Search Results for author: Michael Röder

Found 9 papers, 7 papers with code

LOLA -- An Open-Source Massively Multilingual Large Language Model

1 code implementation17 Sep 2024 Nikit Srivastava, Denis Kuchelev, Tatiana Moteu Ngoli, Kshitij Shetty, Michael Röder, Hamada Zahera, Diego Moussallem, Axel-Cyrille Ngonga Ngomo

This paper presents LOLA, a massively multilingual large language model trained on more than 160 languages using a sparse Mixture-of-Experts Transformer architecture.

Diversity Language Modeling +4

Performance Evaluation of Knowledge Graph Embedding Approaches under Non-adversarial Attacks

no code implementations9 Jul 2024 Sourabh Kapoor, Arnab Sharma, Michael Röder, Caglar Demir, Axel-Cyrille Ngonga Ngomo

We close this gap by evaluating the impact of non-adversarial attacks on the performance of 5 state-of-the-art KGE algorithms on 5 datasets with respect to attacks on 3 attack surfaces-graph, parameter, and label perturbation.

Knowledge Graph Embedding Question Answering

ORCA: a Benchmark for Data Web Crawlers

1 code implementation17 Dec 2019 Michael Röder, Geraldo de Souza, Denis Kuchelev, Abdelmoneim Amer Desouki, Axel-Cyrille Ngonga Ngomo

Although Data Web crawlers exist, and general Web crawlers could be adapted to focus on the Data Web, there is currently no benchmark to fairly evaluate their performance.

Databases Performance

Using Multi-Label Classification for Improved Question Answering

1 code implementation24 Oct 2017 Ricardo Usbeck, Michael Hoffmann, Michael Röder, Jens Lehmann, Axel-Cyrille Ngonga Ngomo

In particular, we develop a multi-label classification-based metasystem for question answering over 6 existing systems using an innovative set of 14 question features.

Classification General Classification +3

Evaluating topic coherence measures

no code implementations25 Mar 2014 Frank Rosner, Alexander Hinneburg, Michael Röder, Martin Nettling, Andreas Both

Topic models extract representative word sets - called topics - from word counts in documents without requiring any semantic annotations.

Philosophy Topic Models

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