no code implementations • ACL (NL4XAI, INLG) 2020 • Lea Krause, Piek Vossen
With more agents deployed than ever, users need to be able to interact and cooperate with them in an effective and comfortable manner.
1 code implementation • COLING (CRAC) 2022 • Jaap Kruijt, Piek Vossen
In this paper, we frame the problem of co-reference resolution in dialogue as a dynamic social process in which mentions to people previously known and newly introduced are mixed when people know each other well.
1 code implementation • TRAC (COLING) 2022 • Baran Barbarestani, Isa Maks, Piek Vossen
We therefore created a crowd-annotation task to mark the spans of words that refer to target communities as an extension of the HateXplain data set.
no code implementations • LREC 2022 • Jenia Kim, Stella Verkijk, Edwin Geleijn, Marieke van der Leeden, Carel Meskers, Caroline Meskers, Sabina van der Veen, Piek Vossen, Guy Widdershoven
However, the language in these records is very different from standard language and generic natural language processing tools cannot easily be applied out-of-the-box.
no code implementations • LREC 2022 • Stella Verkijk, Piek Vossen
Adopting the fill-mask task where the model predicts what tokens are most probable in a certain context, it was tested how often the model will predict a name in a context where a name should be.
no code implementations • LREC 2022 • Levi Remijnse, Piek Vossen, Antske Fokkens, Sam Titarsolej
This article presents the first output of the Dutch FrameNet annotation tool, which facilitates both referential- and frame annotations of language-independent corpora.
no code implementations • SemEval (NAACL) 2022 • Fadi Hassan, Wondimagegnhue Tufa, Guillem Collell, Piek Vossen, Lisa Beinborn, Adrian Flanagan, Kuan Eeik Tan
This paper presents our system used to participate in task 11 (MultiCONER) of the SemEval 2022 competition.
1 code implementation • IWCS (ACL) 2021 • Levi Remijnse, Marten Postma, Piek Vossen
In this paper, we measure variation in framing as a function of foregrounding and backgrounding in a co-referential corpus with a range of temporal distance.
1 code implementation • EMNLP (LaTeCHCLfL, CLFL, LaTeCH) 2021 • Sophie I. Arnoult, Lodewijk Petram, Piek Vossen
We consider monolingual and multilingual models from the perspective of historical texts, and in particular for texts enriched with editorial notes: how do language models deal with the historical and editorial content in these texts?
no code implementations • GWC 2018 • Piek Vossen, Filip Ilievski, Marten Postrma
In this paper, we present ReferenceNet: a semantic-pragmatic network of reference relations between synsets.
no code implementations • GWC 2019 • Pia Sommerauer, Antske Fokkens, Piek Vossen
We provide hypotheses on which properties are reflected in distributional data or not based on the type of relation.
no code implementations • GWC 2016 • Francis Bond, Piek Vossen, John McCrae, Christiane Fellbaum
This paper introduces the motivation for and design of the Collaborative InterLingual Index (CILI).
no code implementations • GWC 2016 • Roxane Segers, Egoitz Laparra, Marco Rospocher, Piek Vossen, German Rigau, Filip Ilievski
This paper presents the Event and Implied Situation Ontology (ESO), a resource which formalizes the pre and post situations of events and the roles of the entities affected by an event.
1 code implementation • GWC 2016 • Marten Postma, Emiel van Miltenburg, Roxane Segers, Anneleen Schoen, Piek Vossen
We describe Open Dutch WordNet, which has been derived from the Cornetto database, the Princeton WordNet and open source resources.
no code implementations • GWC 2016 • Piek Vossen, Francis Bond, John McCrae
In this paper, we describe a new and improved Global Wordnet Grid that takes advantage of the Collaborative InterLingual Index (CILI).
no code implementations • 24 Dec 2024 • Piek Vossen, Selene Báez Santamaría, Lenka Bajčetić, Thomas Belluci
In this paper, we describe a number of Natural Language Understanding models that extract explicit symbolic triples from social conversation.
no code implementations • 27 Jun 2024 • Selene Baez Santamaria, Shihan Wang, Piek Vossen
We develop an artificial agent motivated to augment its knowledge base beyond its initial training.
1 code implementation • 22 May 2024 • Wondimagegnhue Tsegaye Tufa, Ilia Markov, Piek Vossen
Social media conversations frequently suffer from toxicity, creating significant issues for users, moderators, and entire communities.
1 code implementation • 29 Apr 2024 • Wondimagegnhue Tsegaye Tufa, Ilia Markov, Piek Vossen
Toxic language remains an ongoing challenge on social media platforms, presenting significant issues for users and communities.
1 code implementation • 29 Apr 2024 • Wondimagegnhue Tsegaye Tufa, Ilia Markov, Piek Vossen
Cross-lingual transfer has become an effective way of transferring knowledge between languages.
no code implementations • 29 Apr 2024 • Stefan F. Schouten, Peter Bloem, Ilia Markov, Piek Vossen
Recent work has demonstrated that the latent spaces of large language models (LLMs) contain directions predictive of the truth of sentences.
no code implementations • 11 Mar 2024 • Michiel van der Meer, Enrico Liscio, Catholijn M. Jonker, Aske Plaat, Piek Vossen, Pradeep K. Murukannaiah
We find that, on the one hand, HyEnA achieves higher coverage and precision than a state-of-the-art automated method when compared to a common set of diverse opinions, justifying the need for human insight.
no code implementations • 2 Feb 2024 • Michiel van der Meer, Piek Vossen, Catholijn M. Jonker, Pradeep K. Murukannaiah
Presenting high-level arguments is a crucial task for fostering participation in online societal discussions.
1 code implementation • 24 Oct 2023 • Michiel van der Meer, Piek Vossen, Catholijn M. Jonker, Pradeep K. Murukannaiah
We investigate a hypothesis that differences in personal values are indicative of disagreement in online discussions.
1 code implementation • 23 Oct 2023 • Stefan F. Schouten, Peter Bloem, Ilia Markov, Piek Vossen
But no resources exist to evaluate how well Large Language Models can use explicit reasoning to resolve ambiguity in language.
1 code implementation • 16 Jun 2023 • Stefan F. Schouten, Baran Barbarestani, Wondimagegnhue Tufa, Piek Vossen, Ilia Markov
Given the dynamic nature of toxic language use, automated methods for detecting toxic spans are likely to encounter distributional shift.
1 code implementation • 5 Dec 2022 • Taewoon Kim, Michael Cochez, Vincent François-Lavet, Mark Neerincx, Piek Vossen
Inspired by the cognitive science theory of the explicit human memory systems, we have modeled an agent with short-term, episodic, and semantic memory systems, each of which is modeled with a knowledge graph.
Ranked #1 on
RoomEnv-v1
on RoomEnv-v1
1 code implementation • CCGPK (COLING) 2022 • Selene Báez Santamaría, Piek Vossen, Thomas Baier
We present a new method based on episodic Knowledge Graphs (eKGs) for evaluating (multimodal) conversational agents in open domains.
no code implementations • 1 Jun 2022 • Thomas Baier, Selene Baez Santamaria, Piek Vossen
The paper describes a flexible and modular platform to create multimodal interactive agents.
1 code implementation • 4 Apr 2022 • Taewoon Kim, Michael Cochez, Vincent Francois-Lavet, Mark Neerincx, Piek Vossen
Inspired by the cognitive science theory, we explicitly model an agent with both semantic and episodic memory systems, and show that it is better than having just one of the two memory systems.
Ranked #1 on
RoomEnv-v0
on RoomEnv-v0
1 code implementation • 26 Aug 2021 • Taewoon Kim, Piek Vossen
We present EmoBERTa: Speaker-Aware Emotion Recognition in Conversation with RoBERTa, a simple yet expressive scheme of solving the ERC (emotion recognition in conversation) task.
Ranked #9 on
Emotion Recognition in Conversation
on CPED
no code implementations • COLING 2020 • Pia Sommerauer, Antske Fokkens, Piek Vossen
We establish an additional, agreement-independent quality metric based on answer-coherence and evaluate it in comparison to existing metrics.
no code implementations • LREC 2020 • Ant{\'o}nio Branco, Nicoletta Calzolari, Piek Vossen, Gertjan van Noord, Dieter van Uytvanck, Jo{\~a}o Silva, Lu{\'\i}s Gomes, Andr{\'e} Moreira, Willem Elbers
n this paper, we introduce a new type of shared task {---} which is collaborative rather than competitive {---} designed to support and fosterthe reproduction of research results.
no code implementations • LREC 2020 • Roser Morante, Chantal van Son, Isa Maks, Piek Vossen
In this paper we present the Vaccination Corpus, a corpus of texts related to the online vaccination debate that has been annotated with three layers of information about perspectives: attribution, claims and opinions.
no code implementations • LREC 2020 • Piek Vossen, Filip Ilievski, Marten Postma, Antske Fokkens, Gosse Minnema, Levi Remijnse
In this article, we lay out the basic ideas and principles of the project Framing Situations in the Dutch Language.
no code implementations • LREC 2020 • Marten Postma, Levi Remijnse, Filip Ilievski, Antske Fokkens, Sam Titarsolej, Piek Vossen
The user can apply two types of annotations: 1) mappings from expressions to frames and frame elements, 2) reference relations from mentions to events and participants of the structured data.
1 code implementation • WS 2018 • Emiel van Miltenburg, Desmond Elliott, Piek Vossen
This taxonomy serves as a reference point to think about how other people should be described, and can be used to classify and compute statistics about labels applied to people.
no code implementations • 1 Oct 2018 • Filip Ilievski, Eduard Hovy, Qizhe Xie, Piek Vossen
The human mind is a powerful multifunctional knowledge storage and management system that performs generalization, type inference, anomaly detection, stereotyping, and other tasks.
no code implementations • COLING 2018 • Minh Le, Marten Postma, Jacopo Urbani, Piek Vossen
LSTM-based language models have been shown effective in Word Sense Disambiguation (WSD).
1 code implementation • COLING 2018 • Chantal van Son, Roser Morante, Lora Aroyo, Piek Vossen
This paper reports on a reimplementation of a system on detecting implicit positive meaning from negated statements.
no code implementations • COLING 2018 • Filip Ilievski, Piek Vossen, Stefan Schlobach
In this paper we report on a series of hypotheses regarding the long tail phenomena in entity linking datasets, their interaction, and their impact on system performance.
1 code implementation • COLING 2018 • Emiel van Miltenburg, Desmond Elliott, Piek Vossen
Automatic image description systems typically produce generic sentences that only make use of a small subset of the vocabulary available to them.
1 code implementation • 5 Jun 2018 • Piek Vossen, Selene Baez, Lenka Bajčetić, Bram Kraaijeveld
Our state of mind is based on experiences and what other people tell us.
no code implementations • SEMEVAL 2018 • Marten Postma, Filip Ilievski, Piek Vossen
This paper discusses SemEval-2018 Task 5: a referential quantification task of counting events and participants in local, long-tail news documents with high ambiguity.
no code implementations • SEMEVAL 2018 • Pia Sommerauer, Antske Fokkens, Piek Vossen
This paper presents the two systems submitted by the meaning space team in Task 10 of the SemEval competition 2018 entitled Capturing discriminative attributes.
no code implementations • SEMEVAL 2018 • Piek Vossen
In this paper, we describe the participation of the NewsReader system in the SemEval-2018 Task 5 on Counting Events and Participants in the Long Tail.
no code implementations • 22 Jan 2018 • Antske Fokkens, Serge ter Braake, Niels Ockeloen, Piek Vossen, Susan Legêne, Guus Schreiber, Victor de Boer
This paper describes BiographyNet, a digital humanities project (2012-2016) that brings together researchers from history, computational linguistics and computer science.
no code implementations • WS 2017 • Maarten van Meersbergen, Piek Vossen, Janneke van der Zwaan, Antske Fokkens, Willem van Hage, Inger Leemans, Isa Maks
Complexity of event data in texts makes it difficult to assess its content, especially when considering larger collections in which different sources report on the same or similar situations.
1 code implementation • RANLP 2017 • Antske Fokkens, Piek Vossen, Marco Rospocher, Rinke Hoekstra, Willem Robert van Hage
When people or organizations provide information, they make choices regarding what information they include and how they present it.
no code implementations • WS 2017 • Roxane Segers, Tommaso Caselli, Piek Vossen
In this paper we describe the ongoing work on the Circumstantial Event Ontology (CEO), a newly developed ontology for calamity events that models semantic circumstantial relations between event classes.
no code implementations • WS 2017 • Tommaso Caselli, Piek Vossen
This paper reports on the Event StoryLine Corpus (ESC) v1. 0, a new benchmark dataset for the temporal and causal relation detection.
1 code implementation • WS 2017 • Emiel van Miltenburg, Desmond Elliott, Piek Vossen
Automatic image description systems are commonly trained and evaluated on large image description datasets.
no code implementations • 13 Apr 2017 • Piek Vossen, Agata Cybulska
In this paper we describe a method to detect event descrip- tions in different news articles and to model the semantics of events and their components using RDF representations.
no code implementations • COLING 2016 • Filip Ilievski, Marten Postma, Piek Vossen
Semantic text processing faces the challenge of defining the relation between lexical expressions and the world to which they make reference within a period of time.
1 code implementation • COLING 2016 • Marten Postma, Ruben Izquierdo Bevia, Piek Vossen
Current Word Sense Disambiguation systems show an extremely poor performance on low frequent senses, which is mainly caused by the difference in sense distributions between training and test data.
no code implementations • LREC 2016 • Roxane Segers, Marco Rospocher, Piek Vossen, Egoitz Laparra, German Rigau, Anne-Lyse Minard
This paper presents the Event and Implied Situation Ontology (ESO), a manually constructed resource which formalizes the pre and post situations of events and the roles of the entities affected by an event.
no code implementations • LREC 2016 • Marten Postma, Ruben Izquierdo, Eneko Agirre, German Rigau, Piek Vossen
Word Sense Disambiguation (WSD) systems tend to have a strong bias towards assigning the Most Frequent Sense (MFS), which results in high performance on the MFS but in a very low performance on the less frequent senses.
no code implementations • LREC 2016 • Chantal van Son, Tommaso Caselli, Antske Fokkens, Isa Maks, Roser Morante, Lora Aroyo, Piek Vossen
In the last decade, different aspects of linguistic encoding of perspectives have been targeted as separated phenomena through different annotation initiatives.
no code implementations • LREC 2014 • Agata Cybulska, Piek Vossen
In this paper we examine the representativeness of the EventCorefBank (ECB, Bejan and Harabagiu, 2010) with regards to the language population of large-volume streams of news.
no code implementations • LREC 2014 • Chantal van Son, Marieke van Erp, Antske Fokkens, Piek Vossen
Both sentiment and event factuality are fundamental information levels for our understanding of events mentioned in news texts.
no code implementations • LREC 2014 • Isa Maks, Ruben Izquierdo, Francesca Frontini, Rodrigo Agerri, Piek Vossen, Andoni Azpeitia
In this paper we focus on the creation of general-purpose (as opposed to domain-specific) polarity lexicons in five languages: French, Italian, Dutch, English and Spanish using WordNet propagation.
no code implementations • LREC 2014 • Marieke van Erp, Gleb Satyukov, Piek Vossen, Marit Nijsen
Daily news streams often revolve around topics that span over a longer period of time such as the global financial crisis or the healthcare debate in the US.
no code implementations • LREC 2014 • Antske Fokkens, Serge ter Braake, Niels Ockeloen, Piek Vossen, Susan Leg{\^e}ne, Guus Schreiber
When NLP is used to support research in the humanities, new methodological issues come into play.
no code implementations • LREC 2014 • Piek Vossen, German Rigau, Luciano Serafini, Pim Stouten, Francis Irving, Willem van Hage
The European project NewsReader develops technology to process daily news streams in 4 languages, extracting what happened, when, where and who was involved.
no code implementations • LREC 2012 • Piek Vossen, Attila G{\"o}r{\"o}g, Rub{\'e}n Izquierdo, Antal Van den Bosch
Word Sense Disambiguation (WSD) systems require large sense-tagged corpora along with lexical databases to reach satisfactory results.
no code implementations • LREC 2012 • Isa Maks, Piek Vossen
In this paper we propose a method to build fine-grained subjectivity lexicons including nouns, verbs and adjectives.
no code implementations • LREC 2012 • Egoitz Laparra, German Rigau, Piek Vossen
This paper describes the connection of WordNet to a generic ontology based on DOLCE.