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COMCOM
2000
85views more  COMCOM 2000»
13 years 9 months ago
Interactive Distributed Multimedia Systems and Telecommunication Services
As the popularity of the World Wide Web increases, the amount of traffic results in major congestion problems for the retrieval of data over wide distances. To react to this, user...
CIKM
2008
Springer
13 years 11 months ago
Book search: indexing the valuable parts
With massive book digitization efforts underway, there is a need for developing effective book retrieval strategies. This paper explores the relative contribution of different par...
Walid Magdy, Kareem Darwish
ACIIDS
2009
IEEE
122views Database» more  ACIIDS 2009»
14 years 2 months ago
Student Modelling Based on Ontologies
— In this paper I show how ontologies support the student modelling through the semantic definition of concepts that depict a student. The aim is to outline the framework for bui...
Alejandro Peña Ayala
ICDE
2008
IEEE
127views Database» more  ICDE 2008»
14 years 11 months ago
Querying Data under Access Limitations
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
Andrea Calì, Davide Martinenghi
EDBT
2010
ACM
185views Database» more  EDBT 2010»
14 years 4 months ago
Optimizing joins in a map-reduce environment
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
Foto N. Afrati, Jeffrey D. Ullman