1836 search results - page 218 / 368 » Hierarchies for semantic classes |
CCS
2008
ACM
15 years 2 days ago
2008
ACM
Pervasive computing environments have created a requirement for spatial- and temporal-aware access control systems. Although temporal, spatial and spatio-temporal role-based acces...
AVI
2006
14 years 11 months ago
2006
We present an experiment that compares how people perform search tasks in a degree-of-interest browser and in a Windows-Explorer-like browser. Our results show that, whereas users...
102
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TREC
2004
14 years 11 months ago
2004
We describe our first participation in TREC. We only competed in the Question Answering (QA) category and limited our runs to factoids. Our approach was to use our open domain QA ...
108
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COLING
2000
14 years 11 months ago
2000
In this paper, word sense dismnbiguation (WSD) accuracy achievable by a probabilistic classifier, using very milfimal training sets, is investigated. \Ve made the assuml)tiou that...
RBAC
1997
14 years 11 months ago
1997
The RBAC metaphor is powerful in its ability to express access control policy in terms of the way in which administrators view organizations. The functionality of simple Role Base...