198 search results - page 20 / 40 » Rate-based query optimization for streaming information sour... |
KRDB
1998
13 years 9 months ago
1998
We present a semantic caching approach for optimizing the performance of information mediators. A critical problem with information mediators, particularly those gathering and int...
DEEC
2006
IEEE
14 years 1 months ago
2006
IEEE
Web applications have become an invaluable source of information for many different vertical solutions, but their complex navigation and semistructured format make their informatio...
AIPS
1998
13 years 9 months ago
1998
We present the application of the Planning by Rewriting PbR framework to query planning in distributed and heterogeneous environments. PbR is a new paradigm for e cient high-quali...
BTW
2005
Springer
14 years 1 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
WSDM
2009
ACM
14 years 2 months ago
2009
ACM
We are experiencing an unprecedented increase of content contributed by users in forums such as blogs, social networking sites and microblogging services. Such abundance of conten...