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	<title>Resys China &#187; KDDCup</title>
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	<description>all about recommender systems</description>
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		<title>KDD Cup2010:教育方面的数据挖掘竞赛</title>
		<link>http://www.resyschina.com/2010/03/kdd-cup2010-educational-dm-challenge.html</link>
		<comments>http://www.resyschina.com/2010/03/kdd-cup2010-educational-dm-challenge.html#comments</comments>
		<pubDate>Thu, 25 Mar 2010 10:12:43 +0000</pubDate>
		<dc:creator>yoyo</dc:creator>
				<category><![CDATA[电子杂志]]></category>
		<category><![CDATA[算法学术]]></category>
		<category><![CDATA[KDDCup]]></category>

		<guid isPermaLink="false">http://www.resyschina.com/?p=32</guid>
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</table>]]></description>
			<content:encoded><![CDATA[<p><img class="alignleft" title="KDD Cup2010" src="http://www.kdnuggets.com/images/cup.jpg" alt="" width="154" height="195" /> KDD Cup由SIGKDD(ACM Special Interest Group on Knowledge Discovery and Data Mining)组织。每年一次的KDD Cup，和SIGKDD国际会议同期举行。同时面向学术界和产业界。</p>
<p>今年KDD Cup的主要内容是通过智能辅导教学系统和学生交互的日志预测学生数学题的成绩。这次的任务是一次有趣的科技挑战，兼具实践重要性和科学趣味性。</p>
<p>任务描述：<br />
竞赛开始时，将提供5个数据集：3个开发数据集和2个挑战数据集。每个数据集都被分为训练部分和测试部分。在挑战数据集的测试部分中学生成绩分类将被隐藏起来，但在开发数据集中学生成绩分类都是可见的。竞赛任务要求开发出一种基于挑战/开发数据集的学习模型，使用这种算法通过学习挑战数据集训练部分的数据，可以准确预测学生在测试部分的成绩。竞赛最终的优胜者取决于他们的模型在挑战数据集中一个不可见部分的表现。最终成绩以各队挑战数据集的最后一次提交为准。</p>
<p>时间安排：<br />
3月15日 召集参与者<br />
4月1日  比赛开始<br />
6月1日  比赛结束</p>
<p>更多信息，<a href="https://pslcdatashop.web.cmu.edu/KDDCup/">https://pslcdatashop.web.cmu.edu/KDDCup/</a></p>
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