Search Results for author: Moritz Kulessa

Found 7 papers, 5 papers with code

Combining Predictions under Uncertainty: The Case of Random Decision Trees

1 code implementation15 Aug 2022 Florian Busch, Moritz Kulessa, Eneldo Loza Mencía, Hendrik Blockeel

A common approach to aggregate classification estimates in an ensemble of decision trees is to either use voting or to average the probabilities for each class.

Correlation-based Discovery of Disease Patterns for Syndromic Surveillance

1 code implementation18 Oct 2021 Michael Rapp, Moritz Kulessa, Eneldo Loza Mencía, Johannes Fürnkranz

Early outbreak detection is a key aspect in the containment of infectious diseases, as it enables the identification and isolation of infected individuals before the disease can spread to a larger population.

Revisiting Non-Specific Syndromic Surveillance

1 code implementation28 Jan 2021 Moritz Kulessa, Eneldo Loza Mencía, Johannes Fürnkranz

Infectious disease surveillance is of great importance for the prevention of major outbreaks.

DeepDB: Learn from Data, not from Queries!

1 code implementation2 Sep 2019 Benjamin Hilprecht, Andreas Schmidt, Moritz Kulessa, Alejandro Molina, Kristian Kersting, Carsten Binnig

The typical approach for learned DBMS components is to capture the behavior by running a representative set of queries and use the observations to train a machine learning model.

Databases

Improving Outbreak Detection with Stacking of Statistical Surveillance Methods

no code implementations17 Jul 2019 Moritz Kulessa, Eneldo Loza Mencía, Johannes Fürnkranz

Our results on synthetic data show that it is challenging to improve the performance with a trainable fusion method based on machine learning.

BIG-bench Machine Learning

Model-based Approximate Query Processing

no code implementations15 Nov 2018 Moritz Kulessa, Alejandro Molina, Carsten Binnig, Benjamin Hilprecht, Kristian Kersting

However, classical AQP approaches suffer from various problems that limit the applicability to support the ad-hoc exploration of a new data set: (1) Classical AQP approaches that perform online sampling can support ad-hoc exploration queries but yield low quality if executed over rare subpopulations.

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