1160 search results - page 3 / 232 » Query Processing and Optimization for Pictorial Query Trees |
ICMCS
2006
IEEE
14 years 5 months ago
2006
IEEE
A visual query is based on pictorial representation of conceptual entities and operations. One of the most important features used in visual queries is the shape. Despite its intu...
BDA
2004
14 years 9 days ago
2004
XQuery is the emerging standard for querying XML data sources. XLive is a light XML/XQuery mediator developed at University of Versailles whose engine processes an XML algebra der...
VLDB
1989
ACM
14 years 2 months ago
1989
ACM
This paper presents a parallel algorithm for recursive query processing and shows how it can be efficiently implemented in a local computer network. The algorithm relies on an int...
FUIN
2006
13 years 11 months ago
2006
In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorithm due to M...
SIGMOD
2011
ACM
13 years 1 months ago
2011
ACM
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...