793 search results - page 122 / 159 » Optimizing Multiple Queries in Distributed Data Stream Syste... |
SIGMOD
1999
ACM
14 years 14 hour ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
PVLDB
2010
13 years 6 months ago
2010
Large-scale data analysis has become increasingly important for many enterprises. Recently, a new distributed computing paradigm, called MapReduce, and its open source implementat...
ISLPED
2006
ACM
14 years 1 months ago
2006
ACM
This paper presents an energy-conservation method for multiple disks and their cache memory. Our method periodically resizes the cache memory and controls the rotation speeds unde...
ICDCS
2011
IEEE
12 years 7 months ago
2011
IEEE
— MapReduce has become an effective approach to big data analytics in large cluster systems, where SQL-like queries play important roles to interface between users and systems. H...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Current web search engines focus on searching only the most recent snapshot of the web. In some cases, however, it would be desirable to search over collections that include many ...