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ICDE
2005
IEEE
139views Database» more  ICDE 2005»
16 years 5 months ago
Compressing Bitmap Indices by Data Reorganization
Many scientific applications generate massive volumes of data through observations or computer simulations, bringing up the need for effective indexing methods for efficient stora...
Ali Pinar, Tao Tao, Hakan Ferhatosmanoglu
ACSC
2009
IEEE
15 years 11 months ago
A ConceptLink Graph for Text Structure Mining
Most text mining methods are based on representing documents using a vector space model, commonly known as a bag of word model, where each document is modeled as a linear vector r...
Rowena Chau, Ah Chung Tsoi, Markus Hagenbuchner, V...
STACS
2009
Springer
15 years 11 months ago
Economical Caching
Abstract. We study the management of buffers and storages in environments with unpredictably varying prices in a competitive analysis. In the economical caching problem, there is ...
Matthias Englert, Heiko Röglin, Jacob Spö...
GI
2007
Springer
15 years 10 months ago
Pervasive E-Learning. Lerntechnik, drahtlose Kommunikation und mobile Middleware oder mehr?
: Viele Entwicklungen im Bereich e-Learning sind eher getrieben von technischer Neugier und Innovation als angeregt durch wohlüberlegte und durch empirische Befunde belegte pädag...
Bernd J. Krämer
FOCS
2006
IEEE
15 years 10 months ago
On the Compressibility of NP Instances and Cryptographic Applications
We study compression that preserves the solution to an instance of a problem rather than preserving the instance itself. Our focus is on the compressibility of NP decision problem...
Danny Harnik, Moni Naor