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A framework for analysis of data freshness
TLDR
Data freshness has been identified as one of the most important data quality attributes in information systems. Expand
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A Framework for Data Quality Evaluation in a Data Integration System
TLDR
We present a framework which is a first attempt to formalize the evaluation of data quality evaluation in data integration systems. Expand
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Describing Analytical Sessions Using a Multidimensional Algebra
TLDR
We present a novel approach for representing SQL analytical queries in terms of a multidimensional algebra, which better characterizes the analytical efforts of the user. Expand
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Assessment and analysis of information quality: a multidimensional model and case studies
TLDR
This paper presents a multidimensional model for exploring information in amultidimensional way, which aids in the navigation, filtering, and interpretation of quality measures, and thus in the identification of the most appropriate actions to improve information quality. Expand
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Qbox-Foundation : a Metadata Platform for Quality Measurement
TLDR
L'analyse de la qualité des données, les approches algorithmiques utilisées pour extraire les connais-sancesà partir de ces donnÉes, le choix des mesures qui permettent d'enévaluer la qualite ainsi que la validation et l'exploitation des connaissances extraites. Expand
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Preference-Driven Refinement of Service Compositions
TLDR
We propose a method for the refinement of service compositions that takes the abstract specification of a composition, the definition of concrete services and user preferences. Expand
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A Holistic Approach to OLAP Sessions Composition: The Falseto Experience
TLDR
This paper presents an OLAP tool 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. Expand
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A Framework for Quality Evaluation in Data Integration Systems
TLDR
A framework, called QUADRIS, has been proposed and is currently under experimentations on very large databases in three application domains: CRM (EDF), medical domain (Institut Curie) and geographical domain (Cemagref). Expand
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On the Applicability of Rules to Automate Data Warehouse Logical Design
TLDR
This paper proposes a step forward on the automation of DW relational design through a rule-based mechanism, which automatically generates the DW schema by applying existing DW design knowledge. Expand
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Analyzing and Evaluating Data Freshness in Data Integration Systems
TLDR
This paper addresses the problem of evaluating data freshness in a data integration system and presents a taxonomy to classify different scenarios wheredata freshness can be evaluated. Expand
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