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ECSQARU
2007
Springer
15 years 10 months ago
Approaches to Constructing a Stratified Merged Knowledge Base
Many merging operators have been proposed to merge either flat or stratified knowledge bases. The result of merging by such an operator is a flat base (or a set of models of the me...
Anbu Yue, Weiru Liu, Anthony Hunter
SIGIR
2010
ACM
15 years 10 months ago
Estimating advertisability of tail queries for sponsored search
Sponsored search is one of the major sources of revenue for search engines on the World Wide Web. It has been observed that while showing ads for every query maximizes shortterm r...
Sandeep Pandey, Kunal Punera, Marcus Fontoura, Van...
SIGIR
2010
ACM
15 years 10 months ago
Estimation of statistical translation models based on mutual information for ad hoc information retrieval
As a principled approach to capturing semantic relations of words in information retrieval, statistical translation models have been shown to outperform simple document language m...
Maryam Karimzadehgan, ChengXiang Zhai
SP
2010
IEEE
192views Security Privacy» more  SP 2010»
15 years 10 months ago
How Good Are Humans at Solving CAPTCHAs? A Large Scale Evaluation
—Captchas are designed to be easy for humans but hard for machines. However, most recent research has focused only on making them hard for machines. In this paper, we present wha...
Elie Bursztein, Steven Bethard, Celine Fabry, John...
ATAL
2006
Springer
15 years 9 months ago
Social coordination without communication in multi-agent territory exploration tasks
In the recent past, several different methods for coordinating behavior in multi-robot teams have been proposed. Common to most of them is the use of communication to coordinate b...
Paul W. Schermerhorn, Matthias Scheutz