123 citations
- Johannes Kepler University of LinzAT11 papers
- Imperial College LondonGB9 papers
- Technical University of MunichDE8 papers
- RWTH Aachen UniversityDE7 papers
- University College DublinIE7 papers
- GESIS - Leibniz Institute for the Social SciencesDE6 papers
- National Institute of InformaticsJP6 papers
- Universität UlmDE6 papers
- University of PerugiaIT6 papers
- University of St.GallenCH6 papers
- University of TübingenDE6 papers
- Carnegie Mellon UniversityUS5 papers
6 papers · 2 filters
Graphene: Semantically-Linked Propositions in Open Information Extraction
Matthias Cetto, Christina Niklaus, André Freitas +1
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, to…
Categorization of Semantic Roles for Dictionary Definitions
Vivian S. Silva, Siegfried Handschuh, André Freitas
Understanding the semantic relationships between terms is a fundamental task in natural language processing applications. While structured resources that can express those relation…
Word Tagging with Foundational Ontology Classes: Extending the WordNet-DOLCE Mapping to Verbs
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 a…
A Survey on Open Information Extraction
Christina Niklaus, Matthias Cetto, André Freitas +1
We provide a detailed overview of the various approaches that were proposed to date to solve the task of Open Information Extraction. We present the major challenges that such syst…
Semantic Relatedness for All (Languages): A Comparative Analysis of Multilingual Semantic Relatedness Using Machine Translation
Andre Freitas, Siamak Barzegar, Juliano Efson Sales +2
This paper provides a comparative analysis of the performance of four state-of-the-art distributional semantic models (DSMs) over 11 languages, contrasting the native language-spec…
Composite Semantic Relation Classification
Siamak Barzegar, Andre Freitas, Siegfried Handschuh +1
Different semantic interpretation tasks such as text entailment and question answering require the classification of semantic relations between terms or entities within text. Howev…