1183 search results - page 48 / 237 » Exploiting Conceptual Knowledge for Querying Information Sys... |
APIN
1999
14 years 11 months ago
1999
We present an approach based on knowledge medium using associative structures as a framework of information representation to gather raw information from heterogeneous information...
133
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RR
2010
Springer
14 years 10 months ago
2010
Springer
Role-based access control is a standard mechanism in information systems. Based on the role a user has, certain information is kept from the user even if requested. For ontologies ...
SIGIR
2002
ACM
14 years 11 months ago
2002
ACM
This work proposes a model for video retrieval based upon the inference network model. The document network is constructed using video metadata encoded using MPEG-7 and captures i...
103
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JCISE
2002
14 years 11 months ago
2002
Online resources of engineering design information are a critical resource for practicing engineers. These online resources often contain references and content associated with te...
SEMCO
2007
IEEE
15 years 6 months ago
2007
IEEE
This paper studies the influence of lexical semantic knowledge upon two related tasks: ad-hoc information retrieval and text similarity. For this purpose, we compare the performa...