71 search results - page 10 / 15 » Range Queries in OLAP Data Cubes |
ICDT
2001
ACM
14 years 9 hour ago
2001
ACM
In fast OLAP applications it is often advantageous to provide approximate answers to range queries in order to achieve very high performances. A possible solution is to inquire sum...
VLDB
2000
ACM
13 years 11 months ago
2000
ACM
In this paper we present a tool for enhanced exploration of OLAP data that is adaptive to a user's prior knowledge of the data. The tool continuously keeps track of the parts...
DOLAP
2007
ACM
13 years 11 months ago
2007
ACM
Expressing preferences when querying databases is a natural way to avoid empty results and information flooding, and in general to rank results so that the user may first see the ...
KDD
2009
ACM
14 years 2 months ago
2009
ACM
Data cubes as employed by On-Line Analytical Processing (OLAP) play a key role in many application domains. The analysis typically involves to compare categories of different hie...
VLDB
1998
ACM
13 years 11 months ago
1998
ACM
We propose a multi-dimensional language called nD-SQL with the following features: (i) nD-SQL supports queries that interoperate amongst multiple relational sources with heterogen...