6004 search results - page 225 / 1201 » Parallelizing query optimization |
FTDB
2007
13 years 10 months ago
2007
Database Management Systems (DBMSs) are a ubiquitous and critical component of modern computing, and the result of decades of research and development in both academia and industr...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
DEBS
2009
ACM
14 years 5 months ago
2009
ACM
The nature of data in enterprises and on the Internet is changing. Data used to be stored in a database first and queried later. Today timely processing of new data, represented ...
PDP
2008
IEEE
14 years 5 months ago
2008
IEEE
Search engines use inverted files as index data structures to speed up the solution of user queries. The index is distributed on a set of processors forming a cluster of computer...
ICPPW
2006
IEEE
14 years 4 months ago
2006
IEEE
This paper describes a directed query dissemination scheme, DirQ that routes queries to the appropriate source nodes based on both constant and dynamicvalued attributes such as se...