A Holistic Approach to OLAP Sessions Composition: The Falseto ExperienceReport as inadecuate




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1 BDTLN - Bases de données et traitement des langues naturelles LI - Laboratoire d-Informatique de l-Université de Tours

Abstract : OLAP is the main paradigm for flexible and effective exploration of multidimensional cubes in data warehouses. During an OLAP session the user analyzes the results of a query and determines a new query that will give her a better understanding of information. Given the huge size of the data space, this exploration process is often tedious and may leave the user disoriented and frustrated. This paper presents an OLAP tool 1 named Falseto Former AnalyticaL Sessions for lEss Tedious Olap, that is meant to assist query and session composition, by letting the user summarize, browse, query, and reuse former analytical sessions. Falseto-s implementation on top of a formal framework is detailed. We also report the experiments we run to obtain and analyze real OLAP sessions and assess Falseto with them. Finally, we discuss how Falseto can be seen as a starting point for bridging OLAP with exploratory search, a search paradigm centered on the user and the evolution of her knowledge.





Author: Julien Aligon - Kamal Boulil - Patrick Marcel - Verónika Peralta -

Source: https://hal.archives-ouvertes.fr/



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