261 search results - page 13 / 53 » An Optimization Technique for Answering Regular Path Queries |
EDBT
2006
ACM
15 years 11 months ago
2006
ACM
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
127
click to vote
AAAI
2008
15 years 25 days ago
2008
In this poster we describe the tabling techniques for Sequential and Concurrent Horn Transaction Logic. Horn Transaction Logic is an extension of classical logic programming with ...
117
click to vote
ADL
2000
Springer
15 years 4 months ago
2000
Springer
We address the problem of tight XML schemas and propose regular tree automata to model XML data. We show that the tree automata model is more powerful that the XML DTDs and is clo...
111
click to vote
APWEB
2010
Springer
15 years 4 months ago
2010
Springer
Abstract. The term Deep Web (sometimes also called Hidden Web) refers to the data content that is created dynamically as the result of a specific search on the Web. In this respec...
SSD
2001
Springer
15 years 4 months ago
2001
Springer
In this paper we introduce the notion of constrained nearest neighbor queries (CNN) and propose a series of methods to answer them. This class of queries can be thought of as neare...