Sciweavers

975 search results - page 150 / 195
» A hotel information system implementation using MAS technolo...
Sort
View
137
Voted
CISS
2007
IEEE
15 years 10 months ago
Limited Feedback Precoder Design for Spatially Correlated MIMO Channels
Abstract— It is well-known that perfect channel state information (CSI) at the transmitter and the receiver (CSIT/CSIR) can be used to decompose a multi-antenna channel into a ba...
Vasanthan Raghavan, Akbar M. Sayeed, Venugopal V. ...
INEX
2004
Springer
15 years 9 months ago
Mixture Models, Overlap, and Structural Hints in XML Element Retrieval
We describe the INEX 2004 participation of the Informatics Institute of the University of Amsterdam. We completely revamped our XML retrieval system, now implemented as a mixture l...
Börkur Sigurbjörnsson, Jaap Kamps, Maart...
DOLAP
2000
ACM
15 years 8 months ago
Towards OLAP Security Design - Survey and Research Issues
With the use of data warehousing and online analytical processing (OLAP) for decision support applications new security issues arise. The goal of this paper is to introduce an OLA...
Torsten Priebe, Günther Pernul
DOLAP
1999
ACM
15 years 8 months ago
Updating OLAP Dimensions
OLAP systems support data analysis through a multidimensional data model, according to which data facts are viewed as points in a space of application-related dimensions", or...
Carlos A. Hurtado, Alberto O. Mendelzon, Alejandro...
EEE
2004
IEEE
15 years 7 months ago
Secure Online Examination Architecture Based on Distributed Firewall
Online (Web-based) examination is an effective solution for mass education evaluation. However, due to the incomplete of network security, students can communicate with each other...
Chi-Chien Pan, Kai-Hsiang Yang, Tzao-Lin Lee