ECNU: Multi-level Sentiment Analysis on Twitter Using Traditional Linguistic Features and Word Embedding Features

  • Zhihua Zhang
  • , Guoshun Wu
  • , Man Lan*
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

13 Scopus citations

Abstract

This paper reports our submission to task 10 (Sentiment Analysis on Tweet, SAT) (Rosenthal et al., 2015) in SemEval 2015, which contains five subtasks, i.e., contextual polarity disambiguation (subtask A: expression-level), message polarity classification (subtask B: message-level), topic-based message polarity classification and detecting trends towards a topic (subtask C and D: topic-level), and determining sentiment strength of twitter terms (subtask E: term-level). For the first four subtasks, we built supervised models using traditional features and word embedding features to perform sentiment polarity classification. For subtask E, we first expanded the training data with the aid of external sentiment lexicons and then built a regression model to estimate the sentiment strength. Despite the simplicity of features, our systems rank above the average.

Original languageEnglish
Title of host publicationSemEval 2015 - 9th International Workshop on Semantic Evaluation, co-located with the 2015 Conference of the North American Chapter of the Association for Computational Linguistics
Subtitle of host publicationHuman Language Technologies, NAACL-HLT 2015 - Proceedings
EditorsPreslav Nakov, Torsten Zesch, Daniel Cer, David Jurgens
PublisherAssociation for Computational Linguistics (ACL)
Pages561-567
Number of pages7
ISBN (Electronic)9781941643402
DOIs
StatePublished - 2015
Event9th International Workshop on Semantic Evaluation, SemEval 2015 co-located with the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-HLT 2015 - Denver, United States
Duration: 4 Jun 20155 Jun 2015

Publication series

NameSemEval 2015 - 9th International Workshop on Semantic Evaluation, co-located with the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-HLT 2015 - Proceedings

Conference

Conference9th International Workshop on Semantic Evaluation, SemEval 2015 co-located with the 2015 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-HLT 2015
Country/TerritoryUnited States
CityDenver
Period4/06/155/06/15

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