4589 search results - page 572 / 918 » A new evaluation measure for information retrieval systems |
183
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SACMAT
2003
ACM
16 years 4 days ago
2003
ACM
Traditional access control mechanisms rely on a reference monitor to mediate access to protected resources. Reference monitors are inherently centralized and existing attempts to ...
218
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
The reasoning tasks that can be performed with semantic web service descriptions depend on the quality of the domain ontologies used to create these descriptions. However, buildin...
169
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AMS
2005
Springer
16 years 13 days ago
2005
Springer
Abstract. This paper describes the extension of a behaviour-based control system for autonomous outdoor navigation. To perform robust obstacle avoidance the existing stereo vision ...
177
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GROUP
2009
ACM
16 years 1 months ago
2009
ACM
As online communities, such as social network sites, mature, they face challenges in sustaining user engagement. To address this, we designed and deployed a rating system to encou...
202
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IAT
2009
IEEE
16 years 1 months ago
2009
IEEE
Collaborative Filtering based on similarity suffers from a variety of problems such as sparsity and scalability. In this paper, we propose an ontological model of trust between us...