Search Results for author: Lukas Wegmeth

Found 3 papers, 1 papers with code

Revealing the Hidden Impact of Top-N Metrics on Optimization in Recommender Systems

no code implementations16 Jan 2024 Lukas Wegmeth, Tobias Vente, Lennart Purucker

In pursuit of an answer, we exhaustively evaluate the predictive performance of 250 selection strategies besides selecting the top-n. We extensively evaluate each selection strategy over twelve implicit feedback and eight explicit feedback data sets with eleven recommender systems algorithms.

Recommendation Systems Re-Ranking

The Impact of Feature Quantity on Recommendation Algorithm Performance: A Movielens-100K Case Study

1 code implementation13 Jul 2022 Lukas Wegmeth

We compared six different feature sets with varying quantities of features which were generated from the baseline data and evaluated on a total of 19 RecSys algorithms, baseline ML algorithms, Automated Machine Learning (AutoML) pipelines, and state-of-the-art RecSys algorithms that incorporate side information.

AutoML Feature Importance +1

Detecting Handwritten Mathematical Terms with Sensor Based Data

no code implementations12 Sep 2021 Lukas Wegmeth, Alexander Hoelzemann, Kristof Van Laerhoven

The second classifier is a Deep Neural Network that combines convolution layers with recurrent layers to predict windows with a single label, out of the 15 possible classes, at an F1 score of >60%.

Time Series Time Series Analysis

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