2298 search results - page 77 / 460 » Querying spatial patterns |
139
Voted
WWW
2010
ACM
14 years 11 months ago
2010
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...
98
Voted
DBPL
1999
Springer
15 years 4 months ago
1999
Springer
Linear constraint databases and query languages are appropriate for spatial database applications. Not only the data model is natural to represent a large portion of spatial data s...
COLING
2010
14 years 7 months ago
2010
This paper presents a novel method for acquiring a set of query patterns to retrieve documents containing important information about an entity. Given an existing Wikipedia catego...
182
Voted
ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
ConQueSt is a constraint-based querying system devised with the aim of supporting the intrinsically exploratory nature of pattern discovery. It provides users with an expressive c...
ICDT
2005
ACM
15 years 6 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...