{"created":"2021-03-01T06:18:37.213441+00:00","id":2024,"links":{},"metadata":{"_buckets":{"deposit":"d9bd461d-ef81-418a-9db8-1034f2ce27eb"},"_deposit":{"id":"2024","owners":[],"pid":{"revision_id":0,"type":"depid","value":"2024"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00002024","sets":["34:105:262","9:233:234"]},"item_7_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2006-02-03","bibliographicIssueDateType":"Issued"},"bibliographic_titles":[{}]}]},"item_7_date_granted_25":{"attribute_name":"学位授与年月日","attribute_value_mlt":[{"subitem_dategranted":"2006-03-23"}]},"item_7_degree_name_20":{"attribute_name":"学位名","attribute_value_mlt":[{"subitem_degreename":"修士(情報理工学)"}]},"item_7_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"ウェブスパムとは検索エンジンの検索結果において特定のサイトのランキングを不正に向上させることを目的とした行為のことを指す. ウェブスパムによって検索結果はページの質とは無関係になり精度が低下するため, 検索エンジンのインデックスからスパムサイトを除去することが重要な課題となっている. ウェブスパムの手法のなかで, 特に関連サイト同士で密にリンクを張ることによってランキングの向上を図るものをリンクスパムと呼ぶ. 本論文ではリンクスパムの種類と分布について, 日本のウェブアーカイブを用いて調べた結果について考察する.","subitem_description_type":"Abstract"}]},"item_7_select_21":{"attribute_name":"学位","attribute_value_mlt":[{"subitem_select_item":"master"}]},"item_7_subject_13":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"007","subitem_subject_scheme":"NDC"}]},"item_7_text_24":{"attribute_name":"研究科・専攻","attribute_value_mlt":[{"subitem_text_value":"情報理工学系研究科電子情報学専攻"}]},"item_7_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学大学院情報理工学系研究科電子情報学専攻"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"小野, 拓史"}],"nameIdentifiers":[{"nameIdentifier":"5962","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-05-31"}],"displaytype":"detail","filename":"K-M143.pdf","filesize":[{"value":"5.6 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"K-M143.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/2024/files/K-M143.pdf"},"version_id":"7306a858-160d-4240-8214-b6e74da1cf3d"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"thesis","resourceuri":"http://purl.org/coar/resource_type/c_46ec"}]},"item_title":"リンク解析を用いたウェブ上のスパム発見手法に関する研究","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"リンク解析を用いたウェブ上のスパム発見手法に関する研究"}]},"item_type_id":"7","owner":"1","path":["234","262"],"pubdate":{"attribute_name":"公開日","attribute_value":"2012-01-11"},"publish_date":"2012-01-11","publish_status":"0","recid":"2024","relation_version_is_last":true,"title":["リンク解析を用いたウェブ上のスパム発見手法に関する研究"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-19T03:43:32.318448+00:00"}