171 search results - page 22 / 35 » Extending OLAP Querying to External Object Databases |
ADBIS
2004
Springer
14 years 4 days ago
2004
Springer
Abstract. Query rewriting method is proposed for the heterogeneous information integration infrastructure formed by the subject mediator environment. Local as View (LAV) approach t...
WWW
2004
ACM
14 years 7 months ago
2004
ACM
This paper presents a system for efficient data transformations between XML and relational databases, called XML Data Mediator (XDM). XDM enables the transformation by externalizi...
HT
1998
ACM
13 years 11 months ago
1998
ACM
The presentation layer of hypermedia systems could benefit from standard object querying functionality and this is most effective if strong typing is enforced. By strong typing we...
EDBT
2008
ACM
14 years 6 months ago
2008
ACM
Automatic physical database design tools rely on "what-if" interfaces to the query optimizer to estimate the execution time of the training query workload under differen...
ADBIS
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. The need for location-based services has motivated an important research effort in the efficient processing of location-dependent queries. Most of the existing approaches...