Explaining Differences in Multidimensional Aggregates
VLDB '99 Proceedings of the 25th International Conference on Very Large Data Bases
Intelligent Rollups in Multidimensional OLAP Data
Proceedings of the 27th International Conference on Very Large Data Bases
Modelling and Optimisation Issues for Multidimensional Databases
CAiSE '00 Proceedings of the 12th International Conference on Advanced Information Systems Engineering
Synthesizing structured text from logical database subsets
EDBT '08 Proceedings of the 11th international conference on Extending database technology: Advances in database technology
Built-In Indicators to Discover Interesting Drill Paths in a Cube
DaWaK '08 Proceedings of the 10th international conference on Data Warehousing and Knowledge Discovery
Narrative Visualization: Telling Stories with Data
IEEE Transactions on Visualization and Computer Graphics
Multidimensional Databases and Data Warehousing
Multidimensional Databases and Data Warehousing
Query Recommendations for OLAP Discovery-Driven Analysis
International Journal of Data Warehousing and Mining
Proceedings of the 22nd ACM international conference on Conference on information & knowledge management
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In this paper we investigate how we can exploit the existence of a star schema in order to answer user OLAP queries with CineCube movies. Our method, implemented in an actual system, includes the following steps. The user submits a query over an underlying star schema. Taking this query as input, the system comes up with a set of queries complementing the information content of the original query, and executes them. Then, the system visualizes the query results and accompanies this presentation with a text commenting on the result highlights. Moreover, via a text-to-speech conversion the system automatically produces audio for the constructed text. Each combination of visualization, text and audio practically constitutes a cube movie, which is wrapped as a PowerPoint presentation and returned to the user.