651 search results - page 19 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
IDEAS
2005
IEEE
14 years 2 months ago
2005
IEEE
The XML data is order-sensitive. The order problem, that is how ordered XML documents and order-sensitive queries over it can be efficiently supported when mapped into the unorde...
ECIR
2011
Springer
13 years 14 days ago
2011
Springer
Abstract. Content-based image retrieval (CBIR) with global features is notoriously noisy, especially for image queries with low percentages of relevant images in a collection. More...
STACS
2007
Springer
14 years 3 months ago
2007
Springer
Abstract. The sharing of content by communities of users (e.g., scientists) in a P2P context remains cumbersome. We argue that main reasons for this is the lack of calculus and alg...
DEBU
2008
13 years 9 months ago
2008
In this paper, we describe the TIMBER XML database system implemented at University of Michigan. TIMBER was one of the first native XML database systems, designed from the ground ...
PETRA
2010
ACM
13 years 11 months ago
2010
ACM
We study the performance of three dynamic programming methods on music retrieval. The methods are designed for time series matching but can be directly applied to retrieval of mus...