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ICEBE
2005
IEEE
96views Business» more  ICEBE 2005»
14 years 17 days ago
Adding Physical Optimization to Cost Models in Information Mediators
Optimization of execution plans in information mediators is a critical task, specially when sources are remote and semistructured, as in the case of transactional web sites. Lack ...
Justo Hidalgo, Alberto Pan, José Losada, Ma...
IIWAS
2004
13 years 8 months ago
Building the Architecture of A Statistics-Based Query Optimization Solution for Heterogeneous Mediators
Access to different and remote sources with heterogeneous formats is one of the most important challenges in Enterprise Information Integration. Even though there exists an increa...
Justo Hidalgo, Alberto Pan, José Losada, Ma...
GLOBECOM
2008
IEEE
14 years 1 months ago
Optimal Location Updates in Mobile Ad Hoc Networks: A Separable Cost Case
Abstract—We consider the location service in a mobile adhoc network (MANET), where each node needs to maintain its location information in the network by (i) frequently updating ...
Zhenzhen Ye, Alhussein A. Abouzeid
COOPIS
2002
IEEE
13 years 12 months ago
Efficient Querying of Distributed Resources in Mediator Systems
: This work investigates the integration of heterogeneous resources, such as data and programs, in a fully distributed peer-to-peer mediation architecture. The challenge in making ...
Ioana Manolescu, Luc Bouganim, Françoise Fa...
DOLAP
2007
ACM
13 years 11 months ago
Deciding the physical implementation of ETL workflows
In this paper, we deal with the problem of determining the best possible physical implementation of an ETL workflow, given its logical-level description and an appropriate cost mo...
Vasiliki Tziovara, Panos Vassiliadis, Alkis Simits...