2043 search results - page 189 / 409 » The Limits of Querying Ontologies |
ICDM
2007
IEEE
14 years 3 months ago
2007
IEEE
Data security is a critical issue for many organizations. Sensitive data must be protected from both inside and outside attackers. Access control policies and related mechanisms h...
SAC
2006
ACM
14 years 3 months ago
2006
ACM
In this paper, we show that representation and reasoning techniques used in traditional knowledge engineering and the emerging Semantic Web can play an important role for heteroge...
CAISE
2003
Springer
14 years 2 months ago
2003
Springer
A federated Web-based multimedia information system on one hand gathers its data from various Web sources, on the other hand offers the end-user a rich semantics describing its co...
AGENTS
2001
Springer
14 years 1 months ago
2001
Springer
Shopping on the Internet has become a convenient way of purchasing commodities of choice. A key contribution of agent technology will be to develop personal agents that can assist...
EMNLP
2004
13 years 10 months ago
2004
Anticipating the availability of large questionanswer datasets, we propose a principled, datadriven Instance-Based approach to Question Answering. Most question answering systems ...