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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 10 of 10 1 Specification for the Harmonization of Sign Language Annotations ... Kopf, Maria; Schulder, Marc; Hanke, Thomas. - : Universität Hamburg, 2022 BASE Show details 2 Specification for the Harmonization of Sign Language Annotations ... Kopf, Maria; Schulder, Marc; Hanke, Thomas. - : Universität Hamburg, 2022 BASE Show details 3 Overview of Datasets for the Sign Languages of Europe ... Kopf, Maria; Schulder, Marc; Hanke, Thomas. - : Universität Hamburg, 2021 BASE Show details 4 Overview of Datasets for the Sign Languages of Europe ... Kopf, Maria; Schulder, Marc; Hanke, Thomas. - : Universität Hamburg, 2021 BASE Show details 5 Introducing a Lexicon of Verbal Polarity Shifters for English ... Schulder, Marc; Wiegand, Michael; Ruppenhofer, Josef. - : Zenodo, 2018 BASE Show details 6 Introducing a Lexicon of Verbal Polarity Shifters for English ... Schulder, Marc; Wiegand, Michael; Ruppenhofer, Josef. - : Zenodo, 2018 BASE Show details 7 Automatically Creating a Lexicon of Verbal Polarity Shifters: Mono- and Cross-lingual Methods for German ... Schulder, Marc; Wiegand, Michael; Ruppenhofer, Josef. - : Zenodo, 2018 BASE Show details 8 Automatically Creating a Lexicon of Verbal Polarity Shifters: Mono- and Cross-lingual Methods for German ... Schulder, Marc; Wiegand, Michael; Ruppenhofer, Josef. - : Zenodo, 2018 BASE Show details 9 Towards Bootstrapping a Polarity Shifter Lexicon using Linguistic Features ... Schulder, Marc; Wiegand, Michael; Ruppenhofer, Josef. - : Zenodo, 2017 BASE Show details 10 Towards Bootstrapping a Polarity Shifter Lexicon using Linguistic Features ... Schulder, Marc; Wiegand, Michael; Ruppenhofer, Josef; Roth, Benjamin. - : Zenodo, 2017 Abstract: We present a major step towards the creation of the first high-coverage lexicon of polarity shifters. In this work, we bootstrap a lexicon of verbs by exploiting various linguistic features. Polarity shifters, such as “abandon”, are similar to negations (e.g. “not”) in that they move the polarity of a phrase towards its inverse, as in “abandon all hope”. While there exist lists of negation words, creating comprehensive lists of polarity shifters is far more challenging due to their sheer number. On a sample of manually annotated verbs we examine a variety of linguistic features for this task. Then we build a supervised classifier to increase coverage. We show that this approach drastically reduces the annotation effort while ensuring a high-precision lexicon. We also show that our acquired knowledge of verbal polarity shifters improves phrase-level sentiment analysis. Supplementary Data Verbal Shifter Lexicon: doi:10.5281/zenodo.3364812 Sentiment Verb Phrases: doi:10.5281/zenodo.3364812 Word Embedding: ... : This work was partially supported by the German Research Foundation (DFG) under grants RU 1873/2-1 and WI4204/2-1. ... Keyword: Lexical Semantics; Lexicon; Negation; NLP Resources; Sentiment Analysis; Sentiment Polarity URL: https://dx.doi.org/10.5281/zenodo.3365608 https://zenodo.org/record/3365608 BASE Hide details

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