Search Results for author: Johann-Christoph Freytag

Found 2 papers, 1 papers with code

Sieve: A Middleware Approach to Scalable Access Control for Database Management Systems

1 code implementation16 Apr 2020 Primal Pappachan, Roberto Yus, Sharad Mehrotra, Johann-Christoph Freytag

We present Sieve, a layered approach of implementing FGAC in existing database systems, that exploits a variety of it's features such as UDFs, index usage hints, query explain; to scale to large number of policies.


High Dimensional Time Series Generators

no code implementations17 Apr 2018 Jörg P. Bachmann, Johann-Christoph Freytag

Dynamic Time Warping (DTW) is a common distance function to compare two time series.

Dynamic Time Warping Time Series

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