Christoph Weisser

24 papers Journal 18Unranked 5
YearRankTypeTitle / Venue / Authors
2026 J jnl
From XAI to Stories: A Factorial Study of LLM-Generated Explanation Quality.
CoRR
Fabian Lukassen, Jan Herrmann, Christoph Weisser, Benjamin Säfken, Thomas Kneib
2026 J jnl
LLM-Augmented Changepoint Detection: A Framework for Ensemble Detection and Automated Explanation.
CoRR
Fabian Lukassen, Christoph Weisser, Michael Schlee, Manish Kumar, Anton Thielmann, Benjamin Säfken, Thomas Kneib
2026 J jnl
Not All News Is Equal: Topic- and Event-Conditional Sentiment from Finetuned LLMs for Aluminum Price Forecasting.
CoRR
Alvaro Paredes Amorin, Andre Python, Christoph Weisser
2025 J jnl
An iterative topic model filtering framework for short and noisy user-generated data: analyzing conspiracy theories on twitter.
Int. J. Data Sci. Anal.
Gillian Kant, Levin Wiebelt, Christoph Weisser, Krisztina Kis-Katos, Mattias Luber, Benjamin Säfken
2025 J jnl
Fine-tuning of lightweight large language models for sentiment classification on heterogeneous financial textual data.
CoRR
Alvaro Paredes Amorin, Andre Python, Christoph Weisser
2025 J jnl
LabelFusion: Learning to Fuse LLMs and Transformer Classifiers for Robust Text Classification.
CoRR
Michael Schlee, Christoph Weisser, Timo Kivimäki, Melchizedek Mashiku, Benjamin Säfken
2025 J jnl
Probabilistic Topic Modeling With Transformer Representations.
IEEE Trans. Neural Networks Learn. Syst.
Arik Reuter, Anton Thielmann, Christoph Weisser, Benjamin Säfken, Thomas Kneib
2024 J jnl
A Machine Learning and Explainable AI Framework Tailored for Unbalanced Experimental Catalyst Discovery.
CoRR
Parastoo Semnani, Mihail Bogojeski, Florian Bley, Zizheng Zhang, Qiong Wu, Thomas Kneib, Jan Herrmann, Christoph Weisser, Florina Patcas, Klaus-Robert Müller
2024 J jnl
GPTopic: Dynamic and Interactive Topic Representations.
CoRR
Arik Reuter, Anton Thielmann, Christoph Weisser, Sebastian Fischer, Benjamin Säfken
2024 — conf
Human in the Loop: How to Effectively Create Coherent Topics by Manually Labeling Only a Few Documents per Class.
LREC/COLING
Anton Frederik Thielmann, Christoph Weisser, Benjamin Säfken
2024 J jnl
Mambular: A Sequential Model for Tabular Deep Learning.
CoRR
Anton Frederik Thielmann, Manish Kumar, Christoph Weisser, Arik Reuter, Benjamin Säfken, Soheila Samiee
2024 J jnl
One-way ticket to the moon? An NLP-based insight on the phenomenon of small-scale neo-broker trading.
Soc. Netw. Anal. Min.
Gillian Kant, Ivan Zhelyazkov, Anton Thielmann, Christoph Weisser, Michael Schlee, Christoph Ehrling, Benjamin Säfken, Thomas Kneib
2024 J jnl
Probabilistic Topic Modelling with Transformer Representations.
CoRR
Arik Reuter, Anton Thielmann, Christoph Weisser, Benjamin Säfken, Thomas Kneib
2024 — conf
STREAM: Simplified Topic Retrieval, Exploration, and Analysis Module.
ACL (Short Papers)
Anton Thielmann, Arik Reuter, Christoph Weisser, Gillian Kant, Manish Kumar, Benjamin Säfken
2023 — conf
Coherence based Document Clustering.
ICSC
Anton Thielmann, Christoph Weisser, Thomas Kneib, Benjamin Säfken
2023 J jnl
Pseudo-document simulation for comparing LDA, GSDMM and GPM topic models on short and sparse text using Twitter data.
Comput. Stat.
Christoph Weisser, Christoph Gerloff, Anton Thielmann, Andre Python, Arik Reuter, Thomas Kneib, Benjamin Säfken
2022 J jnl
Human in the loop: How to effectively create coherent topics by manually labeling only a few documents per class.
CoRR
Anton Thielmann, Christoph Weisser, Benjamin Säfken
2022 — —
Natural language processing and machine learning applications in the social sciences / submitted by Christoph Johannes Weißer, MSc (Oxon).
Christoph Weisser
2022 — conf
Privacy Estimation on Twitter: Modelling the Effect of Latent Topics on Privacy by Integrating XGBoost, Topic and Generalized Additive Models.
SmartWorld/UIC/ScalCom/DigitalTwin/PriComp/Meta
Arne Tillmann, Lindrit Kqiku, Delphine Reinhardt, Christoph Weisser, Benjamin Säfken, Thomas Kneib
2022 J jnl
Twitmo: A Twitter Data Topic Modeling and Visualization Package for R.
CoRR
Andreas Buchmüller, Gillian Kant, Christoph Weisser, Benjamin Säfken, Krisztina Kis-Katos, Thomas Kneib
2021 J jnl
AuDoLab: Automatic document labelling and classification for extremely unbalanced data.
J. Open Source Softw.
Arne Tillmann, Anton Thielmann, Gillian Kant, Christoph Weisser, Benjamin Säfken, Alexander Silbersdorff, Thomas Kneib
2021 J jnl
Community-Detection via Hashtag-Graphs for Semi-Supervised NMF Topic Models.
CoRR
Mattias Luber, Anton Thielmann, Christoph Weisser, Benjamin Säfken
2021 — conf
Identifying Topical Shifts in Twitter Streams: An Integration of Non-negative Matrix Factorisation, Sentiment Analysis and Structural Break Models for Large Scale Data.
MISDOOM
Mattias Luber, Christoph Weisser, Benjamin Säfken, Alexander Silbersdorff, Thomas Kneib, Krisztina Kis-Katos
2020 J jnl
TTLocVis: A Twitter Topic Location Visualization Package.
J. Open Source Softw.
Gillian Kant, Christoph Weisser, Benjamin Säfken