5 papers
Sieve: A Middleware Approach to Scalable Access Control for Database Management Systems
Primal Pappachan, Roberto Yus, Sharad Mehrotra +1
Current approaches of enforcing FGAC in Database Management Systems (DBMS) do not scale in scenarios when the number of policies are in the order of thousands. This paper identifie…
Efficient Measuring of Congruence on High Dimensional Time Series
Jörg P. Bachmann, Johann-Christoph Freytag
A time series is a sequence of data items; typical examples are streams of temperature measurements, stock ticker data, or gestures recorded with modern virtual reality motion cont…
An Analytical Approach to Improving Time Warping on Multidimensional Time Series
Jörg P. Bachmann, Johann-Christoph Freytag
Dynamic time warping () is one of the most used distance functions to compare time series, e.g. in nearest neighbor classifiers. Yet, fast state of the art algori…
Measuring Congruence on High Dimensional Time Series
Jörg P. Bachmann, Johann-Christoph Freytag, Benjamin Hauskeller +1
A time series is a sequence of data items; typical examples are videos, stock ticker data, or streams of temperature measurements. Quite some research has been devoted to comparing…
High Dimensional Time Series Generators
Jörg P. Bachmann, Johann-Christoph Freytag
Multidimensional time series are sequences of real valued vectors. They occur in different areas, for example handwritten characters, GPS tracking, and gestures of modern virtual r…