Valda Seminar: Rafael Peñaloza

Rafael Peñaloza, University of Milano-Bicocca 12 July 2019, 10:30-11:30 ENS, S16 Lean Kernels: A Bridge Between Justifications and Provenance A justification is a minimal set of constraints (or axioms) responsible for a consequence to follow from a knowledge base. Since the time required to find justifications depends on the size…

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Valda Seminar: Gaël Varoquaux

Gaël Varoquaux, Inria Saclay 28 June 2019, 10:30-11:30 ENS, S16 Statistics on tables with non-curated entries “Dirty data” is said to be the data-scientists worst time sink. We investigate a specific data-quality challenge at the intersection of database curation and statistical learning. Data tables often contain many non-numerical entries. Knowledge…

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Valda Seminar: Bruno Guillon

Bruno Guillon, Inria Lille 3 May 2019, 10:30-11:30 ENS, S16 Finding paths in large data graphs When dealing with large graphs, classical algorithms for finding paths such as Dijkstra’s Algorithm are unsuitable, because they require to perform too many disk accesses. To avoid the cost of these expensive accesses, while…

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