529 search results - page 87 / 106 » A User-Centered Approach for Evaluating Query Expansion Meth... |
TCSV
2008
14 years 9 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
15 years 11 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
15 years 4 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
14 years 11 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
15 years 1 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...