1581 search results - page 136 / 317 » Date Warehouse Design |
132
Voted
DMDW
2000
15 years 5 months ago
2000
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
126
Voted
VLDB
2002
ACM
15 years 3 months ago
2002
ACM
Data warehouses offer a compromise between freshness of data and query evaluation times. However, a fixed preference ratio between these two variables is too undifferentiated. Wit...
127
Voted
SAC
2008
ACM
15 years 3 months ago
2008
ACM
We address aggregate queries over GIS data and moving object data, where non-spatial information is stored in a data warehouse. We propose a formal data model and query language t...
143
click to vote
EDBTW
2010
Springer
15 years 1 months ago
2010
Springer
Nowadays, due to the lack of face-to-face contact, distance course instructors have real difficulties knowing who their students are, how their students behave in the virtual cour...
132
click to vote
DOLAP
2010
ACM
15 years 1 months ago
2010
ACM
Object identification is a crucial step in most information systems. Nowadays, we have many different ways to identify entities such as surrogates, keys and object identifiers. Ho...