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SIGIR
2004
ACM
16 years 4 days ago
A formal study of information retrieval heuristics
Empirical studies of information retrieval methods show that good retrieval performance is closely related to the use of various retrieval heuristics, such as TF-IDF weighting. On...
Hui Fang, Tao Tao, ChengXiang Zhai
AIME
2009
Springer
15 years 10 months ago
Data-Efficient Information-Theoretic Test Selection
We use the concept of conditional mutual information (MI) to approach problems involving the selection of variables in the area of medical diagnosis. Computing MI requires estimate...
Marianne Mueller, Rómer Rosales, Harald Ste...
AAAI
2008
15 years 9 months ago
Expectation-Based Versus Potential-Aware Automated Abstraction in Imperfect Information Games: An Experimental Comparison Using
ion-Based Versus Potential-Aware Automated Abstraction in Imperfect Information Games: An Experimental Comparison Using Poker Andrew Gilpin and Tuomas Sandholm Computer Science Dep...
Andrew Gilpin, Tuomas Sandholm
CCS
2008
ACM
15 years 8 months ago
Stale-safe security properties for group-based secure information sharing
Attribute staleness arises due to the physical distribution of authorization information, decision and enforcement points. This is a fundamental problem in virtually any secure di...
Ram Krishnan, Jianwei Niu, Ravi S. Sandhu, William...
ECEH
2007
98views Healthcare» more  ECEH 2007»
15 years 8 months ago
Integrating Context Information in a Mobile Environment using the eSana Framework
: Mobile devices are becoming ubiquitous in everyday’s life, their popularity and place independence are reasons for using these devices in different areas. One such area is elec...
Marco Savini, Henrik Stormer, Andreas Meier