542 search results - page 88 / 109 » An Effective SPARQL Support over Relational Databases |
ICDE
2002
IEEE
14 years 10 months ago
2002
IEEE
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
ICDE
2002
IEEE
14 years 1 months ago
2002
IEEE
Soon, much of the data exchanged over the Internet will be encoded in XML, allowing for sophisticated filtering and content-based routing. We have built a filtering engine called ...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
HICSS
1996
IEEE
14 years 24 days ago
1996
IEEE
In this paper, we present a document model which integrates the logical structure and hypertext link structure of hyperdocuments in order to manage structured documents with hyper...
VLDB
2000
ACM
14 years 6 days ago
2000
ACM
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...