Sciweavers

1789 search results - page 349 / 358
» Genetic Algorithms for Component Analysis
Sort
View
WWW
2003
ACM
15 years 10 months ago
A Context-Based Information Agent for Supporting Intelligent Distance Learning Environments
The large amount of information now available on the Web can play a prominent role in building a cooperative intelligent distance learning environment. We propose a system to prov...
Mohammed Abdel Razek, Claude Frasson, Marc Kaltenb...
KDD
2002
ACM
112views Data Mining» more  KDD 2002»
15 years 10 months ago
From run-time behavior to usage scenarios: an interaction-pattern mining approach
A key challenge facing IT organizations today is their evolution towards adopting e-business practices that gives rise to the need for reengineering their underlying software syst...
Mohammad El-Ramly, Eleni Stroulia, Paul G. Sorenso...
POPL
2004
ACM
15 years 9 months ago
Parsing expression grammars: a recognition-based syntactic foundation
For decades we have been using Chomsky's generative system of grammars, particularly context-free grammars (CFGs) and regular expressions (REs), to express the syntax of prog...
Bryan Ford
SDM
2009
SIAM
235views Data Mining» more  SDM 2009»
15 years 6 months ago
Topic Cube: Topic Modeling for OLAP on Multidimensional Text Databases.
As the amount of textual information grows explosively in various kinds of business systems, it becomes more and more desirable to analyze both structured data records and unstruc...
ChengXiang Zhai, Duo Zhang, Jiawei Han
SIGMOD
2009
ACM
172views Database» more  SIGMOD 2009»
15 years 4 months ago
Self-organizing tuple reconstruction in column-stores
Column-stores gained popularity as a promising physical design alternative. Each attribute of a relation is physically stored as a separate column allowing queries to load only th...
Stratos Idreos, Martin L. Kersten, Stefan Manegold