642 search results - page 41 / 129 » Answering XML Queries on Heterogeneous Data Sources |
ICDT
2001
ACM
14 years 1 months ago
2001
ACM
In information-integration systems, source relations often have limitations on access patterns to their data; i.e., when one must provide values for certain attributes of a relatio...
CIKM
2007
Springer
14 years 2 months ago
2007
Springer
Regular path queries (RPQ’s) are given by means of regular expressions and ask for matching patterns on labeled graphs. RPQ’s have received great attention in the context of s...
WEBDB
1999
Springer
14 years 29 days ago
1999
Springer
Accessing and integrating data from heterogeneous sources has become a significant challenge. So-called adapters provide the functionality for translating SQL queries into querie...
OTM
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. Caching can highly improve performance of query processing in distributed databases. In this paper we show how this technique can be used in grid architecture where data ...
ICDT
2007
ACM
14 years 2 months ago
2007
ACM
We consider the problem of querying data sources that have limited capabilities and can thus only be accessed by complying with certain binding patterns for their attributes. This ...