Sciweavers

979 search results - page 147 / 196
» Issues in Developing Very Large Data Warehouses
Sort
View
CSDA
2006
85views more  CSDA 2006»
13 years 7 months ago
Two-way Poisson mixture models for simultaneous document classification and word clustering
An approach to simultaneous document classification and word clustering is developed using a two-way mixture model of Poisson distributions. Each document is represented by a vect...
Jia Li, Hongyuan Zha
JSAC
2006
133views more  JSAC 2006»
13 years 7 months ago
Code-aided joint channel and frequency offset estimation for DS-CDMA
This paper deals with joint data detection, synchronization and channel parameter estimation for Direct-Sequence Code Division Multiple Access (DS-CDMA) systems over frequency sel...
Mamoun Guenach, Frederik Simoens, Henk Wymeersch, ...
SAC
2008
ACM
13 years 7 months ago
Exploring social annotations for web document classification
Social annotation via so-called collaborative tagging describes the process by which many users add metadata in the form of unstructured keywords to shared content. In this paper,...
Michael G. Noll, Christoph Meinel
MTA
2010
101views more  MTA 2010»
13 years 6 months ago
Enquiring MPEG-7 based multimedia ontologies
Machine understandable metadata forms the main prerequisite for the intelligent services envisaged in a Web, which going beyond mere data exchange and provides for effective conten...
Stamatia Dasiopoulou, Vassilis Tzouvaras, Ioannis ...
INFOCOM
2011
IEEE
12 years 11 months ago
Making sense of customer tickets in cellular networks
—Effective management of large-scale cellular data networks is critical to meet customer demands and expectations. Customer calls for technical support provide direct indication ...
Yu Jin, Nick G. Duffield, Alexandre Gerber, Patric...