305 search results - page 7 / 61 » Including Group-By in Query Optimization |
DEBU
2000
13 years 7 months ago
2000
As the area of data management for the Internet has gained in popularity, recent work has focused on effectively dealing with unpredictable, dynamic data volumes and transfer rate...
CIDR
2011
12 years 11 months ago
2011
Amazon’s Mechanical Turk (“MTurk”) service allows users to post short tasks (“HITs”) that other users can receive a small amount of money for completing. Common tasks on...
ICDE
2012
IEEE
11 years 10 months ago
2012
IEEE
— In this paper, we focus on efficient keyword query processing for XML data based on SLCA and ELCA semantics. We propose for each keyword a novel form of inverted list, which i...
PODS
2000
ACM
13 years 12 months ago
2000
ACM
The problem of query containment is fundamental to many aspects of database systems, including query optimization, determining independence of queries from updates, and rewriting ...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering and query rewrite (JOQR) followed by parallelization. We focus on t...