Sciweavers

540 search results - page 97 / 108
» Towards User Modeling Meta-ontology
Sort
View
SP
1997
IEEE
134views Security Privacy» more  SP 1997»
13 years 11 months ago
A Logical Language for Expressing Authorizations
A major drawback of existing access control systems is that they have all been developed with a specific access control policy in mind. This means that all protection requirement...
Sushil Jajodia, Pierangela Samarati, V. S. Subrahm...
ESWA
2008
113views more  ESWA 2008»
13 years 6 months ago
A weighted string pattern matching-based passage ranking algorithm for video question answering
Video question answering aims to pinpoint answers in response to user's specified questions. However, most question answering technologies involve in integrating rich specifi...
Yu-Chieh Wu, Jie-Chi Yang, Yue-Shi Lee
SIGMOD
2008
ACM
118views Database» more  SIGMOD 2008»
13 years 6 months ago
NAGA: harvesting, searching and ranking knowledge
The presence of encyclopedic Web sources, such as Wikipedia, the Internet Movie Database (IMDB), World Factbook, etc. calls for new querying techniques that are simple and yet mor...
Gjergji Kasneci, Fabian M. Suchanek, Georgiana Ifr...
ICDE
2000
IEEE
161views Database» more  ICDE 2000»
13 years 10 months ago
Efficient Query Refinement in Multimedia Databases
Increasing application demands are pushing database management systems (DBMSs) towards providing adequate and efficient support for content-based retrieval over multimedia objects...
Kaushik Chakrabarti, Kriengkrai Porkaew, Sharad Me...
ESWS
2008
Springer
13 years 8 months ago
Conceptual Spaces in ViCoS
We describe ViCoS, a tool for constructing and visualising conceptual spaces in the area of language documentation. ViCoS allows users to enrich existing lexical information about ...
Claus Zinn