221 search results - page 28 / 45 » An Improved Approximation Algorithm for the Column Subset Se... |
CG
2006
Springer
13 years 8 months ago
2006
Springer
This paper reports the work on a novel wavelet-based multi-scale filtering application used to generate very smooth subset of profiles known as Class-A curves. The multi-scale rep...
ESWS
2011
Springer
12 years 12 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
WWW
2011
ACM
13 years 3 months ago
2011
ACM
In commerce search, the set of products returned by a search engine often forms the basis for all user interactions leading up to a potential transaction on the web. Such a set of...
WWW
2010
ACM
14 years 3 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...
VLDB
2007
ACM
14 years 2 months ago
2007
ACM
There are many emerging database applications that require accurate selectivity estimation of approximate string matching queries. Edit distance is one of the most commonly used s...