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Quality of Uncertain Data
Projektbeschreibung
Many real-life applications, for example data integration, data extraction, risk-management or sensor systems, naturally produce uncertain data. One of the most important goals in these applications is to produce data of high quality. This leads to the following open questions:
  • What does high quality exactly mean with respect to uncertainty and impreciseness?
  • What metrics are most qualified for quantifying the quality with respect to these means?
Currently, the most quality metrics have been defined for appropriately scoring the fineness of certain data and hence only insufficiently capture what is intuitively the quality of uncertain data. As we think, for adequately scoring quality of uncertain data new metrics for existing quality criteria as well as new quality criteria themselves are required. Moreover, as one of the most important methods for improving quality, we consider the integration of uncertain data. In this context, we focus on three elementary questions:
  • How to efficiently and effectively detect duplicates, if data are not only unclean but also imprecise and uncertain?
  • How to combine the uncertain information given by multiple duplicates so that a tuple of higher quality results?
  • How can the expressive modeling power of uncertain data models be used to capture uncertainty coming up during the integration process?
The QloUD project aims to develop techniques for properly scoring the quality of uncertain data as well as to develop techniques for properly integrating uncertain data.
Beteiligte Personen
Publikationen im Projekt
2013
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Fabian Panse, Maurice van Keulen, Norbert Ritter
In: ACM Journal of Data and Information Quality
2012
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In: The 17th International Conference on Information Quality
2011
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In: 5th International Conference on Scalable Uncertainty Management
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In: Ingénierie des Systèmes d'Information
2009
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Fabian Panse, Maurice van Keulen, Ander de Keijzer, Norbert Ritter
In: Centre for Telematics and Information Technology (CTIT), University of Twente, Technical Report Series
Studentische Arbeiten im Projekt
2020
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Bachelorarbeit von Daniel Kötter
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Bachelorarbeit von Heiko Eckmann
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Bachelorarbeit von Johannes Bolduan
2019
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Masterarbeit von David Zschocke
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Bachelorarbeit von Jan Synwoldt
2018
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Masterarbeit von Jennifer Soltau
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Bachelorarbeit von Manuela Buchholz
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Masterarbeit von Timm Holler
Gutachter: Fabian Panse, Wolfgang Menzel
2016
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Bachelorarbeit von Alexander Keck
2014
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Masterarbeit von Erik Meyer
2013
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Bachelorarbeit von Kai Hildebrandt
Betreuer: Fabian Panse     Gutachter: Norbert Ritter, Wolfgang Menzel
2012
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Betreuer: Fabian Panse     Gutachter: Norbert Ritter, Wolfgang Menzel
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Diplomarbeit von Lennart Helm
Betreuer: Fabian Panse     Gutachter: Norbert Ritter, Matthias Rarey
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Diplomarbeit von David Haasenleder
Betreuer: Fabian Panse     Gutachter: Norbert Ritter, Guido Gryczan
2011
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Bachelorarbeit von Lars Grote
Betreuer: Fabian Panse     Gutachter: Norbert Ritter, Axel Schmolitzky
2010
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Betreuer: Fabian Panse     Gutachter: Norbert Ritter, Wolfgang Menzel