Search Results for author: Hagit Grushka-Cohen

Found 3 papers, 0 papers with code

Diversifying Database Activity Monitoring with Bandits

no code implementations23 Oct 2019 Hagit Grushka-Cohen, Ofer Biller, Oded Sofer, Lior Rokach, Bracha Shapira

Database activity monitoring (DAM) systems are commonly used by organizations to protect the organizational data, knowledge and intellectual properties.

Event Detection Recommendation Systems

A framework for optimizing COVID-19 testing policy using a Multi Armed Bandit approach

no code implementations28 Jul 2020 Hagit Grushka-Cohen, Raphael Cohen, Bracha Shapira, Jacob Moran-Gilad, Lior Rokach

We find that individuals can be ranked for effective testing using a few simple features, and that ranking them using such models we can capture 65% (CI: 64. 7%-68. 3%) of the positive individuals using less than 20% of the testing capacity or 92. 1% (CI: 91. 1%-93. 2%) of positives individuals using 70% of the capacity, allowing reserving a significant portion of the tests for population studies.

Decision Making Multi-Armed Bandits

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