22 search results - page 3 / 5 » Processing Star Queries on Hierarchically-Clustered Fact Tab... |
EDBT
2010
ACM
14 years 4 days ago
2010
ACM
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
VLDB
2000
ACM
13 years 9 months ago
2000
ACM
Data allocation is a key performance factor for parallel database systems (PDBS). This holds especially for data warehousing environments where huge amounts of data and complex an...
HICSS
2003
IEEE
13 years 10 months ago
2003
IEEE
Many organizations often underutilize their already constructed data warehouses. In this paper, we suggest a novel way of acquiring more information from corporate data warehouses...
CASCON
2001
13 years 6 months ago
2001
On Line Analytical Processing (OLAP) aims at gaining useful information quickly from large amounts of data residing in a data warehouse. To improve the quickness of response to qu...
ACMICEC
2006
ACM
13 years 11 months ago
2006
ACM
We present a browser-extending Semantic Web extraction system that maps HTML documents to tables and, where possible, to rules. First, the basic data extractor ViPER distills and ...