90 search results - page 9 / 18 » Designing the Global Data Warehouse with SPJ Views |
TKDE
2002
13 years 7 months ago
2002
The construction and maintenance of data warehouses (views) in large-scale environments composed of numerous distributed and evolving information sources (ISs) such as the WWW has ...
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
DAGSTUHL
2007
13 years 9 months ago
2007
It is well known that local patterns are at the core of a lot of knowledge which may be discovered from data. Nevertheless, use of local patterns is limited by their huge number an...
DOLAP
2000
ACM
13 years 12 months ago
2000
ACM
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
DAWAK
2009
Springer
13 years 11 months ago
2009
Springer
Data warehousing involves complex processes that transform source data through several stages to deliver suitable information ready to be analysed. Though many techniques for visua...