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SIGIR
2009
ACM
16 years 1 months ago
Multiple approaches to analysing query diversity
In this paper we examine user queries with respect to diversity: providing a mix of results across different interpretations. Using two query log analysis techniques (click entrop...
Paul Clough, Mark Sanderson, Murad Abouammoh, Serg...
SOUPS
2009
ACM
16 years 1 months ago
Personal choice and challenge questions: a security and usability assessment
Challenge questions are an increasingly important part of mainstream authentication solutions, yet there are few published studies concerning their usability or security. This pap...
Mike Just, David Aspinall
VRST
2009
ACM
16 years 1 months ago
Indexing and retrieval of human motion data by a hierarchical tree
For the convenient reuse of large-scale 3D motion capture data, browsing and searching methods for the data should be explored. In this paper, an efficient indexing and retrieval...
Shuangyuan Wu, Zhaoqi Wang, Shihong Xia
WIKIS
2009
ACM
16 years 1 months ago
The singularity is not near: slowing growth of Wikipedia
Prior research on Wikipedia has characterized the growth in content and editors as being fundamentally exponential in nature, extrapolating current trends into the future. We show...
Bongwon Suh, Gregorio Convertino, Ed H. Chi, Peter...
CGO
2008
IEEE
16 years 1 months ago
Branch-on-random
We propose a new instruction, branch-on-random, that is like a standard conditional branch, except rather than specifying the condition on which the branch should be taken, it spe...
Edward Lee, Craig B. Zilles