342 search results - page 2 / 69 » Conjunctive Queries over Trees |
CSCLP
2006
Springer
13 years 9 months ago
2006
Springer
Abstract. Constraint Handling Rules (CHR) is a concurrent, committed-choice, rule-based language. One of the first CHR programs is the classic constraint solver for syntactic equal...
BNCOD
2009
13 years 6 months ago
2009
We study the expressiveness of a positive fragment of path queries, denoted Path+ , on node-labeled trees documents. The expressiveness of Path+ is studied from two angles. First, ...
IPL
2006
13 years 5 months ago
2006
A precise analysis of the retrieval of signature trees is presented. A signature tree is a data structure constructed over a signature file to speed up searching all those signatu...
SIGMOD
2004
ACM
14 years 5 months ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...
EDBTW
2006
Springer
13 years 9 months ago
2006
Springer