621 search results - page 12 / 125 » Efficient algorithms for minimizing tree pattern queries |
WISE
2007
Springer
14 years 2 months ago
2007
Springer
We study and present our findings on two closely related problems on xpath rewriting using views when both the view and the query are tree patterns involving /,// and []. First, g...
ICMCS
2005
IEEE
14 years 1 months ago
2005
IEEE
In this paper, a method for content-based retrieval of JPEG images is presented, utilizing features directly from the discrete cosine transform (DCT) domain. Image indexing is ach...
IFIP
2004
Springer
14 years 1 months ago
2004
Springer
Abstract In this paper we introduce the Weighted Suffix Tree, an efficient data structure for computing string regularities in weighted sequences of molecular data. Molecular Wei...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Finding the occurrences of structural patterns in XML data is a key operation in XML query processing. Existing algorithms for this operation focus almost exclusively on path-patt...
IKE
2003
13 years 9 months ago
2003
Inverted files are widely used to index documents in large-scale information retrieval systems. An inverted file consists of posting lists, which can be stored in either a documen...