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		<title>WSDM 2012上关于社交网络的部分论文</title>
		<link>http://www.zhizhihu.com/html/y2012/3714.html</link>
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		<pubDate>Mon, 13 Feb 2012 13:48:56 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[科研]]></category>
		<category><![CDATA[Social network]]></category>
		<category><![CDATA[Twitter]]></category>
		<category><![CDATA[WSDM]]></category>
		<category><![CDATA[社交网络]]></category>

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		<description><![CDATA[本文转载自（可能得翻Qiang）：link。 标红的是Best Paper。 Please find the list of accepted papers of WSDM 2012 here. Among those accepted papers, the following papers are related to social networks: Multi-Relational Bayesian Probabilistic Ranking leveraging Social Network Data Artus Krohn-Grimberghe, Lucas Drumond, Christoph Freudenthaler and Lars Schmidt-Thieme Maximizing Product Adoption in Social Networks Smriti Bhagat, Amit Goyal and Laks [...]<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p>本文转载自（可能得翻Qiang）：<a href="http://webcache.googleusercontent.com/search?q=cache:h7rEQdNMP6cJ:cs2socialnetworks.wordpress.com/2011/12/05/wsdm-2012-accepted-on-social-networks/+&amp;cd=4&amp;hl=en&amp;ct=clnk" target="_blank">link</a>。</p>
<h3><span style="color: #ff0000;">标红的是Best Paper。</span></h3>
<p><img class="aligncenter" src="http://wsdm2012.org/img/topheader.png?1312770667" alt="http://wsdm2012.org/img/topheader.png?1312770667" width="585" height="153" /></p>
<p>Please find the list of accepted papers of WSDM 2012 here. Among those accepted papers, the following papers are related to social networks:</p>
<ul>
<li>Multi-Relational Bayesian Probabilistic Ranking leveraging Social Network Data<br />
Artus Krohn-Grimberghe, Lucas Drumond, Christoph Freudenthaler and Lars Schmidt-Thieme</li>
<li>Maximizing Product Adoption in Social Networks<br />
Smriti Bhagat, Amit Goyal and Laks V. S. Lakshmanan</li>
<li>The Life and Death of Online Groups: Predicting Group Growth and Longevity<br />
Sanjay Kairam, Dan Wang and Jure Leskovec</li>
<li>When Will It Happen? — Relationship Prediction in Heterogeneous Information Networks<br />
Yizhou Sun, Jiawei Han, Charu Aggarwal and Nitesh Chawla</li>
<li>Understanding Cyclic Trends in Social Choices<br />
Anish Das Sarma, Sreenivas Gollapudi, Rina Panigrahy and Li Zhang</li>
<li>What’s in a Hashtag? Content based Prediction of the Spread of Ideas in Microblogging Communities<br />
Oren Tsur and Ari Rappoport</li>
<li>Daily Deals: Prediction, Social Diffusion, and Reputational Ramifications<br />
John Byers, Michael Mitzenmacher and Georgios Zervas</li>
<li>Effects of User Similarity in Social Media<br />
Ashton Anderson, Dan Huttenlocher, Jon Kleinberg and Jure Leskovec</li>
<li><span style="color: #ff0000;">Finding Your Friends and Following Them to Where You Are</span><br />
Adam Sadilek and Henry Kautz</li>
<li><span style="color: #ff0000;">How to Win Friends and Influence People, Truthfully: Influence Maximization Mechanisms for Social Networks</span><br />
Yaron Singer</li>
<li>Inferring Social Ties across Heterogenous Networks<br />
Jie Tang, Tiancheng Lou and Jon Kleinberg</li>
<li>How User Behavior is Related to Social Affinity<br />
Rina Panigrahy, Marc Najork and Yinglian Xie</li>
<li>Object Matching in Tweets with Spatial Models<br />
Nilesh Dalvi, Ravi Kumar and Bo Pang</li>
<li>Exploring Social Influence via Posterior Effect of Word-of-Mouth Recommendations<br />
Junming Huang, Xue-Qi Cheng, Hua-Wei Shen, Xiaolong Jin and Tao Zhou</li>
<li>Collaborative Ranking<br />
Suhrid Balakrishnan and Sumit Chopra</li>
</ul>
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		<title>ifanr：Wolfram Alpha--Siri 背后的智能搜索引擎</title>
		<link>http://www.zhizhihu.com/html/y2012/3711.html</link>
		<comments>http://www.zhizhihu.com/html/y2012/3711.html#comments</comments>
		<pubDate>Mon, 13 Feb 2012 00:17:26 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[技术]]></category>
		<category><![CDATA[科研]]></category>
		<category><![CDATA[Siri]]></category>
		<category><![CDATA[Wolfram Alpha]]></category>
		<category><![CDATA[语音识别]]></category>
		<category><![CDATA[语音问答]]></category>

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		<description><![CDATA[本文收藏来自：来自: ifanr 爱范儿 “我的孩子总喜欢缠着我，问我离圣诞节还有几天。通常这并没有那么容易能算出来，但现在你所要做的仅仅是询问你的手机。” 四个月多前，在位于加州库比蒂诺（Cupertino）的苹果公司（Apple Inc.）总部，公司的高级副总裁 Scott Forstall 兴致勃勃地向全世界展示着他们引以为傲的智能助手 Siri。他长按手中 iPhone 4S 的 HOME 键，对着那个泛着紫色神秘光晕的话筒问道： “现在离圣诞节还有几天？” “让我查查……稍等……我为你找到了答案。” 一阵紧张的云计算过后，Scott 得到了他想要的答案：“82 天，也就是 2 个月又 21 天，也就是 11 周零 5 天，也就是 58 个工作日，也就是 0.22 年。” 就是从那一刻起，才让许多人听说了 Wolfram Alpha 这款智能搜索引擎的大名。 事实上，Wolfram Alpha 同苹果公司并没有太大的关系。它的创始人 Stephen Wolfram 将其定义为一款“专业的知识搜索引擎”。今年 52 岁的 Stephen Wolfram 是一名具有传奇色彩的科学家、软件设计师和创业者——他 15 岁时发表了自己的第一篇物理学论文，20 岁时获得加州理工学院（California Institute of Technology）的博士学位，22 岁时则被授予了美国跨领域最高奖项之一的麦克阿瑟奖（MacArthur prize）。 [...]<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p>本文收藏来自：来自: <a id="link_source2" href="http://www.ifanr.com/72573" target="_blank">ifanr 爱范儿</a></p>
<div id="news_body">
<p><a><img class="aligncenter" src="http://pic004.cnblogs.com/news/201202/20120213_081400_1.jpg" alt="bigchangecoming_main" width="600" height="375" /></a></p>
<blockquote><p>“我的孩子总喜欢缠着我，问我离圣诞节还有几天。通常这并没有那么容易能算出来，但现在你所要做的仅仅是询问你的手机。”</p></blockquote>
<p>四个月多前，在位于加州库比蒂诺（Cupertino）的苹果公司（Apple Inc.）总部，公司的高级副总裁 Scott Forstall 兴致勃勃地向全世界展示着他们引以为傲的智能助手 Siri。他长按手中 iPhone 4S 的 HOME 键，对着那个泛着紫色神秘光晕的话筒问道：</p>
<p>“现在离圣诞节还有几天？”</p>
<p>“让我查查……稍等……我为你找到了答案。”</p>
<p>一阵紧张的云计算过后，Scott 得到了他想要的答案：“82 天，也就是 2 个月又 21 天，也就是 11 周零 5 天，也就是 58 个工作日，也就是 0.22 年。”</p>
<p>就是从那一刻起，才让许多人听说了 <a href="http://www.wolframalpha.com/" target="_blank">Wolfram Alpha</a> 这款智能搜索引擎的大名。</p>
<p>事实上，Wolfram Alpha 同苹果公司并没有太大的关系。它的创始人 Stephen Wolfram 将其定义为一款“专业的知识搜索引擎”。今年 52 岁的 Stephen Wolfram 是一名具有传奇色彩的科学家、软件设计师和创业者——他 15 岁时发表了自己的第一篇物理学论文，20 岁时获得加州理工学院（California Institute of Technology）的博士学位，22 岁时则被授予了美国跨领域最高奖项之一的麦克阿瑟奖（MacArthur prize）。</p>
<p>Stephen Wolfram 在 2009 年宣布了 Wolfram Alpha 的计划，它的第一版是用约五百万行的 Mathematica 代码编写的，并且在 10000 个中央处理器上运行。2010 年，在加州的长滩市（Long Beach）的 TED 大会上，Stephen Wolfram 向众人揭示了 Wolfram Alpha 计划的缘由。</p>
<p align="center"><object width="480" height="400" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"><param name="src" value="http://player.youku.com/player.php/sid/XMzUwNTQ4NzQ4/v.swf" /><param name="allowfullscreen" value="true" /><param name="quality" value="high" /><param name="allowscriptaccess" value="always" /><embed width="480" height="400" type="application/x-shockwave-flash" src="http://player.youku.com/player.php/sid/XMzUwNTQ4NzQ4/v.swf" allowfullscreen="true" quality="high" allowscriptaccess="always" /></object></p>
<p align="center"><a href="http://v.youku.com/v_show/id_XMzUwNTQ4NzQ4.html" target="_blank">（手机用户点此）</a></p>
<p align="left">　　好了，其实你<strong>根本</strong>不需要知道这些的。你所要做的，就是将一连串的问题输入 Wolfram Alpha 的对话框，等着它以最人性化的方式将简洁规范的答案呈现给你。下面是几个例子。</p>
<ul>
<li>　　你是 NFL（美国橄榄球联盟）的忠实拥趸？想查查今年超级碗交战双方的历史战绩？</li>
</ul>
<p><a><img class="aligncenter" src="http://pic004.cnblogs.com/news/201202/20120213_081400_2.jpg" alt="1" width="600" height="375" /></a></p>
<ul>
<li>　　你是天文爱好者？想知道国际空间站此刻运行到了哪里？</li>
</ul>
<p><a><img class="aligncenter" src="http://pic004.cnblogs.com/news/201202/20120213_081400_3.jpg" alt="2" width="600" height="637" /></a></p>
<ul>
<li>　　还在用纸和笔进行数学计算吗？Wolfram Alpha 的数学、物理学运算能力足以让学生抛弃任何一款 <a href="http://education.ti.com/educationportal/sites/CHINA/productCategory/cn_graphing.html" target="_blank">TI 计算器</a>。<a><img class="aligncenter" src="http://pic004.cnblogs.com/news/201202/20120213_081401_4.jpg" alt="3" width="600" height="570" /></a></li>
</ul>
<ul>
<li>身处异国他乡，急于了解眼前的这件商品若换成是本国的货币则价值几何？Wolfram Alpha 非但会告诉你货币换算结果，甚至还会显示出这两种货币的兑换汇率的历史走势图。</li>
</ul>
<p><a><img class="aligncenter" src="http://pic004.cnblogs.com/news/201202/20120213_081401_5.jpg" alt="6" width="600" height="575" /></a></p>
<ul>
<li>又或者，当你望着窗外，犹豫着今天出门到底要不要擦防晒霜的时候，Wolfram Alpha 已经自动根据你的 IP 地址抓取到了你所在区域的实时 UV 指数。</li>
</ul>
<p><a><img class="aligncenter" src="http://pic004.cnblogs.com/news/201202/20120213_081401_6.jpg" alt="5" width="600" height="667" /></a></p>
<ul>
<li>当你问：“什么是生命、宇宙与万事万物的终极解答”的时候，没错，Wolfram Alpha 也会告诉你这个出自道格拉斯·亚当斯的小说《银河系漫游指南》的经典答案：“42。”</li>
</ul>
<p><a><img class="aligncenter" src="http://pic004.cnblogs.com/news/201202/20120213_081401_7.jpg" alt="4" width="600" height="375" /></a></p>
<p>事实证明，选择与苹果公司合作并为 Siri 提供搜索支持，属于 Wolfram Alpha 非常明智的一项决定——《纽约时报》最近的一项<a href="http://www.nytimes.com/2012/02/07/technology/wolfram-a-search-engine-finds-answers-within-itself.html" target="_blank">报道</a>指出，目前 Wolfram Alpha 处理的数据流量中有 25% 都是由 Siri 带来的。此前，Wolfram Alpha 早已与微软公司（Microsoft Corporation）建立合作关系，为搜索引擎 Bing 提供运算支持。</p>
<p>三年前当 Wolfram Alpha 面世的时候，因其“直接提供最佳解决方案而非链接”的设计初衷而被许多评论家称为“Google 杀手”并寄予厚望。为此，科技媒体 CNET 曾特地对它进行了一次<a href="http://cnettv.cnet.com/google-vs-wolfram-alpha/9742-1_53-50071934.html" target="_blank">测评</a>， 将同样的关键词分别键入 Wolfram Alpha 和 Google 的搜索栏，由反馈出来的搜索结果比较二者的优劣。结果显示，尽管在涉及到科学领域的搜索时 Wolfram Alpha 提供的计算结果更为精确和直观，而一旦转到诸如“今日影讯”之类的生活资讯类搜索范畴时，Wolfram Alpha 立刻败下阵来。</p>
<p>Wolfram Alpha 的计算概念固然让人浮想联翩，人们透过它也仿佛是看到了未来智能搜索引擎的雏形。但 Wolfram Alpha 未来将走哪一条路？是继续在小众的科学研究领域施展拳脚，还是飞入寻常百姓家去造福众生？这是关乎 Wolfram Alpha 使命和价值观的两难抉择，也是摆在 Stephen Wolfram 面前的一大难题。</p>
<p>不过，我们似乎还是能从一些事态发展上看出些许端倪。不久前，Wolfram Alpha 推出了<a href="http://www.ifanr.com/72056" target="_blank">重大更新</a>，支持了图片导入分析功能和文档导入分析功能。同时，Wolfram Alpha 在其<a href="http://blog.wolframalpha.com/" target="_blank">官方博客</a>中给出的诸如<a href="http://blog.wolframalpha.com/2012/02/02/analyzing-super-bowl-46-with-wolframalpha/" target="_blank">“超级碗数据统计”</a>、<a href="http://blog.wolframalpha.com/2012/02/06/losing-weight-with-wolframalpha/" target="_blank">“瘦身数据分析”</a>等实际案例也在向人们传达一个信息：Wolfram Alpha 正越来越贴近生活。</p>
<p>想想你现在是如何向 <a href="http://www.google.com/" target="_blank">Google</a> 提问的：打开 Google.com，键入一个问题或者若干关键词，习以为常地在搜索结果的第一项发现问答网站 <a href="http://www.quora.com/" target="_blank">Quora</a> 的链接，点击链接浏览网友的历史提问和最佳解答。渐渐地你也开始意识到，这不是对于这些问题最好的解决方案。而我们现在所能期许的，就是终有一天，能见到 一个真正脱胎换骨的 Wolfram Alpha——它将不再是 Frankenstein（科学怪人）手中的玩物，而是我们每个普通人坐言起行的生活伴侣。</p>
<p>本文题图来自 Wolfram Alpha 的<a href="http://blog.wolframalpha.com/" target="_blank">官方博客</a></p>
</div>
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		<title>张鹏：Hulu 的个性化推荐 (Personalization in Hulu)</title>
		<link>http://www.zhizhihu.com/html/y2012/3709.html</link>
		<comments>http://www.zhizhihu.com/html/y2012/3709.html#comments</comments>
		<pubDate>Sun, 12 Feb 2012 02:18:42 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[技术]]></category>
		<category><![CDATA[Hulu]]></category>
		<category><![CDATA[个性化推荐]]></category>
		<category><![CDATA[推荐系统]]></category>
		<category><![CDATA[视频推荐]]></category>

		<guid isPermaLink="false">http://www.zhizhihu.com/?p=3709</guid>
		<description><![CDATA[本文转载自张鹏的博客。 Hulu.com 是在大洋彼岸的一个小传奇。由NBC ，FOX,ABC共同出资建立，出身很传统。刚刚开始上线的时候，硅谷乃至整个IT业看好它的人并不多。人们以为这不过是旧媒体的又一次“垂死挣扎”，但很快事情向另一个方向发展—— Hulu结束测试时已拥有500万用户和无数赞美。 Hulu的流量占美国视频网站的1%，但是收入占到了33%，传统传媒人，赚钱能力果然很猛。Hulu目前靠广告生存，2010年收入2.52亿美金，预计2011年5亿美金。广告客户600+。 Hulu的团队，带有明显的技术驱色彩，70%的技术人员，采用最fashion的方式来做事情，更重要的是，虽然stem from 美国，但是是纯粹的华人团队。 Hulu影片都是正版，制作精良，比如你可以在上面看到《英雄》。有250+各种机构，为他提供内容。正是因为版权，Hulu屏蔽了大部分国外地址，很多代理服务器，amazon的EC2,因此你不能在中国看到这个网站。但是这并不妨碍我们研究他:) Hulu的郑华，在2011推荐系统峰会上面，介绍了他们的个性化推荐系统，您可以在这里下载Personalization in Hulu 相关文章个性化推荐与百分点 (3)[网摘] 新互联网时代下的新推荐 (8)分析Twitter、新浪微博、腾讯微博的用户推荐 (12)TF-IDF 以及 文本相似性度量 (15)[个性化推荐] 回忆Netflix百万美金大奖激烈之过程 (11)搜索时代->推荐时代 (6)推荐个博客-Edwin Chen&#8217;s Blog (4)纽约时报：大数据时代 (1)只在此山中，云深不知处 (0)人本计算进行音乐标注以促进推荐 (4)<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p>本文转载自<a href="http://www.hellophp.cn" target="_blank">张鹏的博客</a>。</p>
<p>Hulu.com 是在大洋彼岸的一个小传奇。由NBC ，FOX,ABC共同出资建立，出身很传统。刚刚开始上线的时候，硅谷乃至整个IT业看好它的人并不多。人们以为这不过是旧媒体的又一次“<strong>垂死挣扎</strong>”，但很快事情向另一个方向发展—— Hulu结束测试时已拥有500万用户和无数赞美。</p>
<p>Hulu的流量占美国视频网站的1%，但是收入占到了33%，传统传媒人，赚钱能力果然很猛。Hulu目前靠广告生存，2010年收入2.52亿美金，预计2011年5亿美金。广告客户600+。</p>
<p>Hulu的团队，带有明显的技术驱色彩，70%的技术人员，采用最fashion的方式来做事情，更重要的是，虽然stem from 美国，但是是纯粹的华人团队。</p>
<p><a href="http://www.hellophp.cn/wp-content/uploads/2011/03/%E5%9B%BE%E5%83%8F-1.jpg"><img class="aligncenter" title="Hulu 技术团队" src="http://www.hellophp.cn/wp-content/uploads/2011/03/%E5%9B%BE%E5%83%8F-1.jpg" alt="" width="635" height="423" /></a></p>
<p>Hulu影片都是正版，制作精良，比如你可以在上面看到《英雄》。有250+各种机构，为他提供内容。正是因为版权，Hulu屏蔽了大部分国外地址，很多代理服务器，amazon的EC2,因此你不能在中国看到这个网站。但是这并不妨碍我们研究他:)</p>
<p>Hulu的郑华，在2011推荐系统峰会上面，介绍了他们的个性化推荐系统，您可以在这里下载<a title="Personalization in Hulu" href="http://www.tbdata.org/wp-content/uploads/2011/03/Personalization-in-Hulu_%E9%83%91%E5%8D%8E.pdf">Personalization in Hulu</a></p>
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		<title>推荐个博客-Edwin Chen&#039;s Blog</title>
		<link>http://www.zhizhihu.com/html/y2012/3702.html</link>
		<comments>http://www.zhizhihu.com/html/y2012/3702.html#comments</comments>
		<pubDate>Wed, 08 Feb 2012 00:42:26 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[技术]]></category>
		<category><![CDATA[推荐系统]]></category>
		<category><![CDATA[机器学习]]></category>

		<guid isPermaLink="false">http://www.zhizhihu.com/?p=3702</guid>
		<description><![CDATA[http://blog.echen.me/ 作者Edwin Chen为MIT毕业，在Twitter任数据科学家。写的几篇总结性文章都挺不错的。 机器学习、数据挖掘相关。 相关文章纽约时报：大数据时代 (1)关于“SVD奇异值分解（Singular value decomposition）”的几篇博文 (2)机器学习开源项目mahout+用其开发推荐引擎 (3)张鹏：Hulu 的个性化推荐 (Personalization in Hulu) (1)People Counting in Video (9)Free Mind：机器学习物语(1)-世界观设定 (0)ICML2007上的两篇文章：Boosting for transfer learning和Self-taught learning (7)关于MINDS研讨会的讨论及报告下载 (3)毕业之际，弄了个机器学习交流的平台 (6)计算机视觉领域的一些牛人博客 (7)<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p><a href="http://blog.echen.me/">http://blog.echen.me/</a></p>
<p>作者Edwin Chen为MIT毕业，在Twitter任数据科学家。写的几篇总结性文章都挺不错的。</p>
<p>机器学习、数据挖掘相关。</p>
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		<title>北京北京</title>
		<link>http://www.zhizhihu.com/html/y2012/3696.html</link>
		<comments>http://www.zhizhihu.com/html/y2012/3696.html#comments</comments>
		<pubDate>Tue, 07 Feb 2012 01:19:37 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[音乐]]></category>
		<category><![CDATA[北京]]></category>
		<category><![CDATA[北漂]]></category>
		<category><![CDATA[汪峰]]></category>

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			<content:encoded><![CDATA[<div align="center"><object width="257" height="33" classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0"><param name="src" value="http://www.xiami.com/widget/0_53864/singlePlayer.swf" /><param name="wmode" value="transparent" /><embed width="257" height="33" type="application/x-shockwave-flash" src="http://www.xiami.com/widget/0_53864/singlePlayer.swf" wmode="transparent" /></object></div>
<p style="text-align: center;">--汪峰</p>
<p style="text-align: center;">当我走在这里的每一条街道<br />
我的心似乎从来都不能平静<br />
除了发动机的轰鸣和电气之音<br />
我似乎听到了它烛骨般的心跳</p>
<p style="text-align: center;">我在这里欢笑 我在这里哭泣<br />
我在这里活着 也在这死去<br />
我在这里祈祷 我在这里迷惘<br />
我在这里寻找 在这里失去<br />
北京 北京</p>
<p style="text-align: center;">咖啡馆与广场有三个街区<br />
就像霓虹灯和月亮的距离<br />
人们在挣扎中 相互告慰和拥抱<br />
寻找着 追逐着 奄奄一息的碎梦</p>
<p style="text-align: center;">我们在这欢笑 我们在这哭泣<br />
我们在这活着 也在这死去<br />
我们在这祈祷 我们在这迷惘<br />
我们在这寻找 也在这儿失去<br />
北京 北京</p>
<p style="text-align: center;">如果有一天 我不得不离去<br />
我希望 人们把我埋在这里<br />
在这我能感觉到我的存在<br />
在这有 太多让我眷恋的东西</p>
<p style="text-align: center;">我在这里欢笑 我在这里哭泣<br />
我在这里活着 也在这死去<br />
我在这里祈祷 我在这里迷惘<br />
我在这里寻找 也在这失去<br />
北京 北京</p>
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		<slash:comments>3</slash:comments>
		</item>
		<item>
		<title>自己毕业设计用到的辅助工具</title>
		<link>http://www.zhizhihu.com/html/y2012/3694.html</link>
		<comments>http://www.zhizhihu.com/html/y2012/3694.html#comments</comments>
		<pubDate>Mon, 06 Feb 2012 01:37:45 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[技术]]></category>
		<category><![CDATA[生活]]></category>
		<category><![CDATA[Tex]]></category>
		<category><![CDATA[word]]></category>
		<category><![CDATA[毕业设计]]></category>

		<guid isPermaLink="false">http://www.zhizhihu.com/?p=3694</guid>
		<description><![CDATA[博客很长时间没写了，发现不学习就没东西写。 6月份毕业，马上就要结束学校生活了。所以开始整理毕业设计，毕业设计是个大活，可以借用一些工具来提高写作的方便和效率。 写作排版是用的word，虽然tex很强大，各种管理都很方便，但是为了迎合官方模板的需要以及一些其他的用途，用了word。 （网上搜了下其他学校的tex模板，发现拿来修改成自己的模板也很方便，有必要换成tex） 用word，那么参考文献管理什么的就得有好的辅助工具进行管理。 对于参考文献的管理，我用的Endnote，写论文一直用这个，很方便。加入你要将文献A插入到文档中，那么你可以在Google Scholar中搜索A，可以对搜索进行设置Scholar Preferences从而选择Bibliography Manager为Endnote，这样你就可以直接在搜索结果的下面点集endnote将文献自动插入到你的endnote库中，稍作调整和补充（特别是对会议论文有时候得补充会议名称），使用起来很方便。只需要在endnote选择某个文献然后在word中的endnote插件下插入选择的文献即可。 Endnote样式管理很方便，包括引用以及最后文献的样式等等，都可以自己定义。 word中图片、表格、公式的自动编号问题，对于图片和表格我使用的“插入题注”，例如你想用图3-1来表示第三章第一幅图像，你可以新建题注的标签为“图3-”，然后第三章的图像都是图3-开头的，到第四章可以继续新疆标签“图4-”，表格也如此。引用的时候用交叉引用即可，也很方便，只要把一些细节稍作调整即可。 但是对于公式的编号，网上其实很多mathtype进行管理的，可以使用一下。我本来也想用题注管理，发现不是很方便，就直接人工编号了，后面有空再做做自动编号。 word排版比较繁琐，当然没有tex那么方便整洁，但是细节上调整好了，用起来也很漂亮，间距，网格什么的。 同学们写中文毕业设计都用什么工具？ 相关文章Donald Knuth Earthshaking Announcement (高德纳大消息) (8)Formal Outline Guidelines-关于论文大纲的写法 (7)这么多有意思的404页面，真有才 (37)<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p><img class="aligncenter" src="http://www.createconsultancy.org/wordpress/wp-content/uploads/broker-thesis21.jpg" alt="http://www.createconsultancy.org/wordpress/wp-content/uploads/broker-thesis21.jpg" width="495" height="495" /></p>
<p>博客很长时间没写了，发现不学习就没东西写。</p>
<p>6月份毕业，马上就要结束学校生活了。所以开始整理毕业设计，毕业设计是个大活，可以借用一些工具来提高写作的方便和效率。</p>
<p>写作排版是用的word，虽然tex很强大，各种管理都很方便，但是为了迎合官方模板的需要以及一些其他的用途，用了word。</p>
<p>（网上搜了下其他学校的tex模板，发现拿来修改成自己的模板也很方便，有必要换成tex）</p>
<p>用word，那么参考文献管理什么的就得有好的辅助工具进行管理。</p>
<p>对于参考文献的管理，我用的Endnote，写论文一直用这个，很方便。加入你要将文献A插入到文档中，那么你可以在Google Scholar中搜索A，可以对搜索进行设置<a href="http://scholar.google.com/scholar_preferences?hl=en&amp;as_sdt=0,5">Scholar Preferences</a>从而选择<span><strong>Bibliography Manager</strong></span>为Endnote，这样你就可以直接在搜索结果的下面点集endnote将文献自动插入到你的endnote库中，稍作调整和补充（特别是对会议论文有时候得补充会议名称），使用起来很方便。只需要在endnote选择某个文献然后在word中的endnote插件下插入选择的文献即可。</p>
<p>Endnote样式管理很方便，包括引用以及最后文献的样式等等，都可以自己定义。</p>
<p>word中图片、表格、公式的自动编号问题，对于图片和表格我使用的“插入题注”，例如你想用图3-1来表示第三章第一幅图像，你可以新建题注的标签为“图3-”，然后第三章的图像都是图3-开头的，到第四章可以继续新疆标签“图4-”，表格也如此。引用的时候用交叉引用即可，也很方便，只要把一些细节稍作调整即可。</p>
<p>但是对于公式的编号，网上其实很多mathtype进行管理的，可以使用一下。我本来也想用题注管理，发现不是很方便，就直接人工编号了，后面有空再做做自动编号。</p>
<p>word排版比较繁琐，当然没有tex那么方便整洁，但是细节上调整好了，用起来也很漂亮，间距，网格什么的。</p>
<p><span style="color: #ff0000;">同学们写中文毕业设计都用什么工具？</span></p>
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		<title>纽约时报：大数据时代</title>
		<link>http://www.zhizhihu.com/html/y2012/3720.html</link>
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		<pubDate>Wed, 01 Feb 2012 13:19:07 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[创业]]></category>
		<category><![CDATA[技术]]></category>
		<category><![CDATA[科研]]></category>
		<category><![CDATA[大数据]]></category>
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		<category><![CDATA[数据挖掘]]></category>
		<category><![CDATA[机器学习]]></category>

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		<description><![CDATA[文章来自36氪。 对数字在行？对数据着迷？那么你听到的是机遇的敲门声。 周 墨（音译，Mo Zhou）去年夏天刚刚完成耶鲁大学的MBA学业就被IBM抢走，加入了这家技术公司快速发展的数据顾问的队伍当中。他们帮助企业弄清楚数据爆炸的意义— Web流量、社交网络上的评论，以及监控货物、供应商及客户的软件和传感器上的数据，以提供决策指南、削减成本、拉动销售。“我一直对数字情有独钟，”周 小姐说。她是数据分析师，这个职位跟她的技能很配。 为了开发利用好这股数据洪流，美国需要大量像她这样的人。去年，咨询公司麦肯锡的的研究机构麦肯锡全球研究所进行了一项调查，调查预计，美国需要14万至19万名以上具备“深度分析”专长的人员，而对具备数据知识的经理的需求超过150万，无论是招聘的还是再培训的都行。 数 据丰富的影响延伸到商业之外。比如说Justin Grimmer就是新生代的政治学者中的一员。作为斯坦福大学的一名28岁的助理教授，他看到了“一个机遇，因为学科正变得越来越趋于数据密集”，所以在 自己的大学及研究生研究当中，他把数学运用到了政治科学里面。他的研究包括对博客发文、国会演讲以及新闻发布、新闻内容的自动计算机分析，以便深入了解政 治观念是如何被传播出去的。 其他领域，如科学、体育、广告及公共卫生，发生的故事也类似—即数据驱动发现和决策 的趋势。“这是一次革命，” 哈佛量化社会科学研究所主任Gary King说：“我们的确正在起航。不过，在庞大的新数据来源的支持下，量化的前进步伐将会踏遍学术、商业和政府领域。没有一个领域可以不被触及。” 欢迎来到大数据时代。硅谷的新宠，前有Google，后有Facebook，都是驾驭Web数据的大师—它们都擅长于给在线搜索、文章和消息披上互联网广告的外套。上个月，在瑞士达沃斯举行的世界经济论坛上，大数据是框定的主题之一。该论坛的一份报告，《大数据，大影响》，宣告了数据成为一种新型的经济资产，就像货币或者黄金一样。 里 克·斯莫兰（Rick Smolan），《生活中的一天（Day in the Life）》系列摄影的作者，正计划在今年晚些时候启动一个名为《大数据的人类面孔》的项目。斯莫兰先生是一位狂热份子，称大数据有可能成为“人类的仪表 盘”，能够作为一项智能工具帮助与贫穷、犯罪以及污染作战。隐私的倡导者则持怀疑的态度，警告说大数据就是老大哥（注：Big Data is Big Brother，看过乔治·奥威尔的《1984》的诸位对‘Big Brother’应该不会感到陌生），只不过是披上了企业的外衣。 什 么是大数据？这是一种文化基因（meme），一个营销术语，确实如此，不过也是技术领域发展趋势的一个概括，这一趋势打开了理解世界和制定决策的新办法之 门。根据技术研究机构IDC的预计，大量新数据无时不刻不在涌现，它们以每年50%的速度在增长，或者说每两年就要翻一番多。并不仅仅是数据的洪流越来越 大，而且全新的支流也会越来越多。比方说，现在全球就有无数的数字传感器依附在工业设备、汽车、电表和板条箱上。它们能够测定方位、运动、振动、温度、湿 度、甚至大气中的化学变化，并可以通信。 将这些通信传感器与计算智能连接在一起，你就能够看到所谓的物联网 （Internet of Things）或者工业互联网（Industrial Internet）的崛起。对信息访问的改善也为大数据趋势推波助澜。比如说，政府数据—就业数字等其他信息正在稳步移植到Web上。2009年，华盛顿 通过启动Data.gov进一步打开了数据之门，该网站令各种政府数据向公众开放。 数据不仅变得越来越普遍，而且对于计算机来说也变得更加可读。这股大数据浪潮当中大部分都是桀骜不驯的—都是一些像Web和那些传感数据流的文字、图像、视频那样难以控制的东西。这被称为是非结构数据，通常都不是传统数据库的腹中物。 不过，从互联网时代浩瀚的非结构数据宝藏中收获知识和洞察的计算机工具正在快速普及。处在一线的是正在迅速发展的人工智能技术，像自然语言处理、模式识别以及机器学习。 那些人工智能技术可以被应用到多个领域。比方说，Google的搜索及广告业务，还有它那已经在加州驰骋了数千英里的实验性机器人汽车， 这些都使用了一大堆的人工智能技巧。这些都是令人怯步的大数据挑战，需要解析大量的数据，并要马上做出决策。 反 过来，新数据的充裕又加速了计算的进展—这就是大数据的良性循环。比方说，机器学习算法就是从数据中学习的，数据越多，机器学得就越多。我们就拿Siri 这款苹果去年秋季引入的iPhone对话及问答应用作为例子吧。该应用的起源还要追溯到一个五角大楼的研究项目，并在随后拆分出了一家硅谷的初创企业。苹 果于2010年收购了Siri，然后不断地给它喂数据。现在，随着人们提供了数以百万计的问题，Siri正变成一位越来越老练的个人助手，为iPhone 用户提供了提醒、天气预报、饭店建议等服务，其回答的问题数如宇宙般不断膨胀。 麻省理工学院斯隆管理学院的经济学家Erik Brynjolfsson说，要想领会大数据的潜在影响，你得看看显微镜。发明于4个世纪之前的显微镜，使得人们以前所未有的水平观看和测量事物—细胞级。这是测量的一次革命。 Brynjolfsson教授解释说，数据的测量正是显微镜的现代等价物。比如说，Google的搜索，Facebook的文章以及Twitter的消息，使得在产生行为和情绪时对其进行精细地衡量成为可能。 Brynjolfsson说，在商业、经济等其他领域，决策将会越来越以数据和分析为基础，而非靠经验和直觉。“我们可以开始科学化很多了”，他评论道。 数 [...]<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p>文章来自<a title="大数据时代" href="http://www.36kr.com/p/83147.html" rel="bookmark">36氪</a>。</p>
<p align="left"><a href="http://www.zhizhihu.com/?attachment_id=83148" rel="attachment wp-att-83148"><img class="aligncenter" title="big-data_conew1" src="http://img01.36krcnd.com/wp-content/uploads/2012/02/big-data_conew1.jpg" alt="" width="640" height="480" /></a></p>
<p align="left">对数字在行？对数据着迷？那么你听到的是机遇的敲门声。</p>
<p align="left">周 墨（音译，Mo Zhou）去年夏天刚刚完成耶鲁大学的MBA学业就被IBM抢走，加入了这家技术公司快速发展的数据顾问的队伍当中。他们帮助企业弄清楚数据爆炸的意义— Web流量、社交网络上的评论，以及监控货物、供应商及客户的软件和传感器上的数据，以提供决策指南、削减成本、拉动销售。“我一直对数字情有独钟，”周 小姐说。她是数据分析师，这个职位跟她的技能很配。</p>
<p align="left">为了开发利用好这股数据洪流，美国需要大量像她这样的人。去年，咨询公司麦肯锡的的研究机构<a href="http://www.mckinsey.com/Features/Big_Data" rel="external nofollow" target="_blank">麦肯锡全球研究所</a>进行了一项调查，调查预计，美国需要14万至19万名以上具备“深度分析”专长的人员，而对具备数据知识的经理的需求超过150万，无论是招聘的还是再培训的都行。</p>
<p align="left">数 据丰富的影响延伸到商业之外。比如说Justin Grimmer就是新生代的政治学者中的一员。作为斯坦福大学的一名28岁的助理教授，他看到了“一个机遇，因为学科正变得越来越趋于数据密集”，所以在 自己的大学及研究生研究当中，他把数学运用到了政治科学里面。他的研究包括对博客发文、国会演讲以及新闻发布、新闻内容的自动计算机分析，以便深入了解政 治观念是如何被传播出去的。</p>
<p align="left">其他领域，如科学、体育、广告及公共卫生，发生的故事也类似—即数据驱动发现和决策 的趋势。“这是一次革命，” 哈佛量化社会科学研究所主任Gary King说：“我们的确正在起航。不过，在庞大的新数据来源的支持下，量化的前进步伐将会踏遍学术、商业和政府领域。没有一个领域可以不被触及。”</p>
<p align="left">欢迎来到大数据时代。硅谷的新宠，前有Google，后有Facebook，都是驾驭Web数据的大师—它们都擅长于给在线搜索、文章和消息披上互联网广告的外套。上个月，在瑞士达沃斯举行的世界经济论坛上，大数据是框定的主题之一。该论坛的一份报告，《<a href="http://www.weforum.org/reports/big-data-big-impact-new-possibilities-international-development" rel="external nofollow" target="_blank">大数据，大影响</a>》，宣告了数据成为一种新型的经济资产，就像货币或者黄金一样。</p>
<p align="left">里 克·斯莫兰（Rick Smolan），《生活中的一天（Day in the Life）》系列摄影的作者，正计划在今年晚些时候启动一个名为《大数据的人类面孔》的项目。斯莫兰先生是一位狂热份子，称大数据有可能成为“人类的仪表 盘”，能够作为一项智能工具帮助与贫穷、犯罪以及污染作战。隐私的倡导者则持怀疑的态度，警告说大数据就是老大哥（注：Big Data is Big Brother，看过乔治·奥威尔的《1984》的诸位对‘Big Brother’应该不会感到陌生），只不过是披上了企业的外衣。</p>
<p align="left">什 么是大数据？这是一种文化基因（meme），一个营销术语，确实如此，不过也是技术领域发展趋势的一个概括，这一趋势打开了理解世界和制定决策的新办法之 门。根据技术研究机构IDC的预计，大量新数据无时不刻不在涌现，它们以每年50%的速度在增长，或者说每两年就要翻一番多。并不仅仅是数据的洪流越来越 大，而且全新的支流也会越来越多。比方说，现在全球就有无数的数字传感器依附在工业设备、汽车、电表和板条箱上。它们能够测定方位、运动、振动、温度、湿 度、甚至大气中的化学变化，并可以通信。</p>
<p align="left">将这些通信传感器与计算智能连接在一起，你就能够看到所谓的物联网 （Internet of Things）或者工业互联网（Industrial Internet）的崛起。对信息访问的改善也为大数据趋势推波助澜。比如说，政府数据—就业数字等其他信息正在稳步移植到Web上。2009年，华盛顿 通过启动<a href="http://www.data.gov/" rel="external nofollow" target="_blank">Data.gov</a>进一步打开了数据之门，该网站令各种政府数据向公众开放。</p>
<p align="left">数据不仅变得越来越普遍，而且对于计算机来说也变得更加可读。这股大数据浪潮当中大部分都是桀骜不驯的—都是一些像Web和那些传感数据流的文字、图像、视频那样难以控制的东西。这被称为是非结构数据，通常都不是传统数据库的腹中物。</p>
<p align="left">不过，从互联网时代浩瀚的非结构数据宝藏中收获知识和洞察的计算机工具正在快速普及。处在一线的是正在迅速发展的人工智能技术，像自然语言处理、模式识别以及机器学习。</p>
<p align="left">那些人工智能技术可以被应用到多个领域。比方说，Google的搜索及广告业务，还有它那已经在加州驰骋了数千英里的实验性机器人汽车， 这些都使用了一大堆的人工智能技巧。这些都是令人怯步的大数据挑战，需要解析大量的数据，并要马上做出决策。</p>
<p align="left">反 过来，新数据的充裕又加速了计算的进展—这就是大数据的良性循环。比方说，机器学习算法就是从数据中学习的，数据越多，机器学得就越多。我们就拿Siri 这款苹果去年秋季引入的iPhone对话及问答应用作为例子吧。该应用的起源还要追溯到一个五角大楼的研究项目，并在随后拆分出了一家硅谷的初创企业。苹 果于2010年收购了Siri，然后不断地给它喂数据。现在，随着人们提供了数以百万计的问题，Siri正变成一位越来越老练的个人助手，为iPhone 用户提供了提醒、天气预报、饭店建议等服务，其回答的问题数如宇宙般不断膨胀。</p>
<p align="left">麻省理工学院斯隆管理学院的经济学家Erik Brynjolfsson说，要想领会大数据的潜在影响，你得看看显微镜。发明于4个世纪之前的显微镜，使得人们以前所未有的水平观看和测量事物—细胞级。这是测量的一次革命。</p>
<p align="left">Brynjolfsson教授解释说，数据的测量正是显微镜的现代等价物。比如说，Google的搜索，Facebook的文章以及Twitter的消息，使得在产生行为和情绪时对其进行精细地衡量成为可能。</p>
<p align="left">Brynjolfsson说，在商业、经济等其他领域，决策将会越来越以数据和分析为基础，而非靠经验和直觉。“我们可以开始科学化很多了”，他评论道。</p>
<p align="left">数 据优先的思考是有回报的，这方面存在着大量的轶事证据。最出名的仍属《点球成金（Moneyball）》，这本迈克尔·路易斯（Michael Lewis）2003年出的书，记录了预算很少的奥克兰运动家队（Oakland A）如何利用数据和晦涩难懂的棒球统计识别出被低估的球员的故事。大量的数据分析不仅已成为棒球的标准，在其他体育运动中亦然，包括英式足球在内，且在去 年由布拉德·皮特（Brad Pitt）主演的同名电影上映之前老早就这么做了。</p>
<p align="left">零售商，如沃尔玛和Kohl’s，则分析销售、定价和经济、人口、天气方面的数据来为特定的门店选择合适的产品，并确定降价的时机。物流公司，如UPS，挖掘货车交付时间和交通模式方面的数据以调整路线。</p>
<p align="left">而 在线约会服务，像Match.com，则不断仔细查看其上个人特点、反应以及沟通的Web列表以便改进男女配对约会的算法。在纽约警察局的领导之下，美国 全国的警察局都在使用计算机化的地图，并对诸如历史犯罪模式、发薪日、体育活动、降雨及假日等变量进行分析，以期预测出有可能的犯罪“热点”，并在那些地 方预先部署警力。</p>
<p align="left">Brynjolfsson教授与另外两位同事一道进行的研究于去年公布，研究认为，由数据来指 导管理正在美国的整个企业界扩散并开始取得成效。他们研究了179家大型的公司后发现，那些采用“数据驱动决策制定”者其获得的生产力要比通过其他因素进 行解释所获得的高出5到6个百分点。</p>
<p align="left">大数据的预测能力也正在被探索中，并在公共卫生、经济发展及经济预测等领域 有获得成功的希望。研究人员已发现，Google搜索请求中诸如“流感症状”和“流感治疗”之类的关键词出现的高峰要比一个地区医院急诊室流感患者增加出 现的时间早两三个星期（而急诊室的报告往往要比浏览慢两个星期左右）。</p>
<p align="left"><a href="http://www.unglobalpulse.org/" rel="external nofollow" target="_blank">全球脉动（Global Pulse）</a>， 这项由联合国新发起的行动计划，希望大数据能对全球的发展起到杠杆作用。该组织将会用自然语言破译软件对社交网络中的消息以及短信进行所谓的情绪分析—以 帮助预测出特定地区失业、开支缩减或疾病爆发的情况。其目标是使用数字化的预警信号来预先指导援助计划，比方说，预防一个地区出现倒退回贫困的情况。</p>
<p align="left">研究表明，在经济预测方面，Google上房产相关搜索量的增减趋势相对于地产经济学家的预测而言是一个更加准确的预言者。美联储，还有其他者均注意到了这一点。去年7月，美国国家经济研究局主持了一个题为“大数据的机遇”的研讨会，探讨其对经济专业的影响。</p>
<p> 大 数据已经转变了对社会网络如何运转的研究。在上世纪六十年代，在一次著名的社会关系实验中，哈佛大学的米尔格兰姆（Stanley Milgram）利用包裹作为其研究媒介。他把包裹发往美国中西部的志愿者，指导他们将包裹发给波士顿的陌生人，但不是直接发过去；参与者只能将包裹发给 自己认识的某个人。包裹易手的次数平均值少得不同寻常，大概只有6次。这就是“小世界现象”的一个经典体现，由此也形成了一个流行语“六度分隔”。</p>
<p align="left">今天，社交网络研究包括了发掘巨量的在线集体行为的数字数据集。其中的发现包括：你认得但不常联系的人—也即社会学上称为“弱联系”的人，是职位空缺内部消息的最佳来源。他们在一个略微不同于你的密友圈的社交世界中穿梭，所以能够看到一些你和自己最好的朋友看不到的机会。</p>
<p align="left">研 究人员能够看出影响的模式，可以知道某个主题的交流什么时候最热—就拿跟踪Twitter的标签趋势来说吧。这个在线的透明玻璃鱼缸就是观摩巨量人群实时 行为的一扇窗口。“我需要理解某项活动的爆发，我在数据中寻找热点，”康奈尔大学的Jon Kleinberg教授说：“你只能通过大数据才能做到这一点。”</p>
<p align="left">诚然，大数据自身也存在风险。统计学者和计算 机科学家指出，巨量数据集和细颗粒度的测量会导致出现“错误发现”的风险增加。斯坦福大学的统计学教授特Trevor Hastie说，在大规模的数据干草堆中寻找一根有意义的针，其麻烦在于“许多稻草看起来也像针（注：呵呵，看起来这比大海捞针还要困难，因为千人一 面）”。</p>
<p align="left">大数据还为恶搞统计和带偏见的实情调查研究提供了更多的原材料。这就是老花招—事实我已经知道了，现在让我们来把它们给找出来吧，的新诀窍—高科技。乔治梅森大学的数学家Rebecca Goldin说，这就是“数据利用最有害的方式之一。”</p>
<p align="left">在 利用计算机及数学模型的情况下，我们已经驯服和理解了数据。这些模型，正如文学之隐喻，是一种解释的简化。它们对于理解是很有用的，不过也存在局限性。隐 私倡导者警告说，根据在线调查，模型有可能推导出一种不公平或带歧视性的相关性及统计推断，从而影响到某人的产品、银行贷款及医疗保险。</p>
<p align="left">尽管存在这些告诫，但大势似乎已经不可逆转。数据已在驾驶位就坐。它就在那里，它是有用的，是有价值的，甚至还很时尚。</p>
<p align="left">资 深数据分析师，长久以来朋友一听到他们谈自己工作就感到厌烦的人，现在却突然变得对他们好奇起来。这些分析师称，此乃拜《点球成金》之所赐，不过实际情况 远非如此。“文化改变了”，哥伦比亚大学的统计及政治科学家Andrew Gelman说：“大家认为数字和统计有趣，好玩。现在它是很酷的东西了。”</p>
<p align="left">Via:<a href="http://www.nytimes.com/2012/02/12/sunday-review/big-datas-impact-in-the-world.html?_r=1&amp;pagewanted=all" rel="external nofollow" target="_blank">Nytimes</a></p>
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		<title>丕子给您拜年</title>
		<link>http://www.zhizhihu.com/html/y2012/3692.html</link>
		<comments>http://www.zhizhihu.com/html/y2012/3692.html#comments</comments>
		<pubDate>Sun, 22 Jan 2012 12:00:34 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[生活]]></category>
		<category><![CDATA[丕子]]></category>
		<category><![CDATA[龙年]]></category>

		<guid isPermaLink="false">http://www.zhizhihu.com/?p=3692</guid>
		<description><![CDATA[新的一年了，祝各位身体健康，学业有成，工作顺利。 也感谢各位2011年给予丕子的帮助，丕子还有很多很多不足，希望多指点帮助。 谢谢。 龙年大吉。 相关文章[人生悲剧] 发现自己的名字让Google屏蔽了 (30)[读后感] 臧哥《像蛇一样成长》第一部 (9)<table class="wumii-related-items" cellspacing="0" cellpadding="2" border="0" width="100%" style="clear: both;">
    
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                        <font size="-1" color="#333333" style="line-height: 1.65em; font-size: 12px !important;">[读后感] 臧哥《像蛇一样成长》第一部</font>
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			<content:encoded><![CDATA[<p><img class="aligncenter" src="http://a0.att.hudong.com/17/72/01300000287294122658720907411.jpg" alt="http://a0.att.hudong.com/17/72/01300000287294122658720907411.jpg" width="462" height="454" /></p>
<p>新的一年了，祝各位身体健康，学业有成，工作顺利。</p>
<p>也感谢各位2011年给予丕子的帮助，丕子还有很多很多不足，希望多指点帮助。</p>
<p>谢谢。</p>
<p>龙年大吉。</p>
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</table><h2  class="related_post_title">相关文章</h2><ul class="related_post"><li><a href="http://www.zhizhihu.com/html/y2010/1495.html" title="[人生悲剧] 发现自己的名字让Google屏蔽了">[人生悲剧] 发现自己的名字让Google屏蔽了</a> (30)</li><li><a href="http://www.zhizhihu.com/html/y2010/1430.html" title="[读后感] 臧哥《像蛇一样成长》第一部">[读后感] 臧哥《像蛇一样成长》第一部</a> (9)</li></ul>]]></content:encoded>
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		<title>陶哲轩等四人获2012年度克拉福德奖</title>
		<link>http://www.zhizhihu.com/html/y2012/3690.html</link>
		<comments>http://www.zhizhihu.com/html/y2012/3690.html#comments</comments>
		<pubDate>Sat, 21 Jan 2012 01:52:49 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[科研]]></category>
		<category><![CDATA[Crafoord Prize]]></category>
		<category><![CDATA[Tao]]></category>
		<category><![CDATA[陶哲轩]]></category>

		<guid isPermaLink="false">http://www.zhizhihu.com/?p=3690</guid>
		<description><![CDATA[来自Solidot： 瑞典皇家科学院宣布了2012年度克拉福德奖（Crafoord Prize）获奖者，该奖项轮流授予数学、天文学、地球科学和生物科学学科领域的杰出贡献者，今年是数学和天文学。 今年的数学学科获奖者是：普林斯顿高等研究院的比利时数学家Jean Bourgain，加州洛杉矶分校（UCLA）的澳大利亚华裔数学家陶哲轩，两人都获得过菲尔茨奖（分别是在1994年和2006年）。陶哲轩最为知名的 成就是在2004年与本·格林发表的Green-Tao Theorem，证明存在任意长的素数等差数列；以及压缩感知方面的创新研究。Bourgain的成就是证明了多个非线性偏微分方程的适定性结论，如量子 力学薛定谔方程式和波动柯氏方程。天文学科获奖者为德国马克斯·普朗克外星生物物理研究院的Reinhard Genze和UCLA的Andrea Ghez，两人在超大质量黑洞研究上可谓一时瑜亮。 最热文章留言板 (426)博客头上的格子开始征集格友了！ (242)关于我 (89)向做研究的人员推荐一个网站 (45)你有没有感觉到国内的各大微博正在悄悄“变化”？ (40)无锡的空气和排骨 (39)wordpress3.0头像无法显示的解决办法 (39)发现一个Email保护的小工具 (38)这么多有意思的404页面，真有才 (37)2010世界杯小组出线队伍，一些国外网站的预测结果 (37)<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p>来自Solidot：</p>
<p><img class="aligncenter" src="http://www.iitp.ru/upload/content/311/crafsm.JPG" alt="http://www.iitp.ru/upload/content/311/crafsm.JPG" /></p>
<p>瑞典皇家科学院<a href="http://news.sciencemag.org/scienceinsider/2012/01/crafoord-prizes-announced.html">宣布了</a>2012年度克拉福德奖（Crafoord Prize）获奖者，该奖项轮流授予数学、天文学、地球科学和生物科学学科领域的杰出贡献者，今年是数学和天文学。<em> </em></p>
<p>今年的数学学科获奖者是：普林斯顿高等研究院的比利时数学家Jean Bourgain，加州洛杉矶分校（UCLA）的澳大利亚华裔数学家陶哲轩，两人都获得过菲尔茨奖（分别是在1994年和2006年）。陶哲轩最为知名的 成就是在2004年与本·格林发表的Green-Tao Theorem，证明存在任意长的素数等差数列；以及压缩感知方面的创新研究。Bourgain的成就是证明了多个非线性偏微分方程的适定性结论，如量子 力学薛定谔方程式和波动柯氏方程。天文学科获奖者为德国马克斯·普朗克外星生物物理研究院的Reinhard Genze和UCLA的Andrea Ghez，两人在超大质量黑洞研究上可谓一时瑜亮。</p>
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		<title>KDD Cup 2012：社交计算和计算广告学</title>
		<link>http://www.zhizhihu.com/html/y2012/3686.html</link>
		<comments>http://www.zhizhihu.com/html/y2012/3686.html#comments</comments>
		<pubDate>Thu, 19 Jan 2012 02:11:00 +0000</pubDate>
		<dc:creator>丕子</dc:creator>
				<category><![CDATA[技术]]></category>
		<category><![CDATA[KDD Cup]]></category>
		<category><![CDATA[社交计算]]></category>
		<category><![CDATA[计算广告学]]></category>

		<guid isPermaLink="false">http://www.zhizhihu.com/?p=3686</guid>
		<description><![CDATA[都是很新潮的东西，都是近两年开始疯狂的东西。 大赛腾讯赞助，weibo当然也是腾讯微博。 KDD Cup 2012: User Modeling based on Microblog Data and Search Click Data This year's KDD Cup is sponsored by Tencent Inc., which is China's largest Internet company in terms of active users (over 700 Million users as of Jan. 2012). Tencent Inc. owns a full portfolio of popular products including instance messaging, [...]<table class="wumii-related-items" cellspacing="0" cellpadding="3" border="0"  style="clear: both;">
    
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			<content:encoded><![CDATA[<p>都是很新潮的东西，都是近两年开始疯狂的东西。</p>
<p>大赛腾讯赞助，weibo当然也是腾讯微博。</p>
<p><img class="aligncenter" src="http://kdd.org/kdd2012/images/banner_v6.jpg" alt="http://kdd.org/kdd2012/images/banner_v6.jpg" width="689" height="124" /></p>
<div>
<h2 style="text-align: center;">KDD Cup 2012:<br />
User Modeling based on Microblog Data and Search Click Data</h2>
<p style="text-align: center;"><a href="http://www.tencent.com/en-us/"> <img src="http://kdd.org/kdd2012/images/sponsors/tencent.png" alt="tencent" width="150" /></a></p>
<p>This year's KDD Cup is sponsored by Tencent Inc., which is China's largest Internet company in terms of active users (over 700 Million users as of Jan. 2012). Tencent Inc. owns a full portfolio of popular products including instance messaging, email, and news portal, search engine, online games, blogging and micro-blogging in China, offering a rich opportunity to build user models for highly effective user intent prediction and result recommendation. This year's KDD Cup consists of two separate tasks.</p>
</div>
<h3>Task 1. Social Network Mining on Microblogs (Weibo)</h3>
<div>Tencent Weibo (<a href="http://t.qq.com/">http://t.qq.com/</a>) offers a wealth of social-networking information. For the 2012 KDD Cup, the released data represents a sampled snapshot of the Tencent Weibo users' preferences for various items - the recommendation to users and follow-relation history. In addition, items are tied together within a hierarchy. That is, each person, organization or group belongs to specific categories, and a category belongs to higher-level categories. In the competition, both users and items (person, organizations and groups) are represented as anonymous numbers that are made meaningless, so that no identifying information is revealed. The data consists of 10 million users and 50,000 items, with over 300 million recommendation records and about three million social-networking "following" actions. Items are linked together within a defined hierarchy, and the privacy-protected user information is very rich as well. The data has timestamps on user activities.Task 1 is to predict which users a given user will follow, among all potential users.</div>
<h3>Task 2. User Click Modeling based on Search Engine Log Data</h3>
<div>
<p>Online advertising has been the financial support of the Internet industry for years. Three successful kinds of computational ad systems are search ad, contextual ad and social networking ad systems. Search ads systems retrieve and rank ads given a query, and display result ads together with results from the search engine. Once a user clicks on an ad, the advertiser pays the search engine for its help on promotion. The ranking of ads is to maximize users' satisfaction, advertisers' return-on-investment and search engine's revenue. Contextual ad systems involve an additional role, the publishers, who own Internet properties like Web sites, forums or mobile apps. Programs embedded in these properties request ads from ad systems. The ad system finds ads that semantically match content of the properties. Recently, a third kind of computational ad systems is gaining popularity, including social network ads, gained a lot of attention, where the ad system ranks ads with consideration of social relationship.In all aforementioned systems, a key algorithmic component is to predict the click-through rate (pCTR) of ads. This is because all such systems optimize monetization under the supervision of economic rules (e.g., General Second Price auction, the one behind Google AdWords and others); and these rules require ads pCTR values to rank ads and to price clicks. The closer the pCTR to the truth, the more effective the monetization would be. The use of user information, including demographics and historical behaviors on search engines, e-business platforms, social networks, and micro-blogs, is likely valuable to improve the accuracy of ads pCTR in all above systems.Task 2's aim is to accurately predict the ads' click-through rate in online computational ad systems.</p>
</div>
<div>Dates</div>
<p><strong>57</strong> days and <strong>05</strong>hours left before the competition begins.</p>
<table>
<tbody>
<tr>
<td>Feb 20, 2012</td>
<td>Competition announcement linked to KDD official site</td>
</tr>
<tr>
<td>Mar 1, 2012</td>
<td>Registration opens (dataset ready for the public)</td>
</tr>
<tr>
<td>Mar 15, 2012</td>
<td>Competition begins</td>
</tr>
<tr>
<td>Jun 1, 2012</td>
<td>Competition ends (submission deadline)</td>
</tr>
<tr>
<td>Jun 5, 2012</td>
<td>Results compiled</td>
</tr>
<tr>
<td>Jun 8, 2012</td>
<td>Winners notified</td>
</tr>
<tr>
<td>Aug 12, 2012</td>
<td>Workshop</td>
</tr>
</tbody>
</table>
<p><span style="color: #ff0000;">*</span>Note that this is only an initial announcement. Stay tuned for more detailed announcements.</p>
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