30fb\u30ea\u30b5\u30fc\u30c1\u5b66\u4f1a\u79cb\u5b63\u7814\u7a76\u767a\u8868\u4f1a\u30a2\u30d6\u30b9\u30c8\u30e9\u30af\u30c8\u96c6","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"\u65e5\u672c\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u30ba\u30fb\u30ea\u30b5\u30fc\u30c1\u5b66\u4f1a\u79cb\u5b63\u7814\u7a76\u767a\u8868\u4f1a\u30a2\u30d6\u30b9\u30c8\u30e9\u30af\u30c8\u96c6","raw_type":null},"volume":null,"type":"article","indexed_in":[],"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/A5033626938","display_name":"Jiro Iwanaga","orcid":"https://orcid.org/0000-0003-1369-5609","observed_orcids":["https://orcid.org/0000-0003-1369-5609"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"\u4e8c\u90ce \u5ca9\u6c38","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052477279","display_name":"\u6634\u4e00 \u934b\u8c37","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"\u6634\u4e00 \u934b\u8c37","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056339695","display_name":"\u60a0 \u68b6\u539f","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"\u60a0 \u68b6\u539f","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5020231334","display_name":"\u5065\u592a \u4e94\u5341\u5d50","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"\u5065\u592a \u4e94\u5341\u5d50","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.00158868,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2013","issue":null,"first_page":"194","last_page":"195"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10203","display_name":"Recommender Systems and Techniques","score":0.9932000041007996,"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/T10203","display_name":"Recommender Systems and Techniques","score":0.9932000041007996,"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/T12101","display_name":"Advanced Bandit Algorithms Research","score":0.0006000000284984708,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T14435","display_name":"Information Retrieval and Data Mining","score":0.00039999998989515007,"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/recommendation-algorithms","display_name":"recommendation algorithms","score":0.6389999985694885},{"id":"https://openalex.org/keywords/big-data","display_name":"big data","score":0.7269999980926514},{"id":"https://openalex.org/keywords/sampling-limitations","display_name":"sampling limitations","score":0.800000011920929},{"id":"https://openalex.org/keywords/data-analysis-competition","display_name":"data analysis competition","score":0.6769999861717224}],"concepts":[{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.36643874645233154},{"id":"https://openalex.org/C46312422","wikidata":"https://www.wikidata.org/wiki/Q11024","display_name":"Communication","level":1,"score":0.3318757116794586},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3288240432739258}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:9908367","doi":null,"is_oa":false,"landing_page_url":"https://ci.nii.ac.jp/naid/110009757929","pdf_url":null,"source":{"id":"https://openalex.org/S4306550689","display_name":"\u65e5\u672c\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u30ba\u30fb\u30ea\u30b5\u30fc\u30c1\u5b66\u4f1a\u79cb\u5b63\u7814\u7a76\u767a\u8868\u4f1a\u30a2\u30d6\u30b9\u30c8\u30e9\u30af\u30c8\u96c6","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"\u65e5\u672c\u30aa\u30da\u30ec\u30fc\u30b7\u30e7\u30f3\u30ba\u30fb\u30ea\u30b5\u30fc\u30c1\u5b66\u4f1a\u79cb\u5b63\u7814\u7a76\u767a\u8868\u4f1a\u30a2\u30d6\u30b9\u30c8\u30e9\u30af\u30c8\u96c6","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-25T08:18:29.962427","created_date":"2025-10-27T00:00:00"}