529 search results - page 87 / 106 » A User-Centered Approach for Evaluating Query Expansion Meth... |
TCSV
2008
13 years 7 months ago
2008
The characterization of a video segment by a digital signature is a fundamental task in video processing. It is necessary for video indexing and retrieval, copyright protection and...
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
In this paper we present two contributions to improve accuracy and speed of an image search system based on bag-of-features: a contextual dissimilarity measure (CDM) and an effici...
ESCIENCE
2007
IEEE
14 years 1 months ago
2007
IEEE
In federated Data Grids, individual institutions share their data sets within a community to enable collaborative data analysis. Data access needs to be provided in a scalable fas...
DBA
2004
13 years 9 months ago
2004
In order to guarantee efficient query processing together with industrial strength, spatial index structures have to be integrated into fully-fledged object-relational database ma...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Abstract. Although XML is the dominant standard for publishing and exchanging data for Internet-based business applications, data is typically stored in relational or object-relati...