Sciweavers

473 search results - page 73 / 95
» On stars and Steiner stars
Sort
View
DOLAP
1999
ACM
13 years 11 months ago
Design and Selection of Materialized Views in a Data Warehousing Environment: A Case Study
In this paper, we describe the design of a data warehousing system for an engineering company ‘R’. This system aims to assist users in retrieving data for business analysis in...
Goretti K. Y. Chan, Qing Li, Ling Feng
IDEAS
1999
IEEE
123views Database» more  IDEAS 1999»
13 years 11 months ago
Improving OLAP Performance by Multidimensional Hierarchical Clustering
Data-warehousing applications cope with enormous data sets in the range of Gigabytes and Terabytes. Queries usually either select a very small set of this data or perform aggregat...
Volker Markl, Frank Ramsak, Rudolf Bayer
IPPS
1999
IEEE
13 years 11 months ago
OTIS-Based Multi-Hop Multi-OPS Lightwave Networks
Abstract. Advances in optical technology, such as low loss Optical Passive Star couplers OPS and the possibility of building tunable optical transmitters and receivers have increas...
David Coudert, Afonso Ferreira, Xavier Muño...
ISPAN
1999
IEEE
13 years 11 months ago
Sparse Networks Tolerating Random Faults
A network G is called random-fault-tolerant (RFT) network for a network G if G contains a fault-free isomorphic copy of G with high probability even if each processor fails indepe...
Toshinori Yamada, Shuichi Ueno
ISPAN
1997
IEEE
13 years 11 months ago
On The Shuffle-Exchange Permutation Network
The shuffle-exchange permutation network (SEPn) is a fixed degree Cayley graph which has been proposed as a basis for massively parallel systems. We propose a routing algorithm wi...
Douglas W. Bass, Ivan Hal Sudborough