1487 search results - page 46 / 298 » Representing and Querying Data Transformations |
144
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JAPLL
2010
14 years 11 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
120
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MDM
2007
Springer
15 years 7 months ago
2007
Springer
This demonstration presents iPDA, a system to support privacy-preserving data access in location-based mobile services. The iPDA system consists of three main components: 1) a mob...
110
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ICIP
2009
IEEE
16 years 2 months ago
2009
IEEE
Sparse Orthonormal Transforms (SOT) has recently been proposed as a data compression method that can achieve sparser representations in transform domain. Given initial conditions,...
MVA
1994
15 years 2 months ago
1994
This paper describes the development of an anthropomorphic visual sensor with retina-like structure to perform the polar mapping. The sensor consists of a dove prism for imagerota...
106
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ECIR
2010
Springer
15 years 2 months ago
2010
Springer
Abstract. This paper explores how to predict query difficulty for contextual image retrieval. We reformulate the problem as the task of predicting how difficult to represent a quer...