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» Preferences for Queries in a Mediator Approach
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WWW
2008
ACM
14 years 8 months ago
A semantic layer for publishing and localizing xml data for a p2p xquery mediator
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 ...
Florin Dragan, Georges Gardarin, Laurent Yeh
CIDR
2007
165views Algorithms» more  CIDR 2007»
13 years 9 months ago
A Black-Box Approach to Query Cardinality Estimation
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...
Tanu Malik, Randal C. Burns, Nitesh V. Chawla
JUCS
2010
160views more  JUCS 2010»
13 years 6 months ago
LCP-Nets: A Linguistic Approach for Non-functional Preferences in a Semantic SOA Environment
Abstract: This paper addresses the problem of expressing preferences among nonfunctional properties of services in a Web service architecture. In such a context, semantic and non-f...
Pierre Châtel, Isis Truck, Jacques Malenfant
IJCSA
2006
113views more  IJCSA 2006»
13 years 7 months ago
An Advanced XML Mediator for Heterogeneous Information Systems Based on Application Domain Specification
The explosion of the number of web-based information sources has drastically increased the need for intelligent mediation tools to be implemented between the users and these infor...
Mostafa Ezziyyani, Mustapha Bennouna, Loubna Cherr...
ICDE
2010
IEEE
241views Database» more  ICDE 2010»
14 years 7 months ago
FlexPref: A Framework for Extensible Preference Evaluation in Database Systems
Personalized database systems give users answers tailored to their personal preferences. While numerous preference evaluation methods for databases have been proposed (e.g., skylin...
Justin J. Levandoski, Mohamed F. Mokbel, Mohamed E...