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Dr Hansi Hettiarachchi

Lecturer in Security and Protection Science

  1. 2022
  2. Published

    Event Causality Identification with Causal News Corpus - Shared Task 3, CASE 2022

    Tan, F. A., Hettiarachchi, H., Hürriyetoğlu, A., Caselli, T., Uca, O., Liza, F. F. & Oostdijk, N., 7/12/2022, Proceedings of the 5th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE). Hürriyetoğlu, A., Tanev, H., Zavarella, V. & Yörük, E. (eds.). Association for Computational Linguistics, p. 195-208 14 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  3. Published

    Extended Multilingual Protest News Detection - Shared Task 1, CASE 2021 and 2022

    Hürriyetoğlu, A., Mutlu, O., Duruşan, F., Uca, O., Gürel, A., Radford, B. J., Dai, Y., Hettiarachchi, H., Stoehr, N., Nomoto, T., Slavcheva, M., Vargas, F., Javid, A., Beyhan, F. & Yörük, E., 7/12/2022, Proceedings of the 5th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE). Hürriyetoğlu, A., Tanev, H., Zavarella, V. & Yörük, E. (eds.). Association for Computational Linguistics

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  4. Published

    TED-S: Twitter Event Data in Sports and Politics with Aggregated Sentiments

    Hettiarachchi, H., Al-Turkey, D., Adedoyin-Olowe, M., Bhogal, J. & Gaber, M. M., 30/06/2022, In: Data. 7, 7, 90.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  5. Published

    The Causal News Corpus: Annotating Causal Relations in Event Sentences from News

    Tan, F. A., Hürriyetoğlu, A., Caselli, T., Oostdijk, N., Nomoto, T., Hettiarachchi, H., Ameer, I., Uca, O., Liza, F. F. & Hu, T., 1/06/2022, Proceedings of the Thirteenth Language Resources and Evaluation Conference. Paris: European Language Resources Association (ELRA), p. 2298-2310 13 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  6. Published

    Embed2Detect: temporally clustered embedded words for event detection in social media

    Hettiarachchi, H., Adedoyin-Olowe, M., Bhogal, J. & Gaber, M. M., 31/01/2022, In: Machine Learning. 111, p. 49-87 39 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  7. 2021
  8. Published

    Embed2Detect: Temporally Clustered Embedded Words for Event Detection in Social Media: Extended Abstract

    Hettiarachchi, H., Adedoyin-Olowe, M., Bhogal, J. & Gaber, M. M., 20/10/2021, 2021 IEEE 8th International Conference on Data Science and Advanced Analytics (DSAA). IEEE, 2 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  9. Published

    Predicting the Economic Impact of the COVID-19 Pandemic in the United Kingdom Using Time-Series Mining

    Rakha, A., Hettiarachchi, H., Rady, D., Gaber, M. M., Rakha, E. & Abdelsamea, M. M., 27/09/2021, In: Economies. 9, 4, 137.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  10. Published

    Can Multilingual Transformers Fight the COVID-19 Infodemic?

    Uyangodage, L., Ranasinghe, T. & Hettiarachchi, H., 1/09/2021, Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2021). INCOMA Ltd, p. 1432-1437 5 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  11. Published

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

    Hettiarachchi, H., Adedoyin-Olowe, M., Bhogal, J. & Gaber, M. M., 6/08/2021, Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021). Association for Computational Linguistics, p. 120-130 10 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  12. Published

    Discovering Black Lives Matter Events in the United States: Shared Task 3, CASE 2021

    Giorgi, S., Zavarella, V., Tanev, H., Stefanovitch, N., Hwang, S., Hettiarachchi, H., Ranasinghe, T., Kalyan, V., Tan, P., Tan, S., Andrews, M., Hu, T., Stoehr, N., Re, F. I., Vegh, D., Atzenhofer, D., Curtis, B. & Hürriyetoğlu, A., 1/08/2021, Proceedings of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021). Association for Computational Linguistics, p. 218-227 9 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

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