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Finding Community Structure in Mega-scale Social Networks
View PDF Abstract: Community analysis algorithm proposed by Clauset, Newman, and Moore (CNM algorithm) finds community structure in social networks. Unfortunately, CNM algorithm does not scale well and its use is practically limited to networks whose sizes are up to 500,000 nodes. The paper identifies that this inefficiency is caused from merging communities in unbalanced manner. The paper introdu
第2回　OpenIDライブラリã«ä»˜å±žã—ã¦ã„ã‚‹RPサーãƒã‚’å‹•ã‹ã—ã¦ã¿ã‚‹ | gihyo.jp
連載ã®ç¬¬1回ã§ã¯æ—¢å˜ã‚µãƒ¼ãƒ“スを例ã«ã—ã¦ã€OP（OpenID Provider）ãŒæä¾›ã™ã‚‹OpenIDアカウントã§RP（Relying Party）ã¸ã®ãƒã‚°ã‚¤ãƒ³ã‚’試ã—ã¦ã¿ã¾ã—ãŸã€‚ 今回ã‹ã‚‰ã¯ã€è‡ªåˆ†ã§OpenIDã«å¯¾å¿œã—ãŸRPã‚’å‹•ã‹ã—ãªãŒã‚‰ã€OpenIDã®ä½¿ã„方を説明ã—ã¦ã„ãã¾ã™ã€‚ 第2回ã§ã¯OpenIDã«å¯¾å¿œã—ãŸãƒ©ã‚¤ãƒ–ラリを紹介ã—ã€Ruby用ã®ãƒ©ã‚¤ãƒ–ラリを使ã£ã¦RPã®ã‚µãƒ³ãƒ—ルを動作ã•ã›ã¦ã¿ã¾ã—ょã†ã€‚ OpenIDã®å¯¾å¿œãƒ©ã‚¤ãƒ–ラリ OpenIDアカウントã§ãƒã‚°ã‚¤ãƒ³å¯èƒ½ãªã‚µã‚¤ãƒˆï¼ˆRP）を作るãŸã‚ã«ã¯ã€OpenIDã®ä»•æ§˜ã§å®šã‚られãŸãƒ—ãƒãƒˆã‚³ãƒ«ã«æº–æ‹ ã—ãªã‘ã‚Œã°ã„ã‘ã¾ã›ã‚“。 幸ã„〠OpenIDã®ä»•æ§˜ã«å¯¾å¿œã—ãŸå„言語ã®ãƒ©ã‚¤ãƒ–ラリãŒã‚ªãƒ¼ãƒ—ンソースã¨ã—ã¦å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ã“れらã®ãƒ©ã‚¤ãƒ–ラリを使ã†ã“ã¨ã§ã€OpenIDã®ç´°ã‹ãªãƒ—ãƒãƒˆã‚³ãƒ«ã‚’自分ã§ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã—ãªãã¦è‰¯ã„よã†ã«ãªã£ã¦ã„ã¾ã™ã€‚ ã“ã“ã§ã¯ã€ã„ãã¤ã‹
railsã§openid試ã—ã¦ã¿ã‚‹ã€‚　openid_login_generatorã§ã‚„ã£ã¦ã¿ãŸã€‚ - ãã‚Šã¾ã‚‹webã¤ãã‚‹
gem入れる $ gem install ruby-openid $ gem install openid_login_generator $ gem install ruby-yadis $ gem list --local (ç•¥) openid_login_generator (0.1) rails (2.0.2) rake (0.8.1) ruby-openid (2.0.3) ruby-yadis (0.3.4) æ–°ã—ã„Railsプãƒã‚¸ã‚§ã‚¯ãƒˆä½œã‚‹ $ rails openidtest -d mysql (ç•¥) $ cd openidtest $ rake db:create ã§ã€ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã§ãã¦developmentã®DBも作られる generate $ ./script/generate openid_login account create lib/openid_login_
Avatar
→ ‘Avatar’ What support for avatars Installing sudo gem install avatar The basics Set up Avatar::source (by default, a Gravatar) Use Avatar::source.avatar_url_for(person, options) or a view helper Demonstration of usage app/helpers/people_helper.rb: class PeopleHelper include Avatar::View::ActionViewSupport end app/views/people/show.html.erb: <%= avatar_tag(@current_user, :size => 40) %> Forum htt
Railsã§åŒã˜viewを使ã„回ã™æ™‚ã«çŸ¥ã£ã¦å¾—ã™ã‚‹ãƒ¡ã‚½ãƒƒãƒ‰4㤠- ãŠã‚‚ã—ã‚webサービス開発日記
リファレンスを見ã¦ãŸã‚‰å¶ç„¶è¦‹ã¤ã‘ãŸãƒ¡ã‚½ãƒƒãƒ‰ãŒä½¿ãˆãã†ã ã£ãŸã®ã§ã¾ã¨ã‚ã¦ãŠãã¾ã™ã€‚åŒã˜viewテンプレートを複数ã®ã‚¢ã‚¯ã‚·ãƒ§ãƒ³ã§ä½¿ã„回ã™æ™‚ã«ä½¿ãˆã¾ã™ã€‚ current_page? 指定ã—ãŸURLãŒã€ç¾åœ¨è¡¨ç¤ºã•ã‚Œã¦ã„ã‚Œã°trueã‚’è¿”ã—ã¾ã™ã€‚ 例 # main#indexãªã‚‰true current_page?(:controller => "main", :action => "index") # link_to_if link_toã®ç¬¬ä¸€å¼•æ•°ã«æ¡ä»¶æ–‡ã‚’書ãã€trueãªã‚‰ãƒªãƒ³ã‚¯ã‚’有効ã«ã€falseãªã‚‰ãƒªãƒ³ã‚¯ã‚’無効ã«ï¼ˆæ–‡å—ã¯è¡¨ç¤ºã•ã‚Œã¾ã™ï¼‰ã—ã¾ã™ã€‚ 例 # @mailãŒã‚ã‚Œã°ãƒªãƒ³ã‚¯ãŒæœ‰åŠ¹ã« link_to_if(@mail, "メッセージé€ä¿¡ãƒšãƒ¼ã‚¸ã¸", :controller => "message", :action => "new") link_to_unless link_to_ifã®unl
FFã®text eventã«é–¢ã—㦠- KAYAC Engineers' Blog
å‰å›žfirebugã®Log Event機能ã«é–¢ã—ã¦ç´¹ä»‹ã—ãŸã‚“ã§ã™ãŒã€ãã®ã¨ã見ã¤ã‘ãŸã¡ã‚‡ã£ã¨é¢ç™½ã„イベントã«é–¢ã—ã¦ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ãã®ã‚¤ãƒ™ãƒ³ãƒˆã¯ã€Œtext〠ç§ã‚‚Log Eventã§è¦‹ã‚‹ã¾ã§çŸ¥ã‚‰ãªã‹ã£ãŸã‚“ã§ã™ãŒã€ã“ã‚Œã¯IMEãŒONã®æ™‚ã«keypressã®ä»£ã‚ã‚Šã«å‘¼ã°ã‚Œã‚‹ã‚ˆã†ã§ã™ã€‚ IE,safariã¯IMEãŒONã§ã‚‚keyup(or keydown)ãŒå‘¼ã°ã‚Œã‚‹ã®ã§ã™ãŒã€FFã¯IMEãŒONã®é–“ã¯keyup(or keydown)ãŒå‘¼ã°ã‚Œãªã„ã®ã§ã“ã®ã‚¤ãƒ™ãƒ³ãƒˆã¯çµæ§‹é‡è¦ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“。 ã¡ãªã¿ã«jQueryã§ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ã—ã¦æ•æ‰å¯èƒ½ã§ã™ã€‚ $(':text').bind('text', function () {console.log(this.value)});
RubyKaigi 2008 News: 1.9.1 In December, Ruby Heading For ISO Standardization
RubyKaigi 2008 News: 1.9.1 In December, Ruby Heading For ISO Standardization (Credit: june29 - photo under CC 2.0 Attribution license) RubyKaigi 2008 took place a couple of weeks ago. As the main Japanese Ruby conference, RubyKaigi is the de-facto authoritative Ruby conference, and the news that came out of the conference this year did little to shake its stature. The online enterprise news public
Fast unfolding of communities in large networks
We propose a simple method to extract the community structure of large networks. Our method is a heuristic method that is based on modularity optimization. It is shown to outperform all other known community detection method in terms of computation time. Moreover, the quality of the communities detected is very good, as measured by the so-called modularity. This is shown first by identifying langu
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人類ã®æ´å²ã¯ã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®é€²åŒ–ã®æ´å²ã§ã‚‚ã‚る。20世紀以é™ã€éƒµä¾¿ã¯åŸºæœ¬çš„ãªã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®å½¢æ…‹ã§ã‚ã£ãŸãŒã€é›»åメールã®ç™ºæ˜Žã«ã‚ˆã‚Šã€2ã¤ã®ã“ã¨ãŒå¤‰åŒ–ã—ãŸã€‚メールã®é€ä¿¡è²»ç”¨ãŒå®‰ããªã‚Šã€çž¬æ™‚ã«é…ä¿¡ã•ã‚Œã‚‹ã‚ˆã†ã«ãªã£ãŸã®ã§ã‚る。電åメールã¯ã€ä¼æ¥ã€å€‹äººã®ä¸¡æ–¹ã‹ã‚‰ã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³æ‰‹æ®µã¨ã—ã¦æ”¯æŒã•ã‚ŒãŸã€‚ ã—ã‹ã—ã€ç¾åœ¨ã€é›»åメールã¯ç«¶äº‰ã®æ¿€åŒ–ã«ç›´é¢ã—ã¦ã„る。ãƒãƒ£ãƒƒãƒˆã€ãƒ†ã‚ストメッセージã€ã€ŒTwitterã€ã€ã‚½ãƒ¼ã‚·ãƒ£ãƒ«ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã€ã•ã‚‰ã«ã¯ãƒ©ã‚¤ãƒ•ã‚¹ãƒˆãƒªãƒ¼ãƒŸãƒ³ã‚°ãƒ„ールã«ã‚ˆã‚Šã€é›»åメールã®åˆ©ç”¨ãŒæ¸›å°‘ã—ã¦ã„る。ã“ã“ã§ã¯ã€ä½•ãŒèµ·ã“ã£ã¦ã„ã‚‹ã®ã‹ã‚’確èªã—ã€é›»åメールãŒå±æ©Ÿã«ç€•ã—ã¦ã„ã‚‹ã®ã‹ã©ã†ã‹ã‚’見極ã‚よã†ã¨æ€ã†ã€‚ Twitterã®å•é¡Œ Twitterã¯ã€ãƒ‘ブリックãªãƒ–ãƒãƒ¼ãƒ‰ã‚ャスト通信ã®ã‚®ãƒ£ãƒƒãƒ—ã‹ã‚‰ã€ç”Ÿã¿å‡ºã•ã‚ŒãŸã€‚é›»åメールã§Twitterã‚’è¡Œã†ã®ã¯ã€ä¸å¯èƒ½ã§ã¯ãªã„ã¨ã—ã¦ã‚‚スマートã§ã¯ãªã„。TwitterãŒ
Show us your desktop
Objective of the study To learn how computer users use their desktops. We invite you to participate. We started collecting the data on July 3rd, 2008. Instructions (Not on Mac? See instructions for Windows and Linux) Minimize all windows or switch to an unused space. We want to see your desktop. Don't clean up anything! (or it will skew the study) We want to see a bit of randomness there! :) No, i
Debian-tips
########### Netfilter & iptables iptablesã¯NetfilterãŒä½¿ç”¨ã™ã‚‹NATã€ãƒ•ã‚£ãƒ«ã‚¿ãƒ¼å„種テーブルをè¨å®šã™ã‚‹ãƒ„ールã§ã™ ※iptablesã¯ipchainsよりも厳ã—ãã¦ã€å¤§æ–‡å—å°æ–‡å—を厳ã—ã見るã®ã§æ³¨æ„。 ãƒ»æ›¸å¼ iptables -[ADC] ãƒã‚§ã‚¤ãƒ³ ルール [オプション] iptables -[RI] ãƒã‚§ã‚¤ãƒ³ ãƒ«ãƒ¼ãƒ«ç•ªå· ãƒ«ãƒ¼ãƒ«[オプション] iptables -D ãƒã‚§ã‚¤ãƒ³ ãƒ«ãƒ¼ãƒ«ç•ªå· [オプション] iptables -[LFZ] ãƒã‚§ã‚¤ãƒ³ [オプション] iptables -[NX] ãƒã‚§ã‚¤ãƒ³ iptables -P ãƒã‚§ã‚¤ãƒ³ ターゲット [オプション] iptables -E æ—¢å˜ã®ãƒã‚§ã‚¤ãƒ³å æ–°è¦ãƒã‚§ã‚¤ãƒ³å ・æ“作 -A(Append)æ–°ã—ã„ルールã®è¿½åŠ -D(Delete)ルール削除 -R(Replace)ルールã®ç½®ãæ›ãˆ
Wassr 検索 - CEEK.JP Labs
Wassr 検索 [検索å¼] [日別投稿数] [RSS 2.0] Wassr ã«æŠ•ç¨¿ã•ã‚ŒãŸã²ã¨ã“ã¨ã‚’検索ã™ã‚‹ã‚ˆã€‚ワサãƒãƒ£ãƒ³ãƒãƒ«ã‚„ãã®ä¸ã®ãƒ’トコトã®æ¤œç´¢ã¯æ¤œè¨Žä¸ã€‚ API ã®éƒ½åˆã‚„諸事情ã§ã€å–ã‚Šã“ã¼ã—ãŒã‚ã‚‹ã‹ã‚‚ã—ã‚Œãªã„よ。API 無視ã—ã¦å…¨ãƒ‡ãƒ¼ã‚¿ã‚’å–ã‚Šã«è¡Œãã¨ã€å¤šåˆ† wassr サーãƒãŒè½ã¡ã¡ã‚ƒã†ï¼žï¼œ ã²ã¨ã“ã¨ï¼ˆå…¨837010件 1件目-20件目）
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今回ã‹ã‚‰iptablesã®å…·ä½“çš„ãªè¨å®šã‚’解説ã™ã‚‹ã€‚iptablesã®ä½¿ã„æ–¹ã¯ã‚„や複雑ã ãŒã€ç†å±ˆã‚’ç†è§£ã™ã‚Œã°é›£ã—ã„ã‚‚ã®ã§ã¯ãªã„。å‰åŠã§ç´¹ä»‹ã™ã‚‹çŸ¥è˜ã‚’利用ã—ã¦ã€ã¾ãšã¯NATを実ç¾ã—よã†ã€‚ å‰å›žã¯iptablesを使用ã™ã‚‹ãŸã‚ã®ã‚«ãƒ¼ãƒãƒ«å†æ§‹ç¯‰ã¨ãƒ«ãƒ¼ãƒ«ã®è¨è¨ˆã‚’è¡Œã„ã¾ã—ãŸã€‚ã“れを基ã«ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ã‚’構築ã—ã¦ã„ãã¾ã™ã€‚今回ã¯iptablesã®æ¦‚è¦ã¨NATã®è¨å®šã‚’è¡Œã„ã¾ã—ょã†ã€‚ ãªãŠã€å‰å›žç´¹ä»‹ã—ãŸãƒ«ãƒ¼ãƒ«ã¯ã‚ãã¾ã§ã‚‚å‚考ãªã®ã§ã€å®Ÿéš›ã«ã¯è‡ªåˆ†ã®ç’°å¢ƒã«åˆã‚ã›ã¦ä½œæˆã—ã¦ãã ã•ã„。ãŸã ã—ã€ãƒ«ãƒ¼ãƒ«ã®ä½œæˆæ–¹æ³•ã¯åŸºæœ¬çš„ã«å¤‰ã‚らãªã„ã®ã§å‚考ã«ãªã‚‹ã¨æ€ã„ã¾ã™ã€‚ iptablesã®ä»•çµ„ã¿ã¨æ©Ÿèƒ½ ã“ã‚Œã‹ã‚‰æœ¬æ ¼çš„ã«ãƒ•ã‚¡ã‚¤ã‚¢ã‚¦ã‚©ãƒ¼ãƒ«ã‚’構築ã—ã¦ã„ãã‚ã‘ã§ã™ãŒã€ãã®æ‰‹æ®µã§ã‚ã‚‹iptablesã‚’ç†è§£ã—ã¦ã„ãªã‘ã‚Œã°ç›®çš„ã‚’é”ã™ã‚‹ã“ã¨ã¯ã§ãã¾ã›ã‚“。少々回りé“ã«ãªã‚Šã¾ã™ãŒã€iptablesã«ã¤ã„ã¦å¦ã‚“ã§ãŠãã¾ã—ょã†ã€‚ iptablesã‚’ç†è§£ã™
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Gravatar Developer Docs
hudson: an extensible continuous integration engine
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