{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1050855522051553536.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"URI","@value":"https://ipsj.ixsq.nii.ac.jp/records/146094"}},{"identifier":{"@type":"NAID","@value":"170000151203"}}],"resourceType":"会議発表資料(conference paper)","dc:title":[{"@value":"SmartVideoRanking：視聴者の時刻同期コメントに基づく動画ランキングシステム"}],"dc:language":"ja","description":[{"type":"Other","notation":[{"@value":"本稿では，視聴者の反応をクエリとして使用することで，ユーザが自分好みの動画のランキングを生成できるシステム SmartVideoRanking を提案する．たとえばユーザが 「初音ミク」 というクエリを入力すると，SmartVideoRanking は 「ベースかっこいい」 や 「鳥肌がすごい」 といった視聴者の反応をキーワードとしてユーザに推薦する．ユーザが 「鳥肌がすごい」 というキーワードを選択すると，SmartVideoRanking は 「初音ミク」 に関する動画の中で 「鳥肌がすごい」 という反応が多い動画ほど上位に表示されるランキングを生成してユーザに提示する．本研究では，クエリに対して有用な視聴者の反応を抽出するために，視聴者が動画に投稿した時刻同期コメントを利用する．提案手法では，コメントに関する特徴を用いた機械学習により，クエリに対するコメントの有用度を推定する．50 個のクエリを用いた評価実験の結果，提案手法によって推定された有用度と評価者によって判定された有用度の相関は平均で 0.7547 を達成した．また，クエリに関する動画を再生数の多い順に表示する従来のランキングと，ユーザが選択したコメントに基づいて生成されるランキングを比較したところ，上位 30 件の重複の平均は 2.923 件であり，コメントを検索に用いることで従来のランキング方法では発見が困難な動画を閲覧可能なランキングを生成できることを示した．最後に，SmartVideoRanking のプロトタイプを実装し，コメントに基づく動画のランキングシステムを実現した．"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420282801186635776","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"40760020"},{"@type":"NRID","@value":"1000040760020"},{"@type":"NRID","@value":"9000017728571"},{"@type":"NRID","@value":"9000386383804"},{"@type":"NRID","@value":"9000408916571"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/k.tsukuda"}],"foaf:name":[{"@value":"佃, 洸摂"}]},{"@id":"https://cir.nii.ac.jp/crid/1070855522051553536","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000404222448"}],"foaf:name":[{"@value":"濱崎, 雅弘"}]},{"@id":"https://cir.nii.ac.jp/crid/1420282801206067840","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"20357007"},{"@type":"NRID","@value":"1000020357007"},{"@type":"NRID","@value":"9000404223711"},{"@type":"NRID","@value":"9000309984679"},{"@type":"NRID","@value":"9000290553151"},{"@type":"NRID","@value":"9000404276706"},{"@type":"NRID","@value":"9000397665405"},{"@type":"NRID","@value":"9000242671662"},{"@type":"NRID","@value":"9000004118886"},{"@type":"NRID","@value":"9000255678745"},{"@type":"NRID","@value":"9000287180350"},{"@type":"NRID","@value":"9000377386009"},{"@type":"NRID","@value":"9000004162435"},{"@type":"NRID","@value":"9000002606425"},{"@type":"NRID","@value":"9000243851380"},{"@type":"NRID","@value":"9000255678750"},{"@type":"NRID","@value":"9000404296441"},{"@type":"NRID","@value":"9000346959419"},{"@type":"NRID","@value":"9000004660311"},{"@type":"NRID","@value":"9000020762717"},{"@type":"NRID","@value":"9000404296478"},{"@type":"NRID","@value":"9000340446050"},{"@type":"NRID","@value":"9000394056026"},{"@type":"NRID","@value":"9000279215711"},{"@type":"NRID","@value":"9000287194670"},{"@type":"NRID","@value":"9000283467512"},{"@type":"NRID","@value":"9000021501751"},{"@type":"NRID","@value":"9000021609160"},{"@type":"NRID","@value":"9000404222449"},{"@type":"NRID","@value":"9000021911952"},{"@type":"NRID","@value":"9000378073006"},{"@type":"NRID","@value":"9000279215625"},{"@type":"NRID","@value":"9000394045681"},{"@type":"NRID","@value":"9000345288566"},{"@type":"NRID","@value":"9000405895015"},{"@type":"NRID","@value":"9000398792411"},{"@type":"NRID","@value":"9000273038376"},{"@type":"NRID","@value":"9000273396726"},{"@type":"NRID","@value":"9000415313269"},{"@type":"NRID","@value":"9000250184140"},{"@type":"NRID","@value":"9000250184119"},{"@type":"NRID","@value":"9000403599871"},{"@type":"NRID","@value":"9000255678724"},{"@type":"NRID","@value":"9000238476536"},{"@type":"NRID","@value":"9000404282150"},{"@type":"NRID","@value":"9000404279854"},{"@type":"NRID","@value":"9000404265607"},{"@type":"NRID","@value":"9000412235311"},{"@type":"NRID","@value":"9000283335867"},{"@type":"NRID","@value":"9000399248147"},{"@type":"NRID","@value":"9000024947458"},{"@type":"NRID","@value":"9000326261270"},{"@type":"NRID","@value":"9000287162172"},{"@type":"NRID","@value":"9000258237988"},{"@type":"NRID","@value":"9000399248195"},{"@type":"NRID","@value":"9000283793278"},{"@type":"NRID","@value":"9000287216989"},{"@type":"NRID","@value":"9000242683827"},{"@type":"NRID","@value":"9000312270642"},{"@type":"NRID","@value":"9000241588581"},{"@type":"NRID","@value":"9000403674779"},{"@type":"NRID","@value":"9000290553124"},{"@type":"NRID","@value":"9000404282658"},{"@type":"NRID","@value":"9000346959423"},{"@type":"NRID","@value":"9000346958791"},{"@type":"NRID","@value":"9000412250372"},{"@type":"NRID","@value":"9000404265681"},{"@type":"NRID","@value":"9000386383807"},{"@type":"NRID","@value":"9000404282652"},{"@type":"NRID","@value":"9000287216578"},{"@type":"NRID","@value":"9000404265614"},{"@type":"NRID","@value":"9000287124612"},{"@type":"NRID","@value":"9000347535091"},{"@type":"NRID","@value":"9000020816329"},{"@type":"NRID","@value":"9000403674142"},{"@type":"NRID","@value":"9000243876026"},{"@type":"NRID","@value":"9000283468118"},{"@type":"NRID","@value":"9000399566450"},{"@type":"NRID","@value":"9000002857832"},{"@type":"NRID","@value":"9000023754499"},{"@type":"NRID","@value":"9000243729925"},{"@type":"NRID","@value":"9000397673223"},{"@type":"NRID","@value":"9000405747968"},{"@type":"NRID","@value":"9000386383887"},{"@type":"NRID","@value":"9000368928631"},{"@type":"NRID","@value":"9000399566475"},{"@type":"NRID","@value":"9000326261307"},{"@type":"NRID","@value":"9000005888141"},{"@type":"NRID","@value":"9000255678768"},{"@type":"NRID","@value":"9000404274123"},{"@type":"NRID","@value":"9000404279845"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/m.goto"}],"foaf:name":[{"@value":"後藤, 真孝"}]}],"publication":{"prism:publicationName":[{"@value":"第8回Webとデータベースに関するフォーラム論文集"}],"dc:publisher":[{"@value":"情報処理学会"}],"prism:publicationDate":"2015-11-17","prism:volume":"2015","prism:startingPage":"56","prism:endingPage":"63"},"reviewed":"true","url":[{"@id":"https://ipsj.ixsq.nii.ac.jp/records/146094"},{"@id":"http://id.nii.ac.jp/1001/00146061/"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040282256812157312","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"15H06887"},{"@type":"JGN","@value":"JP15H06887"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15H06887/"}],"notation":[{"@language":"ja","@value":"認知的尺度に基づく動画の検索および発信の支援に関する研究"},{"@language":"en","@value":"Supporting video search and distribution based on cognitive aspects"}]}],"dataSourceIdentifier":[{"@type":"IRDB","@value":"oai:irdb.nii.ac.jp:02902:0003223130"},{"@type":"CIA","@value":"170000151203"},{"@type":"KAKEN","@value":"PRODUCT-20464796"}]}