77 search results - page 9 / 16 » Foundations of SPARQL Query Optimization |
DEXAW
2010
IEEE
13 years 11 months ago
2010
IEEE
Given a set of keywords, we find a maximum Web query (containing the most keywords possible) that respects userdefined bounds on the number of returned hits. We assume a real-world...
EDBT
2010
ACM
14 years 4 months ago
2010
ACM
The goal of data fusion is to combine several representations of one real world object into a single, consistent representation, e.g., in data integration. A very popular operator...
OOPSLA
2007
Springer
14 years 4 months ago
2007
Springer
Current real-world software applications typically involve heavy use of relational and XML data and their query languages. Unfortunately object-oriented languages and database que...
SIGMOD
2001
ACM
14 years 10 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
DEBU
2008
13 years 10 months ago
2008
In this paper, we describe the TIMBER XML database system implemented at University of Michigan. TIMBER was one of the first native XML database systems, designed from the ground ...