4342 search results - page 687 / 869 » Improved Algorithms for Optimal Embeddings |
WWW
2011
ACM
13 years 4 months ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
PODS
2008
ACM
14 years 9 months ago
2008
ACM
We revisit the classical chase procedure, studying its properties as well as its applicability to standard database problems. We settle (in the negative) the open problem of decid...
CODES
2005
IEEE
14 years 2 months ago
2005
IEEE
We present a new scheme for dynamic voltage and frequency scaling (DVS) for processing multimedia streams on architectures with restricted buffer sizes. The main advantage of our ...
MIR
2003
ACM
14 years 2 months ago
2003
ACM
In a typical content-based image retrieval (CBIR) system, query results are a set of images sorted by feature similarities with respect to the query. However, images with high fea...
RTSS
1998
IEEE
14 years 1 months ago
1998
IEEE
Timed and hybrid automata are extensions of finite-state machines for formal modeling of embedded systems with both discrete and continuous components. Reachability problems for t...