664 search results - page 82 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
IDEAS
2007
IEEE
14 years 5 months ago
2007
IEEE
Constraint-based database caching aims at correctly answering SQL query predicates from a local cache database by exploiting constraints that have previously been used in selectin...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
Users often try to accumulate information on a topic of interest from multiple information sources. In this case a user's informational need might be expressed in terms of an...
ICDE
2005
IEEE
14 years 4 months ago
2005
IEEE
Index tuning as part of database tuning is the task of selecting and creating indexes with the goal of reducing query processing times. However, in dynamic environments with vario...
SPAA
2004
ACM
14 years 4 months ago
2004
ACM
This paper introduces a new adaptive method, Channel Queue Routing (CQR), for load-balanced routing on k-ary n-cube interconnection networks. CQR estimates global congestion in th...
CDC
2010
IEEE
13 years 5 months ago
2010
IEEE
This paper presents a data-centric modeling and predictive control approach for nonlinear hybrid systems. System identification of hybrid systems represents a challenging problem b...