Search Results for author: Tobias Schumacher

Found 5 papers, 3 papers with code

Similarity of Neural Network Models: A Survey of Functional and Representational Measures

1 code implementation10 May 2023 Max Klabunde, Tobias Schumacher, Markus Strohmaier, Florian Lemmerich

Measuring similarity of neural networks to understand and improve their behavior has become an issue of great importance and research interest.

Properties of Group Fairness Metrics for Rankings

no code implementations29 Dec 2022 Tobias Schumacher, Marlene Lutz, Sandipan Sikdar, Markus Strohmaier

By virtue of their diverse application contexts, we argue that such a comparative analysis is not straightforward.

Fairness

A Comparative Evaluation of Quantification Methods

1 code implementation4 Mar 2021 Tobias Schumacher, Markus Strohmaier, Florian Lemmerich

More generally, we find that the performance on multiclass quantification is inferior to the results obtained in the binary setting.

Multiclass Quantification

The Effects of Randomness on the Stability of Node Embeddings

2 code implementations20 May 2020 Tobias Schumacher, Hinrikus Wolf, Martin Ritzert, Florian Lemmerich, Jan Bachmann, Florian Frantzen, Max Klabunde, Martin Grohe, Markus Strohmaier

We systematically evaluate the (in-)stability of state-of-the-art node embedding algorithms due to randomness, i. e., the random variation of their outcomes given identical algorithms and graphs.

General Classification Node Classification

Privacy Attacks on Network Embeddings

no code implementations23 Dec 2019 Michael Ellers, Michael Cochez, Tobias Schumacher, Markus Strohmaier, Florian Lemmerich

In that setting, we analyze whether after the removal of the node from the network and the deletion of the vector representation of the respective node in the embedding significant information about the link structure of the removed node is still encoded in the embedding vectors of the remaining nodes.

Network Embedding

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