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Erik Velldal
Researcher at University of Oslo
Publications - 86
Citations - 1522
Erik Velldal is an academic researcher from University of Oslo. The author has contributed to research in topics: Sentiment analysis & Computer science. The author has an hindex of 18, co-authored 74 publications receiving 1237 citations.
Papers
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Proceedings Article
Diachronic word embeddings and semantic shifts: a survey
TL;DR: This paper surveys the current state of academic research related to diachronic word embeddings and semantic shifts detection, and proposes several axes along which these methods can be compared, and outlines the main challenges before this emerging subfield of NLP.
Book Chapter
Word vectors, reuse, and replicability: Towards a community repository of large-text resources
TL;DR: An emerging shared repository of large-text resources for creating word vectors, including pre-processed corpora and pre-trained vectors for a range of frameworks and configurations is described, to facilitate reuse, rapid experimentation, and replicability of results.
Posted Content
Diachronic word embeddings and semantic shifts: a survey
TL;DR: A survey of the current state of academic research related to diachronic word embeddings and semantic shifts detection can be found in this article, where the authors discuss the notion of semantic shifts, and then continue with an overview of the existing methods for tracing such time-related shifts with word embedding models.
Journal ArticleDOI
Speculation and negation: Rules, rankers, and the role of syntax
TL;DR: This article explores a combination of deep and shallow approaches to the problem of resolving the scope of speculation and negation within a sentence, specifically in the domain of biomedical research literature and shows that although both approaches perform well in isolation, even better results can be obtained by combining them.
Som å kapp-ete med trollet? Towards MRS-based Norwegian-English machine translation
Stephan Oepen,Helge Dyvik,Jan Tore Lønning,Erik Velldal,Dorothee Beermann,John M. Carroll,Dan Flickinger,Lars Hellan,Janne Bondi Johannessen,Paul Meurer,Torbjørn Nordgård,Victoria Rosén +11 more
TL;DR: A relatively large-scale initiative in high-quality MT based on semantic transfer is presented, reviewing the motivation for this approach, general architecture and components involved, and preliminary experience from a first round of system integration.