90 search results - page 14 / 18 » Monitoring Plan Optimality During Execution |
ICDCS
2002
IEEE
14 years 16 days ago
2002
IEEE
We describe Spectra, a remote execution system for batterypowered clients used in pervasive computing. Spectra enables applications to combine the mobility of small devices with t...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
Over the last decades, improvements in CPU speed have outpaced improvements in main memory and disk access rates by orders of magnitude, enabling the use of data compression techn...
VLDB
2004
ACM
14 years 28 days ago
2004
ACM
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
EDBT
2004
ACM
14 years 7 months ago
2004
ACM
The join operation, which combines tuples from multiple relations, is the most fundamental and, typically, the most expensive operation in database queries. The standard approach t...
VLDB
2007
ACM
14 years 1 months ago
2007
ACM
Structured community portals extract and integrate information from raw Web pages to present a unified view of entities and relationships in the community. In this paper we argue...