1487 search results - page 108 / 298 » Representing and Querying Data Transformations |
149
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SRDS
1998
IEEE
15 years 5 months ago
1998
IEEE
A major cost in executing queries in a distributed database system is the data transfer cost incurred in transferring relations (fragments) accessed by a query from different site...
ADBIS
2005
Springer
15 years 7 months ago
2005
Springer
We present a query language called MDatalog, which is an extension of Datalog for multimodal deductive databases. We define modal relational algebras and give the seminaive evalua...
160
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DEXA
2009
Springer
15 years 5 months ago
2009
Springer
Data intensive applications in Life Sciences extensively use the Hidden Web as a platform for information sharing. Access to these heterogeneous Hidden Web resources is limited thr...
111
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ICEIS
2009
IEEE
15 years 8 months ago
2009
IEEE
Abstract. In the Web environment, rich, diverse sources of heterogeneous and distributed data are ubiquitous. In fact, even the information characterizing a single entity - like, f...
101
Voted
WWW
2008
ACM
16 years 2 months ago
2008
ACM
In this poster, we present the P2P XML data localization layer of XLive, an XQuery mediation system developed at University of Versailles [2]. A major challenge in the evaluation ...