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93
Voted
DOLAP
2005
ACM
14 years 11 months ago
A relevance-extended multi-dimensional model for a data warehouse contextualized with documents
Current data warehouse and OLAP technologies can be applied to analyze the structured data that companies store in their databases. The circumstances that describe the context ass...
Juan Manuel Pérez, Rafael Berlanga Llavori,...
80
Voted
EDBT
2009
ACM
131views Database» more  EDBT 2009»
15 years 23 days ago
Sample synopses for approximate answering of group-by queries
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
Philipp Rösch, Wolfgang Lehner