[PDF][PDF] Germeval 2017: Shared task on aspect-based sentiment in social media customer feedback

M Wojatzki, E Ruppert, S Holschneider… - Proceedings of the …, 2017 - researchgate.net
This paper describes the GermEval 2017 shared task on Aspect-Based Sentiment Analysis
that consists of four subtasks: relevance, document-level sentiment polarity, aspect-level …

[PDF][PDF] IDS IUCL: investigating feature selection and oversampling for GermEval2017

ZA Sayyed, D Dakota, S Kübler - Shared task on aspect-based …, 2017 - inf.uni-hamburg.de
We present the IDS IUCL contribution to the GermEval 2017 shared task on “Aspectbased
Sentiment in Social Media Customer Feedback”. We choose to compete in both subtasks A …

Towards aspect extraction and classification for opinion mining with deep sequence networks

J Kersting, M Geierhos - Natural Language Processing in Artificial …, 2021 - Springer
This chapter concentrates on aspect-based sentiment analysis, a form of opinion mining
where algorithms detect sentiments expressed about features of products, services, etc. We …

[PDF][PDF] Improved opinion role labelling in parliamentary debates

L Bamberg, I Rehbein, SP Ponzetto - Proceedings of the 18th …, 2022 - aclanthology.org
This paper presents a model for German Opinion Role Labelling (ORL), using the data from
the IGGSA-STEPS 2014 and 2016 shared tasks. We frame the problem as a token …

Out of the mouths of MPs: Speaker attribution in parliamentary debates

I Rehbein, J Ruppenhofer, A Brunner… - Proceedings of the …, 2024 - aclanthology.org
Abstract This paper presents GePaDe_SpkAtt, a new corpus for speaker attribution in
German parliamentary debates, with more than 7,700 manually annotated events of speech …

[LIVRO][B] A new resource and baselines for opinion role labelling in German parliamentary debates

I Rehbein, SP Ponzetto - 2024 - madoc.bib.uni-mannheim.de
Detecting opinions, their holders and targets in parliamentary debates provides an
interesting layer of analysis, for example, to identify frequent targets of opinions for specific …

A descriptive analysis of a German corpus annotated with opinion sources and targets

M Wiegand, L Lapp… - Preliminary proceedings of …, 2019 - ids-pub.bsz-bw.de
We present a descriptive analysis on the two datasets from the shared task on Source,
Subjective Expression and Target Extraction from Political Speeches (STEPS), the only …

A Supervised learning approach for the extraction of opinion sources and targets from German text

M Wiegand, M Chikobava… - … proceedings of the 15th …, 2019 - ids-pub.bsz-bw.de
We present the first systematic supervised learning approach for the extraction of opinion
sources and targets on German language data. A wide choice of different features is …