756 search results - page 80 / 152 » Leveraging the CAPTCHA Problem |
KDD
2006
ACM
14 years 9 months ago
2006
ACM
The top web search result is crucial for user satisfaction with the web search experience. We argue that the importance of the relevance at the top position necessitates special h...
KDD
2006
ACM
14 years 9 months ago
2006
ACM
In this work we focus on the problem of frequent itemset mining on large, out-of-core data sets. After presenting a characterization of existing out-of-core frequent itemset minin...
KDD
2006
ACM
14 years 9 months ago
2006
ACM
Let R be a set of objects. An object o R is an outlier, if there exist less than k objects in R whose distances to o are at most r. The values of k, r, and the distance metric ar...
KDD
2004
ACM
14 years 9 months ago
2004
ACM
Extracting sentiments from unstructured text has emerged as an important problem in many disciplines. An accurate method would enable us, for example, to mine online opinions from ...
CHI
2005
ACM
14 years 9 months ago
2005
ACM
There is growing interest in technologies that support user experiences emphasizing aesthetic satisfaction and enjoyment rather than task accomplishment. Evaluating such experienc...