Search Results for author: Hywel T. P. Williams

Found 3 papers, 1 papers with code

CIDER: Context sensitive sentiment analysis for short-form text

1 code implementation15 Jul 2023 James C. Young, Rudy Arthur, Hywel T. P. Williams

Researchers commonly perform sentiment analysis on large collections of short texts like tweets, Reddit posts or newspaper headlines that are all focused on a specific topic, theme or event.

Sentiment Analysis

Using Semantic Similarity and Text Embedding to Measure the Social Media Echo of Strategic Communications

no code implementations29 Mar 2023 Tristan J. B. Cann, Ben Dennes, Travis Coan, Saffron O'Neill, Hywel T. P. Williams

Online discourse covers a wide range of topics and many actors tailor their content to impact online discussions through carefully crafted messages and targeted campaigns.

Semantic Similarity Semantic Textual Similarity

Complex networks for event detection in heterogeneous high volume news streams

no code implementations28 May 2020 Iraklis Moutidis, Hywel T. P. Williams

In this paper we develop a network-based approach that makes the workingassumption that important news events always involve named entities (such as persons, locationsand organizations) that are linked in news articles.

Change Point Detection Event Detection +1

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