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Roger Chen

UBC Academic Search - Another Impact Factor Metric - <i>W-index</i> - 0 views

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    A new index measuring a scientist's impact in his/her field has been developed called the Wu index or w-index. Developed by Qiang Wu from the University of Science and Technology of China in Hefei, it was published as The w-index: A significant improvement of the h-index in this week's Physics arxiv.
Roger Chen

Geeking with Greg: Finding the location of interests and objects from search logs - 0 views

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    A paper at WWW 2008, "Spatial Variation in Search Engine Queries" (PDF), by Lars Backstrom, Jon Kleinberg, Ravi Kumar, and Jasmine Novak offered many clever examples of using where people are when they do a web search both to determine when interest in a topic is geographically isolated and to estimate the physical location of objects.
Roger Chen

Recommendation Nation - Learning to love customers like you. - 0 views

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    The focus of digital personalization has shifted from what I am interested in now to what I might be interested in next.
Roger Chen

Word Count as a Measure of Quality on Wikipedia-Beyond Search - 0 views

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    刚刚结束的 WWW2008 会议里有一篇 short paper,《Size Matters: Word Count as a Measure of Quality on Wikipedia》。里面给出了一个令人吃惊的实验结果,在进行 Wikipedia 的文章质量评价时,仅仅只需要使用"Word Count"一个参数,就可以取得 96.31% 的准确率!这个结果,比许多使用复杂模型的算法,都要好!
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