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» Query Processing Using Ontologies
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172
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SIGMOD
2010
ACM
154views Database» more  SIGMOD 2010»
15 years 6 months ago
Unbiased estimation of size and other aggregates over hidden web databases
Many websites provide restrictive form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we consider the problem of es...
Arjun Dasgupta, Xin Jin, Bradley Jewell, Nan Zhang...
223
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CIVR
2005
Springer
144views Image Analysis» more  CIVR 2005»
16 years 6 days ago
A Weakly Supervised Approach for Semantic Image Indexing and Retrieval
This paper presents a new approach for building semantic image indexing and retrieval systems. Our approach is composed of four phases : (1) knowledge acquisition, (2) weakly-super...
Nicolas Maillot, Monique Thonnat
191
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EKAW
2004
Springer
16 years 2 days ago
A Topic-Based Browser for Large Online Resources
The exploration of large information spaces is a difficult task, especially if the user is not familiar with the terminology used to describe information. Conceptual models of a do...
Heiner Stuckenschmidt, Anita de Waard, Ravinder Bh...
WAC
2004
Springer
16 years 12 hour ago
Semantic-Based Policy Engineering for Autonomic Systems
Abstract. This paper presents some important directions in the use of ontologybased semantics in achieving the vision of Autonomic Communications. We examine the requirements of Au...
David Lewis, Kevin Feeney, Kevin Carey, Thanassis ...
DILS
2008
Springer
15 years 8 months ago
Chemical Knowledge for the Semantic Web
With over 80 file formats to represent various chemical attributes, the conversion between one format and another is invariably lossy due to informal specifications. In contrast, t...
Mykola Konyk, Alexander De Leon Battista, Michel D...