{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00070815","sets":["1164:1165:6144:6200"]},"path":["6200"],"owner":"10","recid":"70815","title":["A report on Top-k keyword search algorithms with redundancy elimination on graph databases"],"pubdate":{"attribute_name":"公開日","attribute_value":"2010-11-05"},"_buckets":{"deposit":"49a88ab3-0085-4e7b-a8d0-307d88804403"},"_deposit":{"id":"70815","pid":{"type":"depid","value":"70815","revision_id":0},"owners":[10],"status":"published","created_by":10},"item_title":"A report on Top-k keyword search algorithms with redundancy elimination on graph databases","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"A report on Top-k keyword search algorithms with redundancy elimination on graph databases"},{"subitem_title":"A report on Top-k keyword search algorithms with redundancy elimination on graph databases","subitem_title_language":"en"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"グラフ・モデル","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2010-11-05","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Information Systems, The University of Electro-Communications"},{"subitem_text_value":"Graduate School of Information Systems, The University of Electro-Communications"},{"subitem_text_value":"Graduate School of Information Systems, The University of Electro-Communications"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Graduate School of Information Systems, The University of Electro-Communications","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Information Systems, The University of Electro-Communications","subitem_text_language":"en"},{"subitem_text_value":"Graduate School of Information Systems, The University of Electro-Communications","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/70815/files/IPSJ-DBS10151028.pdf"},"date":[{"dateType":"Available","dateValue":"2012-11-05"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DBS10151028.pdf","filesize":[{"value":"852.3 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"13"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"4ae925ce-f387-41f9-9093-b540cd26c871","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2010 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Meirong, Wang"},{"creatorName":"Liru, Zhang"},{"creatorName":"Tadashi, Ohmori"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Meirong, Wang","creatorNameLang":"en"},{"creatorName":"Liru, Zhang","creatorNameLang":"en"},{"creatorName":"Tadashi, Ohmori","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10112482","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"In recent database studies, a new trend for managing vast amounts of heterogeneous data is to represent all data as a graph database and to provide a ranked keyword search algorithm in that graph. Many previous studies [1][2][3][4][5][6] discussed new searching algorithms for finding better sub-graph in a graph database, in such a way to detect appropriate sub-graph in a ranked order under given keywords. In this paper, by modifying an existing graph-database search algorithm DPBF [1] in a straightforward strategy, we propose such an algorithm that can find exact top-k with eliminating redundant answers, in an exact ranked order in O((2l+1mk+3lnk・logk)log(2lnk)) run time (l: the number of keywords; k: top-k; n: the number of nodes in the graph database; m: the number of edges in the graph database) with the space complexity of O(2l+1nk).","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"In recent database studies, a new trend for managing vast amounts of heterogeneous data is to represent all data as a graph database and to provide a ranked keyword search algorithm in that graph. Many previous studies [1][2][3][4][5][6] discussed new searching algorithms for finding better sub-graph in a graph database, in such a way to detect appropriate sub-graph in a ranked order under given keywords. In this paper, by modifying an existing graph-database search algorithm DPBF [1] in a straightforward strategy, we propose such an algorithm that can find exact top-k with eliminating redundant answers, in an exact ranked order in O((2l+1mk+3lnk・logk)log(2lnk)) run time (l: the number of keywords; k: top-k; n: the number of nodes in the graph database; m: the number of edges in the graph database) with the space complexity of O(2l+1nk).","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告データベースシステム（DBS）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2010-11-05","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"28","bibliographicVolumeNumber":"2010-DBS-151"}]},"relation_version_is_last":true,"weko_creator_id":"10"},"id":70815,"updated":"2025-01-21T23:20:48.267497+00:00","links":{},"created":"2025-01-18T23:29:52.502330+00:00"}