389 search results - page 8 / 78 » Rank Selection in Multidimensional Data |
VLDB
2009
ACM
14 years 7 months ago
2009
ACM
Abstract The top-k dominating query returns k data objects which dominate the highest number of objects in a dataset. This query is an important tool for decision support since it ...
DAWAK
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. We present a technique for discovering and representing changes between versions of data warehouse structures. We select a tree comparison algorithm, adapt it for the par...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Market analysis is a representative data analysis process with many applications. In such an analysis, critical numerical measures, such as profit and sales, fluctuate over time a...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Supporting ranking queries in database systems has been a popular research topic recently. However, there is a lack of study on supporting ranking queries in data warehouses where...
GI
1998
Springer
13 years 11 months ago
1998
Springer
Computing aggregates over selected categories of multidimensional discrete data (MDD) cubes is the core operation of many on-line analytical processing (OLAP) systems. In order to...