{"created":"2021-03-01T06:18:28.069628+00:00","id":1876,"links":{},"metadata":{"_buckets":{"deposit":"bf1a07e4-c365-4dcc-9a23-39d394244b50"},"_deposit":{"id":"1876","owners":[],"pid":{"revision_id":0,"type":"depid","value":"1876"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00001876"},"item_7_alternative_title_1":{"attribute_name":"\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb","attribute_value_mlt":[{"subitem_alternative_title":"A Study to Improve Peer-to-Peer Information Retrieval Schemes Using Document Features"}]},"item_7_biblio_info_7":{"attribute_name":"\u66f8\u8a8c\u60c5\u5831","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2008-03","bibliographicIssueDateType":"Issued"},"bibliographic_titles":[{}]}]},"item_7_date_granted_25":{"attribute_name":"\u5b66\u4f4d\u6388\u4e0e\u5e74\u6708\u65e5","attribute_value_mlt":[{"subitem_dategranted":"2008-03-24"}]},"item_7_degree_name_20":{"attribute_name":"\u5b66\u4f4d\u540d","attribute_value_mlt":[{"subitem_degreename":"\u4fee\u58eb(\u60c5\u5831\u7406\u5de5\u5b66)"}]},"item_7_description_5":{"attribute_name":"\u6284\u9332","attribute_value_mlt":[{"subitem_description":"\u81a8\u5927\u306a\u60c5\u5831\u3092\u52b9\u7387\u3088\u304f\u6271\u3046\u305f\u3081\uff0c\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u304c\u5e83\u304f\u4e00\u822c\u7684\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\uff0e\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u306e\u591a\u304f\u306f\u96c6\u4e2d\u578b\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u69cb\u7bc9\u3055\u308c\u3066\u3044\u308b\uff0e\u3053\u306e\u96c6\u4e2d\u578b\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u5bb9\u6613\u306b\u69cb\u7bc9\u3067\u304d\uff0c\u3055\u3089\u306b\u60c5\u5831\u3092\u96c6\u4e2d\u7ba1\u7406\u3067\u304d\u308b\uff0e\u305d\u306e\u305f\u3081\uff0c\u5c0f\u898f\u6a21\u306a\u30b7\u30b9\u30c6\u30e0\u3084\u30c7\u30fc\u30bf\u30de\u30a4\u30cb\u30f3\u30b0\u3092\u4f34\u3046\u30b7\u30b9\u30c6\u30e0\u306b\u96c6\u4e2d\u578b\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u9069\u3057\u3066\u3044\u308b\uff0e\u3057\u304b\u3057\u306a\u304c\u3089\uff0c\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u306e\u898f\u6a21\u304c\u5927\u304d\u304f\u306a\u308b\u306b\u3064\u308c\uff0c\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3084\u30b7\u30b9\u30c6\u30e0\u7ba1\u7406\u30b3\u30b9\u30c8\u306e\u9762\u3067\u96c6\u4e2d\u578b\u306e\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u3092\u904b\u55b6\u3059\u308b\u3053\u3068\u306f\u56f0\u96e3\u306b\u306a\u3063\u3066\u3044\u304f\uff0e\u5927\u898f\u6a21\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u3084\u904b\u55b6\u306b\u306f\uff0c\u8ca0\u8377\u5206\u6563\u306b\u3064\u3044\u3066\u306e\u5c02\u9580\u77e5\u8b58\u3084\uff0c\u81a8\u5927\u306a\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u8cc7\u6e90\uff0c\u8c4a\u5bcc\u306a\u8cc7\u672c\u529b\u304c\u5fc5\u8981\u3068\u306a\u308b\u304b\u3089\u3067\u3042\u308b\uff0e \u3053\u308c\u3089\u306e\u554f\u984c\u3092\u89e3\u6c7a\u3067\u304d\u308b\u624b\u6cd5\u3068\u3057\u3066\uff0c\u5206\u6563\u578b\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u304c\u6ce8\u76ee\u3092\u6d74\u3073\u3066\u3044\u308b\uff0e\u5206\u6563\u578b\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\uff0c\u5927\u898f\u6a21\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u5bfe\u5fdc\u3060\u3051\u3067\u306a\u304f\uff0c\u4f59\u5270\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u8cc7\u6e90\u306e\u6709\u52b9\u6d3b\u7528\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u67d4\u8edf\u6027\u306e\u78ba\u4fdd\u306e\u70b9\u3067\u3082\u671f\u5f85\u3055\u308c\u3066\u3044\u308b\uff0e\u3053\u308c\u307e\u3067\u306e\u7814\u7a76\u3067\uff0c\u5206\u6563\u578b\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u306e\u691c\u7d22\u7cbe\u5ea6\u3092\u96c6\u4e2d\u578b\u3068\u307b\u307c\u540c\u7b49\u3068\u306a\u308b\u624b\u6cd5\u304c\u63d0\u6848\u3055\u308c\u3066\u3044\u308b\uff0e\u3057\u304b\u3057\uff0c\u5206\u6563\u578b\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u7d22\u5f15\u69cb\u7bc9\u30b3\u30b9\u30c8\u3084\u691c\u7d22\u5b9f\u884c\u6642\u306e\u30b3\u30b9\u30c8\u304c\u672a\u3060\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u3063\u3066\u3044\u308b\uff0e\u7b46\u8005\u306fP2P\u60c5\u5831\u691c\u7d22\u3092\u5b9f\u7528\u7684\u306a\u3082\u306e\u306b\u3059\u3079\u304f\uff0c\u3053\u308c\u3089\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u7d22\u5f15\u69cb\u9020\u3068\u30c7\u30fc\u30bf\u914d\u7f6e\u6cd5\u306b\u95a2\u3059\u308b2\u3064\u306e\u624b\u6cd5\u3092\u63d0\u6848\u3059\u308b\uff0e 1\u3064\u3081\u306e\u624b\u6cd5\u306fHuffman-DHT\u3067\u3042\u308b\uff0e Huffman-DHT\u306f\u7b46\u8005\u306e\u63d0\u6848\u3059\u308bP2P\u60c5\u5831\u691c\u7d22\u306e\u305f\u3081\u306e\u65b0\u305f\u306a\u7d22\u5f15\u69cb\u9020\u3067\u3042\u308b\uff0e Huffman-DHT\u306f\u7d22\u5f15\u767b\u9332\u6642\u306e\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u3092\u89e3\u6d88\u3057\uff0c\u3055\u3089\u306b\u7d22\u5f15\u69cb\u7bc9\u306b\u4f34\u3046\u63a2\u7d22\u30b3\u30b9\u30c8\u3092\u4f4e\u6e1b\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3059\u308b\uff0e\u3053\u308c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\uff0c\u767b\u9332\u983b\u5ea6\u306e\u9ad8\u3044\u4e00\u90e8\u306e\u5358\u8a9e\u306e\u7d22\u5f15\u304c\u7d22\u5f15\u69cb\u7bc9\u30b3\u30b9\u30c8\u306e\u5927\u90e8\u5206\u3092\u5360\u3081\u3066\u3044\u308b\u3068\u3044\u3046Zipf\u306e\u6cd5\u5247\u306b\u57fa\u3065\u3044\u305f\u7279\u5fb4\u3092\u5229\u7528\u3057\uff0cHuffman-DHT\u3067\u306f\u51fa\u73fe\u78ba\u7387\u306e\u9ad8\u3044\u5358\u8a9e\u306b\u5bfe\u3057\u3066ID\u7a7a\u9593\u3067\u5e83\u3044\u9818\u57df\u3092\u5272\u308a\u5f53\u3066\u308b\uff0e ID\u7a7a\u9593\u306e\u5206\u5272\u306b\u306f\uff0c\u7b26\u53f7\u7406\u8ad6\u306eHuffman\u7b26\u53f7\u3092\u63a1\u7528\u3057\u305f\uff0e Huffman-DHT\u3092\u7528\u3044\u308b\u3053\u3068\u3067\uff0c\u7d22\u5f15\u69cb\u7bc9\u306e\u969b\u306e\u88ab\u30a2\u30af\u30bb\u30b9\u6570\u3092\u30ce\u30fc\u30c9\u9593\u3067\u5206\u6563\u3067\u304d\u308b\uff0e\u3055\u3089\u306b\uff0c\u901a\u5e38\u306e\u7d22\u5f15\u3067\u306f\u5358\u8a9e\u306e\u7d22\u5f15\u3092\u4fdd\u6301\u3059\u308b\u30ce\u30fc\u30c9\u3092\u63a2\u3059\u306e\u306b\u305d\u306e\u5358\u8a9e\u306e\u51fa\u73fe\u78ba\u7387\u306b\u95a2\u308f\u3089\u305a O(log n) \u306e\u30db\u30c3\u30d7\u6570\u304c\u5fc5\u8981\u3068\u306a\u308b\u3068\u3053\u308d\u3092\uff0c\u767b\u9332\u983b\u5ea6\u306e\u9ad8\u3044\u5358\u8a9e\u306e\u7d22\u5f15\u307b\u3069\u5c11\u306a\u3044\u30db\u30c3\u30d7\u6570\u3067\u63a2\u305b\u3089\u308c\u308b\uff0e \u3082\u30461\u3064\u306e\u624b\u6cd5\u306fConcordia\u3067\u3042\u308b\uff0e Concordia\u306f\u7b46\u8005\u306e\u63d0\u6848\u3059\u308bP2P\u60c5\u5831\u691c\u7d22\u306e\u305f\u3081\u306e\u65b0\u305f\u306a\u30c7\u30fc\u30bf\u914d\u7f6e\u624b\u6cd5\u3067\u3042\u308b\uff0e Concordia\u306f\uff0cP2P\u60c5\u5831\u691c\u7d22\u306b\u304a\u3044\u3066P2P\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u30e6\u30fc\u30b6\u306e\u691c\u7d22\u554f\u3044\u5408\u308f\u305b\u306b\u9069\u5408\u3059\u308b\u6587\u66f8\u3092\u52b9\u7387\u826f\u304f\u9ad8\u901f\u306b\u53ce\u96c6\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3059\u308b\uff0e\u3053\u308c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\uff0cConcordia\u3067\u306f\u6587\u66f8\u30c7\u30fc\u30bf\u306e\u914d\u7f6e\u5834\u6240\u3092\u691c\u7d22\u6642\u306b\u7d22\u5f15\u53c2\u7167\u306e\u305f\u3081\u306b\u63a5\u7d9a\u3059\u308b\u5834\u6240\u3068\u95a2\u9023\u3065\u3051\u308b\uff0e\u3064\u307e\u308a\uff0c\u6587\u66f8\u3068\u95a2\u9023\u5ea6\u306e\u9ad8\u3044\u7d22\u5f15\u3092\u7ba1\u7406\u3059\u308b\u30ce\u30fc\u30c9\u306b\u6587\u66f8\u30c7\u30fc\u30bf\u3092\u914d\u7f6e\u3059\u308b\uff0e\u305d\u306e\u95a2\u9023\u5ea6\u306e\u8a08\u7b97\u306b\u306f\u6587\u66f8\u4e2d\u306e\u5404\u5358\u8a9e\u306e\u91cd\u307f\u3092\u7528\u3044\u308b\uff0e Concordia\u3092\u7528\u3044\u308b\u3053\u3068\u3067\uff0c\u554f\u3044\u5408\u308f\u305b\u306b\u9069\u5408\u3059\u308b\u6587\u66f8\u307b\u3069\u53ce\u96c6\u304c\u5bb9\u6613\u3068\u306a\u308a\uff0cP2P\u60c5\u5831\u691c\u7d22\u306e\u5b9f\u884c\u6642\u9593\u3092\u524a\u6e1b\u3067\u304d\u308b\uff0e \u672c\u8ad6\u6587\u3067\u306f\u3053\u308c\u30892\u3064\u306e\u624b\u6cd5\u306b\u3064\u3044\u3066\u8ff0\u3079\u308b\uff0e\u7b46\u8005\u306f\u5206\u6563\u578b\u691c\u7d22\u306b\u304a\u3051\u308b\u8ab2\u984c\u3092\u514b\u670d\u3057\uff0c\u5b9f\u7528\u7684\u306a\u3082\u306e\u306b\u3059\u308b\u3053\u3068\u3092\u7814\u7a76\u76ee\u6a19\u3068\u636e\u3048\u3066\u3044\u308b\uff0e","subitem_description_type":"Abstract"}]},"item_7_select_21":{"attribute_name":"\u5b66\u4f4d","attribute_value_mlt":[{"subitem_select_item":"master"}]},"item_7_subject_13":{"attribute_name":"\u65e5\u672c\u5341\u9032\u5206\u985e\u6cd5","attribute_value_mlt":[{"subitem_subject":"548","subitem_subject_scheme":"NDC"}]},"item_7_text_24":{"attribute_name":"\u7814\u7a76\u79d1\u30fb\u5c02\u653b","attribute_value_mlt":[{"subitem_text_value":"\u60c5\u5831\u7406\u5de5\u5b66\u7cfb\u7814\u7a76\u79d1\u96fb\u5b50\u60c5\u5831\u5b66\u5c02\u653b"}]},"item_7_text_4":{"attribute_name":"\u8457\u8005\u6240\u5c5e","attribute_value_mlt":[{"subitem_text_value":"\u5927\u5b66\u9662\u60c5\u5831\u7406\u5de5\u5b66\u7cfb\u7814\u7a76\u79d1\u96fb\u5b50\u60c5\u5831\u5b66\u5c02\u653b"},{"subitem_text_value":"Graduate School of Information Science and Technology Department of Information and Communication Engineering The University of Tokyo"}]},"item_creator":{"attribute_name":"\u8457\u8005","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"\u5009\u6ca2, \u592e"}],"nameIdentifiers":[{"nameIdentifier":"5712","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"\u30d5\u30a1\u30a4\u30eb\u60c5\u5831","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-05-31"}],"displaytype":"detail","filename":"48066418.pdf","filesize":[{"value":"6.1 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"48066418.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/1876/files/48066418.pdf"},"version_id":"899b113d-44c8-4043-b44f-3f564215d6c6"}]},"item_keyword":{"attribute_name":"\u30ad\u30fc\u30ef\u30fc\u30c9","attribute_value_mlt":[{"subitem_subject":"Peer-to-Peer","subitem_subject_scheme":"Other"},{"subitem_subject":"\u60c5\u5831\u691c\u7d22","subitem_subject_scheme":"Other"},{"subitem_subject":"\u7d22\u5f15\u69cb\u9020","subitem_subject_scheme":"Other"},{"subitem_subject":"\u30c7\u30fc\u30bf\u914d\u7f6e","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"\u8a00\u8a9e","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"\u8cc7\u6e90\u30bf\u30a4\u30d7","attribute_value_mlt":[{"resourcetype":"thesis","resourceuri":"http://purl.org/coar/resource_type/c_46ec"}]},"item_title":"\u6587\u66f8\u60c5\u5831\u3092\u5229\u7528\u3057\u305fP2P\u60c5\u5831\u691c\u7d22\u306e\u52b9\u7387\u5316\u306b\u95a2\u3059\u308b\u7814\u7a76","item_titles":{"attribute_name":"\u30bf\u30a4\u30c8\u30eb","attribute_value_mlt":[{"subitem_title":"\u6587\u66f8\u60c5\u5831\u3092\u5229\u7528\u3057\u305fP2P\u60c5\u5831\u691c\u7d22\u306e\u52b9\u7387\u5316\u306b\u95a2\u3059\u308b\u7814\u7a76"}]},"item_type_id":"7","owner":"1","path":["9/233/234","34/105/262"],"pubdate":{"attribute_name":"\u516c\u958b\u65e5","attribute_value":"2011-08-08"},"publish_date":"2011-08-08","publish_status":"0","recid":"1876","relation_version_is_last":true,"title":["\u6587\u66f8\u60c5\u5831\u3092\u5229\u7528\u3057\u305fP2P\u60c5\u5831\u691c\u7d22\u306e\u52b9\u7387\u5316\u306b\u95a2\u3059\u308b\u7814\u7a76"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2021-03-02T08:12:52.987117+00:00"}