2009 | OriginalPaper | Chapter
An Optimization Technique for Multiple Continuous Multiple Joins over Data Streams
Authors : Changwoo Byun, Hunjoo Lee, YoungHa Ryu, Seog Park
Published in: Database and Expert Systems Applications
Publisher: Springer Berlin Heidelberg
Activate our intelligent search to find suitable subject content or patents.
Select sections of text to find matching patents with Artificial Intelligence. powered by
Select sections of text to find additional relevant content using AI-assisted search. powered by
Join queries having heavy cost are necessary to Data Stream Management System in the sensor network. In this paper, we propose an optimization algorithm for multiple continuous join operators over data streams using a heuristic strategy. First, we propose a solution of building the global shared query execution plan. Second, we solve the problems of updating a window size and routing for a join result. Our experimental results show that the proposed protocol can provide better throughputs than previous methods.