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Keyword Extraction from Tweets Using Weighted Graph

  • Saroj Kumar Biswas
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 768)

Abstract

One of the most important tasks of sentiment analysis of twitter contents is automatic keyword extraction. Vector Space Model (VSM) is one of the most well-known keyword extraction techniques; however it has some limitation such as scalability and sparsity. Graph-based keyword extraction approach is used to overcome those limitations. This paper proposes an unsupervised graph-based keyword extraction method, called Keyword from Weighted Graph (KWG) which uses Node Edge (NE) rank centrality measure to calculate the importance of nodes closeness centrality measure to break the ties among the nodes. The proposed method is validated with two datasets: Uri Attack, and American Election. From the experimental results it is observed that the performances of the proposed method outperform the eigen vector centrality and the textrank centrality measures. The performances are shown in terms of precision, recall, and F-measure.

Keywords

Extraction Sentiment analysis Graph-based model Centrality measure Vector space model 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Department of Computer Science and EngineeringNational Institute of TechnologySilcharIndia

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