223 search results - page 5 / 45 » Efficient Recursive Query Processing using Wavefront Methods |
ICDE
1991
IEEE
14 years 2 days ago
1991
IEEE
— Constraints play an important role in the efficient query evaluation in deductive databases. In this paper, constraint-based query evaluation in deductive databases is investi...
AI
2009
Springer
14 years 17 days ago
2009
Springer
Abstract. A top-down parsing algorithm has been constructed to accommodate any form of ambiguous context-free grammar, augmented with semantic rules with arbitrary attribute depend...
RP
2010
Springer
13 years 6 months ago
2010
Springer
Efficient reachability query answering in large directed graphs has been intensively investigated because of its fundamental importance in many application fields such as XML data ...
RTCSA
2008
IEEE
14 years 2 months ago
2008
IEEE
This paper addresses the problem of using the Location IDentifier (LID) as the domain value of the index for trajectories of RFID tags and proposes the solution for solving this p...
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
In recent years, the sketch-based technique has been presented as an effective method for counting stream items on processors with limited storage and processing capabilities, such...