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Most methods proposed so far for classification of high-dimensional data are memory-based and…
In this paper we describe briefly three systems: onCue a desktop internet-access toolbar, Snip!t…
Nowadays, our personal computer contains a huge amount of information, that is stored in several…
Data cube construction has been the focus of much research due to its importance in improving…
Wide spread use of database systems in modern society has brought the need to provide…
Conventional data management occurs primarily in centralized servers or in well-interconnected…
The last decade has seen unprecedented advances in network and distributedsystem technologies,…
Query Personalization is the process of dynamically enhancing a query with related user…
Personalization is a powerful mechanism that helps users to cope with the abundance of…
In today’s knowledge-driven society, information abundance and personal electronic device…
Personalization of keyword searches has attracted interest in the research community as a means…
Personal Information Management (PIM) aims to support users in the collection, storage and…
The DELOS network of excellence is a European initiative that has been funded by the European…
In this paper we present a distributed query framework suitable for use in federations of digital…
Large-scale distributed environments, where each node is completely autonomous and offers…
Twig queries represent the building blocks of declarative query languages over XML data. A twig…
As information becomes available in increasing amounts to a wide spectrum of users, the need for…
The rapid adoption of XML as the standard for data representation and exchange foreshadows a…
The last decade has seen unprecedented advances in network and distributed-system technologies,…
In large statistical and scientific data management environments, where mediation architectures…
Searching a digital library is typically a tedious task. A system can improve information access…
Speculation is an every day phenomenon whereby one acts in anticipation of particular conditions…
A preliminary study of the issues surrounding a seach engine for Grid environments, GRISEN, that…
The need for approximations of information has become very critical in the recent past. From…
The history of histograms is long and rich, full of detailed information in every step. It…
Conventional histograms are `static' since they cannot be updated but only recalculated. In this…
Bitmap indexes are useful in processing complex queries in decision support systems, and they…
A range-sum query sums over all selected cells of an OLAP data cube where the selection is…
