154 search results - page 23 / 31 » Exploiting Similarity of Subqueries for Complex Query Optimi... |
VLDB
1999
ACM
14 years 7 days ago
1999
ACM
When implementing persistent objects on a relational database, a major performance issue is prefetching data to minimize the number of roundtrips to the database. This is especial...
SIGMOD
2011
ACM
12 years 10 months ago
2011
ACM
Scheduling data processing workflows (dataflows) on the cloud is a very complex and challenging task. It is essentially an optimization problem, very similar to query optimizati...
SIGMOD
2008
ACM
14 years 8 months ago
2008
ACM
Pattern matching over event streams is increasingly being employed in many areas including financial services, RFIDbased inventory management, click stream analysis, and electroni...
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 ...
VLDB
2007
ACM
14 years 2 months ago
2007
ACM
Real-world datasets exhibit a complex dependency structure among the data attributes. Learning this structure is a key task in automatic statistics configuration for query optimi...