574 search results - page 30 / 115 » Distributed Queries and Query Optimization in Schema-Based P... |
AIPS
1998
15 years 3 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...
62
Voted
CCGRID
2002
IEEE
15 years 6 months ago
2002
IEEE
This paper is concerned with the efficient execution of multiple query workloads on a cluster of SMPs. We target applications that access and manipulate large scientific dataset...
137
Voted
DASFAA
2006
IEEE
15 years 8 months ago
2006
IEEE
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
126
Voted
IPPS
2007
IEEE
15 years 8 months ago
2007
IEEE
We study efficient query processing in distributed web search engines with global index organization. The main performance bottleneck in this case is due to the large amount of i...
204
Voted
SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Managing uncertain data using probabilistic frameworks has attracted much interest lately in the database literature, and a central computational challenge is probabilistic infere...