1 code implementation • COLING 2018 • Matthias Cetto, Christina Niklaus, André Freitas, Siegfried Handschuh
We present an Open Information Extraction (IE) approach that uses a two-layered transformation stage consisting of a clausal disembedding layer and a phrasal disembedding layer, together with rhetorical relation identification.
1 code implementation • COLING 2018 • Matthias Cetto, Christina Niklaus, André Freitas, Siegfried Handschuh
In that way, we preserve the context of the relational tuples extracted from a source sentence, generating a novel lightweight semantic representation for Open IE that enhances the expressiveness of the extracted propositions.
1 code implementation • ACL 2019 • Christina Niklaus, Matthias Cetto, Andre Freitas, Siegfried Handschuh
We present an approach for recursively splitting and rephrasing complex English sentences into a novel semantic hierarchy of simplified sentences, with each of them presenting a more regular structure that may facilitate a wide variety of artificial intelligence tasks, such as machine translation (MT) or information extraction (IE).
1 code implementation • 26 Sep 2019 • Christina Niklaus, Matthias Cetto, Andre Freitas, Siegfried Handschuh
We introduce DisSim, a discourse-aware sentence splitting framework for English and German whose goal is to transform syntactically complex sentences into an intermediate representation that presents a simple and more regular structure which is easier to process for downstream semantic applications.
1 code implementation • 24 May 2021 • Christina Niklaus, Matthias Cetto, André Freitas, Siegfried Handschuh
We present a context-preserving text simplification (TS) approach that recursively splits and rephrases complex English sentences into a semantic hierarchy of simplified sentences.
1 code implementation • COLING 2020 • Thiemo Wambsganss, Christina Niklaus, Matthias Söllner, Siegfried Handschuh, Jan Marco Leimeister
In this paper, we present a novel annotation approach to capture claims and premises of arguments and their relations in student-written persuasive peer reviews on business models in German language.
1 code implementation • ACL 2021 • Thiemo Wambsganss, Christina Niklaus, Matthias Söllner, Siegfried Handschuh, Jan Marco Leimeister
We propose an annotation scheme that allows us to model emotional and cognitive empathy scores based on three types of review components.
no code implementations • COLING 2018 • Christina Niklaus, Matthias Cetto, André Freitas, Siegfried Handschuh
We provide a detailed overview of the various approaches that were proposed to date to solve the task of Open Information Extraction.
no code implementations • 16 May 2018 • Siamak Barzegar, Juliano Efson Sales, Andre Freitas, Siegfried Handschuh, Brian Davis
This demonstration presents an infrastructure for computing multilingual semantic relatedness and correlation for twelve natural languages by using three distributional semantic models (DSMs).
no code implementations • 16 May 2018 • Andre Freitas, Siamak Barzegar, Juliano Efson Sales, Siegfried Handschuh, Brian Davis
The results also show that the benefit of using the most informative corpus outweighs the possible errors introduced by the machine translation.
no code implementations • 16 May 2018 • Siamak Barzegar, Andre Freitas, Siegfried Handschuh, Brian Davis
Different semantic interpretation tasks such as text entailment and question answering require the classification of semantic relations between terms or entities within text.
no code implementations • 13 Oct 2017 • Bernhard Bermeitinger, Maria Christoforaki, Simon Donig, Siegfried Handschuh
In this paper, we report on our efforts for using Deep Learning for classifying artifacts and their features in digital visuals as a part of the Neoclassica framework.
no code implementations • COLING 2016 • Christina Niklaus, Bernhard Bermeitinger, Siegfried Handschuh, André Freitas
In this demo paper, we present a text simplification approach that is directed at improving the performance of state-of-the-art Open Relation Extraction (RE) systems.
no code implementations • 7 Mar 2017 • Bernhard Bermeitinger, André Freitas, Simon Donig, Siegfried Handschuh
This short paper outlines research results on object classification in images of Neoclassical furniture.
no code implementations • LREC 2018 • Vivian S. Silva, André Freitas, Siegfried Handschuh
Adopting a conceptual model composed of a set of semantic roles for dictionary definitions, we trained a classifier for automatically labeling definitions, preparing the data to be later converted to a graph representation.
no code implementations • WS 2016 • Vivian S. Silva, Manuela Hürliman, Brian Davis, Siegfried Handschuh, André Freitas
This work provides a critique on the set of abstract relations used for semantic relation classification with regard to their ability to express relationships between terms which are found in a domain-specific corpora.
no code implementations • WS 2016 • Vivian S. Silva, Siegfried Handschuh, André Freitas
Understanding the semantic relationships between terms is a fundamental task in natural language processing applications.
no code implementations • 20 Jun 2018 • Vivian S. Silva, André Freitas, Siegfried Handschuh
Semantic annotation is fundamental to deal with large-scale lexical information, mapping the information to an enumerable set of categories over which rules and algorithms can be applied, and foundational ontology classes can be used as a formal set of categories for such tasks.
no code implementations • 27 Jun 2019 • Bernhard Bermeitinger, Tomas Hrycej, Siegfried Handschuh
Singular Value Decomposition (SVD) constitutes a bridge between the linear algebra concepts and multi-layer neural networks---it is their linear analogy.
no code implementations • 9 Jul 2019 • Vivian S. Silva, André Freitas, Siegfried Handschuh
Artificial Intelligence models are becoming increasingly more powerful and accurate, supporting or even replacing humans' decision making.
no code implementations • 19 Jul 2019 • Bernhard Bermeitinger, Tomas Hrycej, Siegfried Handschuh
This does not directly contradict the theoretical findings---it is possible that the superior representational capacity of deep networks is genuine while finding the mean square minimum of such deep networks is a substantially harder problem than with shallow ones.
no code implementations • WS 2019 • Christina Niklaus, Andre Freitas, Siegfried Handschuh
We compiled a new sentence splitting corpus that is composed of 203K pairs of aligned complex source and simplified target sentences.
no code implementations • 7 Jan 2020 • Simon Donig, Maria Christoforaki, Bernhard Bermeitinger, Siegfried Handschuh
In the last years, image classification processes like neural networks in the area of art-history and Heritage Informatics have experienced a broad distribution (Lang and Ommer 2018).
no code implementations • 25 Sep 2020 • Vivian S. Silva, André Freitas, Siegfried Handschuh
Text entailment, the task of determining whether a piece of text logically follows from another piece of text, is a key component in NLP, providing input for many semantic applications such as question answering, text summarization, information extraction, and machine translation, among others.
no code implementations • 25 Aug 2021 • Reto Gubelmann, Peter Hongler, Siegfried Handschuh
In this article, we explore the potential of transformer-based language models (LMs) to correctly represent normative statements in the legal domain, taking tax law as our use case.
no code implementations • 19 Jan 2022 • Reto Gubelmann, Siegfried Handschuh
In this article, we explore the shallow heuristics used by transformer-based pre-trained language models (PLMs) that are fine-tuned for natural language inference (NLI).
no code implementations • ACL 2022 • Reto Gubelmann, Siegfried Handschuh
In linguistics, there are two main perspectives on negation: a semantic and a pragmatic view.
no code implementations • 15 Sep 2022 • Tomas Hrycej, Bernhard Bermeitinger, Siegfried Handschuh
Determining an appropriate number of attention heads on one hand and the number of transformer-encoders, on the other hand, is an important choice for Computer Vision (CV) tasks using the Transformer architecture.
no code implementations • 15 Sep 2022 • Tomas Hrycej, Bernhard Bermeitinger, Siegfried Handschuh
For strongly nonlinear tasks, both algorithm classes find only solutions fairly poor in terms of mean square error as related to the output variance.
no code implementations • COLING (CODI, CRAC) 2022 • Christina Niklaus, André Freitas, Siegfried Handschuh
We present a discourse-aware text simplification (TS) approach that recursively splits and rephrases complex English sentences into a semantic hierarchy of simplified sentences.
no code implementations • 20 Apr 2023 • Wonseong Kim, Jan Frederic Spörer, Siegfried Handschuh
This research article analyzes the language used in the official statements released by the Federal Open Market Committee (FOMC) after its scheduled meetings to gain insights into the impact of FOMC official statements on financial markets and economic forecasting.
no code implementations • 1 Aug 2023 • Christina Niklaus, Matthias Cetto, André Freitas, Siegfried Handschuh
In that way, we generate a semantic hierarchy of minimal propositions that leads to a novel representation of complex assertions that puts a semantic layer on top of the simplified sentences.
no code implementations • 15 Sep 2023 • Bernhard Bermeitinger, Tomas Hrycej, Siegfried Handschuh
A stack of residual connection layers can be expressed as an expansion of terms similar to the Taylor expansion.