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ニコ生の集計始め
てみた
~将棋放送とコメント量~
2015.9.5 nobi
Twitter : @log_25
Mail : nobi000000@gmail.com
自己紹介
• ニコニコ動画の○年間の歩みを分析し
てみた(
• 5年間:sm17165490(2012年)
• 6年間:sm20255363(2013年)
• 7年間:sm23026976(2014年)
• 8年間:sm25712831(2015年)
• 「sm20000000は何時投稿される
か?」(sm19311080)
• 過去のデータ研究会
• 「ニコニコ動画のタグに関する話」
• http://www.slideshare.net/nobi000/201311
10
三国志
手描き・ノベ
ル
Vocaload
実況プレ
イ
ゲーム
音楽
演奏
車
エンタメ
その他
最近、いろいろとデータ集めてま
す…
• Youtube
• Twitter
• 今日は「ニコニコ生放送」について
– 30分間隔で来場者・コメント量を収集
– 先行事例は多数
話は変わりますが…
• 将棋放送楽しく拝見させて頂いておりま
す
今日のテーマ
「将棋放送のコメ
ントは序盤、中盤、
終盤、隙がないの
か」
叡王戦
• 持ち時間:1時間(チェスクロック)
• 切れたら1分
⇒ おおよそ1戦2時間
• 対局開始 10時/14時/19時
(8月30日・日)
第1期叡王戦 九段予選
0
10000
20000
30000
40000
50000
60000
70000
80000
2015/8/30 9:00 2015/8/30 12:00 2015/8/30 15:00 2015/8/30 18:00 2015/8/30 21:00
コ
メ
ン
ト
量
コメント量
(8月30日・日)
第1期叡王戦 九段予選
0
1000
2000
3000
4000
5000
6000
7000
8000
2015/8/30 9:00 2015/8/30 12:00 2015/8/30 15:00 2015/8/30 18:00 2015/8/30 21:00
差
分
量
コメント量の30分ごとの差分
ということで、8月の他の日は
0
1000
2000
3000
4000
5000
6000
7000
8000
9:00 12:00 15:00 18:00 21:00
差
分
量
コメント量の30分ごとの差分
8月18日 8月19日 8月25日 8月26日 8月27日 8月28日
「将棋放送のコメ
ントは中盤に隙が
ある」
では、来場者は?
0
20000
40000
60000
80000
100000
120000
2015/8/30 9:00 2015/8/30 12:00 2015/8/30 15:00 2015/8/30 18:00 2015/8/30 21:00
来
場
者
数
(8月30日)来場者数
では、来場者は?
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
2015/8/30 9:00 2015/8/30 12:00 2015/8/30 15:00 2015/8/30 18:00 2015/8/30 21:00
差
分
量
(8月30日)来場者数の30分ごとの差分量
ということで、8月の他の日は
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
9:00 12:00 15:00 18:00 21:00
差
分
量
来場者の30分ごとの差分
8月18日 8月19日 8月25日 8月26日 8月27日 8月28日
「将棋放送は終盤
に来場者の増加量
が大きくなる」
難しい点
• スナップショットのログなので、その時
間で取らないとデータが得られない
– ニコニコ動画の「●月●日の再生数」などと同
様の課題
課題
• 特定の放送のみ、30分間隔を詰めたい
– 盛り上がっている放送
– 盛り上がると想定される放送
• 「盛り上がっていた放送」では「時すでに遅し」
• 全放送で詰めるのは負荷という別問題が
• 30分以下の放送への対応
• 他ジャンルの放送は?
– ゲーム実況・アニメ一挙・スポーツ
– 放送ごとのドメイン知識が必要
• コメント内容は?
ドメイン知識の必要性
0
1000
2000
3000
4000
5000
6000
7000
8000
2015/8/30 9:00 2015/8/30 12:00 2015/8/30 15:00 2015/8/30 18:00 2015/8/30 21:00
差
分
量
コメント量の30分ごとの差分
対局開始時間が分からない
とデータだけ見ても分からない
ドメイン知識の必要性
0
1000
2000
3000
4000
5000
6000
7000
8000
2015/8/30 9:00 2015/8/30 12:00 2015/8/30 15:00 2015/8/30 18:00 2015/8/30 21:00
差
分
量
コメント量の30分ごとの差分
対局開始時間が分からない
とデータだけ見ても分からない
ありがとうご
ざいました

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ニコ生の集計始めてみた