no code implementations • 2 May 2024 • Mohammad Abdulla, Johannes Hirth, Gerd Stumme
We introduce the Birkhoff completion as the smallest distributive lattice in which a given finite lattice can be embedded as semi-lattice.
no code implementations • 25 Apr 2024 • Claude Draude, Dominik Dürrschnabel, Johannes Hirth, Viktoria Horn, Jonathan Kropf, Jörn Lamla, Gerd Stumme, Markus Uhlmann
With our work, we contribute towards a qualitative analysis of the discourse on controversies in online news media.
no code implementations • 6 Mar 2024 • Johannes Hirth, Tom Hanika
We introduce and demonstrate the applicability of our approach based on a topic model derived from a corpus of scientific papers taken from 32 top machine learning venues.
no code implementations • 17 Apr 2023 • Johannes Hirth, Viktoria Horn, Gerd Stumme, Tom Hanika
Our method is based on the general notion of ordinal motifs in lattices for the special case of standard scales.
no code implementations • 10 Apr 2023 • Johannes Hirth, Viktoria Horn, Gerd Stumme, Tom Hanika
Lattices are a commonly used structure for the representation and analysis of relational and ontological knowledge.
no code implementations • 17 Feb 2023 • Bernhard Ganter, Tom Hanika, Johannes Hirth
Conceptual Scaling is a useful standard tool in Formal Concept Analysis and beyond.
no code implementations • 10 Feb 2023 • Tom Hanika, Johannes Hirth
Random Forests and related tree-based methods are popular for supervised learning from table based data.
1 code implementation • 27 Sep 2022 • Johannes Hirth, Tom Hanika
Explaining neural network models is a challenging task that remains unsolved in its entirety to this day.
no code implementations • 16 Jun 2022 • Bastian Schäfermeier, Johannes Hirth, Tom Hanika
Based on a multi-graph and a topic model, our proposed network structure accounts for intratopic as well as intertopic flows.
no code implementations • 12 Jun 2021 • Tom Hanika, Johannes Hirth
Dimension reduction of data sets is a standard problem in the realm of machine learning and knowledge reasoning.
no code implementations • 4 Feb 2021 • Tom Hanika, Johannes Hirth
Measurement is a fundamental building block of numerous scientific models and their creation.
no code implementations • 9 Dec 2020 • Tom Hanika, Johannes Hirth
We present a novel approach for data set scaling based on scale-measures from formal concept analysis, i. e., continuous maps between closure systems, and derive a canonical representation.
no code implementations • 26 Feb 2020 • Tom Hanika, Johannes Hirth
Knowledge computation tasks are often infeasible for large data sets.