570 search results - page 7 / 114 » A Foundational View on Integration Problems |
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
PODS
1998
ACM
13 years 11 months ago
1998
ACM
We study the complexity of the problem of answering queries using materialized views. This problem has attracted a lot of attention recently because of its relevance in data integ...
CVPR
2006
IEEE
14 years 9 months ago
2006
IEEE
Resolving local ambiguities is an important issue for shape from shading (SFS). Pixel ambiguities of SFS can be eliminated by propagation approaches. However, patch ambiguities st...
GCC
2005
Springer
14 years 28 days ago
2005
Springer
Abstract. A hybrid workflow system could be treated as a domain-across infrastructure by incorporating different workflow systems and WfMSs engaged in the complex business processi...
AP2PC
2004
Springer
14 years 24 days ago
2004
Springer
Abstract. Data integration, in the context of the web, faces new problems, due in particular to the heterogeneity of sources, to the fragmentation of the information and to the abs...