149 search results - page 28 / 30 » Optimization of Multi-Way Join Queries for Parallel Executio... |
SIGMOD
2010
ACM
13 years 11 months ago
2010
ACM
We develop a compact and efficient reachability labeling scheme for answering provenance queries on workflow runs that conform to a given specification. Even though a workflow run...
CCGRID
2009
IEEE
14 years 5 months ago
2009
IEEE
This paper presents “Self-Chord”, a bio-inspired P2P algorithm that can be profitably adopted to build the information service of distributed systems, in particular Computati...
PODC
2003
ACM
14 years 4 months ago
2003
ACM
We investigate issues related to the probe complexity of quorum systems and their implementation in a dynamic environment. Our contribution is twofold. The first regards the algo...
SIGMOD
2010
ACM
14 years 3 months ago
2010
ACM
We present SecureBlox, a declarative system that unifies a distributed query processor with a security policy framework. SecureBlox decouples security concerns from system speci...
PDIS
1994
IEEE
14 years 3 months ago
1994
IEEE
We propose a new client-side data-caching scheme for relational databases with a central server and multiple clients. Data are loaded into each client cache based on queries execut...