Search Results for author: Hansi Hettiarachchi

Found 12 papers, 5 papers with code

DAAI at CASE 2021 Task 1: Transformer-based Multilingual Socio-political and Crisis Event Detection

no code implementations ACL (CASE) 2021 Hansi Hettiarachchi, Mariam Adedoyin-Olowe, Jagdev Bhogal, Mohamed Medhat Gaber

Automatic socio-political and crisis event detection has been a challenge for natural language processing as well as social and political science communities, due to the diversity and nuance in such events and high accuracy requirements.

Event Detection Natural Language Processing

Transformers to Fight the COVID-19 Infodemic

1 code implementation NAACL (NLP4IF) 2021 Lasitha Uyangodage, Tharindu Ranasinghe, Hansi Hettiarachchi

NLP4IF-2021 shared task on fighting the COVID-19 infodemic has been organised to strengthen the research in false information detection where the participants are asked to predict seven different binary labels regarding false information in a tweet.

TransWiC at SemEval-2021 Task 2: Transformer-based Multilingual and Cross-lingual Word-in-Context Disambiguation

no code implementations SEMEVAL 2021 Hansi Hettiarachchi, Tharindu Ranasinghe

Identifying whether a word carries the same meaning or different meaning in two contexts is an important research area in natural language processing which plays a significant role in many applications such as question answering, document summarisation, information retrieval and information extraction.

Information Retrieval Natural Language Processing +1

BRUMS at SemEval-2020 Task 12: Transformer Based Multilingual Offensive Language Identification in Social Media

no code implementations SEMEVAL 2020 Tharindu Ranasinghe, Hansi Hettiarachchi

In this paper, we describe the team \textit{BRUMS} entry to OffensEval 2: Multilingual Offensive Language Identification in Social Media in SemEval-2020.

Language Identification

BRUMS at SemEval-2020 Task 12 : Transformer based Multilingual Offensive Language Identification in Social Media

no code implementations13 Oct 2020 Tharindu Ranasinghe, Hansi Hettiarachchi

In this paper, we describe the team \textit{BRUMS} entry to OffensEval 2: Multilingual Offensive Language Identification in Social Media in SemEval-2020.

Language Identification

InfoMiner at WNUT-2020 Task 2: Transformer-based Covid-19 Informative Tweet Extraction

1 code implementation EMNLP (WNUT) 2020 Hansi Hettiarachchi, Tharindu Ranasinghe

Identifying informative tweets is an important step when building information extraction systems based on social media.

Emoji Powered Capsule Network to Detect Type and Target of Offensive Posts in Social Media

no code implementations RANLP 2019 Hansi Hettiarachchi, Tharindu Ranasinghe

This paper describes a novel research approach to detect type and target of offensive posts in social media using a capsule network.

Natural Language Processing

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