133 search results - page 14 / 27 » Modeling Multidimensional Databases, Cubes and Cube Operatio... |
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...
DOLAP
2003
ACM
14 years 22 days ago
2003
ACM
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
SIGMOD
1999
ACM
13 years 11 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
DOLAP
1998
ACM
13 years 11 months ago
1998
ACM
Star schema has been a typical model for both online transaction processing in traditional databases and online analytical processing in large data warehouses. In the star schema,...
DOLAP
2006
ACM
14 years 1 months ago
2006
ACM
On-line analytical processing (OLAP) provides tools to explore and navigate into data cubes in order to extract interesting information. Nevertheless, OLAP is not capable of expla...