48 search results - page 6 / 10 » Locally Consistent Transformations and Query Answering in Da... |
PAKDD
1999
ACM
13 years 12 months ago
1999
ACM
Empirical equations are an important class of regularities that can be discovered in databases. In this paper we concentrate on the role of equations as de nitions of attribute val...
WWW
2008
ACM
14 years 8 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 ...
DEBU
2010
13 years 7 months ago
2010
Consider a universe of tokens, each of which is associated with a weight, and a database consisting of strings that can be represented as subsets of these tokens. Given a query st...
VLDB
2004
ACM
14 years 7 months ago
2004
ACM
Abstract. In dynamic environments like the Web, data sources may change not only their data but also their schemas, their semantics, and their query capabilities.When a mapping is ...
SECON
2008
IEEE
14 years 2 months ago
2008
IEEE
Sensor networks will shortly consist of globally deployed sensors providing real-time geo-centric information to users. Particularly, users with mobile devices will issue ad-hoc q...