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Dr Hansi Hettiarachchi

Lecturer in Security and Protection Science

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  1. 2025
  2. Published

    SOLD: Sinhala offensive language dataset

    Ranasinghe, T., Nanomi Arachchige, I., Dola Mullage, D., Silva, K., Hettiarachchi, H., Uyangodage, L. & Zampieri, M., 6/03/2025, In: Language Resources and Evaluation. 59, p. 297-337 41 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  3. Published

    CODE-ACCORD: A Corpus of building regulatory data for rule generation towards automatic compliance checking

    Hettiarachchi, H., Dridi, A., Gaber, M. M., Parsafard, P., Bocaneala, N., Breitenfelder, K., Costa, G., Hedblom, M., Juganaru-Mathieu, M., Mecharnia, T., Park, S., Tan, H., Tawil, A.-R. H. & Vakaj, E., 29/01/2025, In: Scientific Data. 12, 1, 170.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  4. Published

    Overview of the First Workshop on Language Models for Low-Resource Languages (LoResLM 2025)

    Hettiarachchi, H., Ranasinghe, T., Rayson, P., Mitkov, R., Gaber, M. M., Dola Mullage, D., Tan, F. A. & Uyangodage, L., 20/01/2025, Proceedings of the First Workshop on Language Models for Low-Resource Languages. Association for Computational Linguistics

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  5. Published

    Proceedings of the First Workshop on Language Models for Low-Resource Languages

    Hettiarachchi, H. (Editor), Ranasinghe, T. (Editor), Rayson, P. (Editor), Mitkov, R. (Editor), Gaber, M. (Editor), Premasiri, D. (Editor), Tan, F. A. (Editor) & Uyangodage, L. (Editor), 20/01/2025, Abu Dhabi, United Arab Emirates: Association for Computational Linguistics.

    Research output: Book/Report/Proceedings › Anthology

  6. 2024
  7. Published

    Human-in-the-Loop Learning with LLMs for Efficient RASE Tagging in Building Compliance Regulations

    Al-Turki, D., Hettiarachchi, H., Gaber, M. M., Abdelsamea, M. M., Basurra, S., Iranmanesh, S., Saadany, H. & Vakaj, E., 31/12/2024, In: IEEE Access. 12, p. 185291-185306 16 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  8. Published

    NSina: A News Corpus for Sinhala

    Hettiarachchi, H., Dola Mullage, D., Uyangodage, L. & Ranasinghe, T., 20/05/2024, Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024). Calzolari, N., Kan, M.-Y., Hoste, V., Lenci, A., Sakti, S. & Xue, N. (eds.). ELRA and ICCL, p. 12307-12312 6 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  9. 2023
  10. Published

    Explainable Event Detection with Event Trigger Identification as Rationale Extraction

    Hettiarachchi, H. & Ranasinghe, T., 4/09/2023, Proceedings of the 14th International Conference on Recent Advances in Natural Language Processing. Angelova, G., Kunilovskaya, M. & Mitkov, R. (eds.). Shoumen, Bulgaria: INCOMA Ltd, p. 507-518 12 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  11. Published

    TTL: transformer-based two-phase transfer learning for cross-lingual news event detection

    Hettiarachchi, H., Adedoyin-Olowe, M., Bhogal, J. & Gaber, M. M., 8/03/2023, In: International Journal of Machine Learning and Cybernetics. 14, p. 2739–2760

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  12. Published

    WhatsUp: An event resolution approach for co-occurring events in social media

    Hettiarachchi, H., Adedoyin-Olowe, M., Bhogal, J. & Gaber, M. M., 7/01/2023, In: Information Sciences. 625, C, p. 553-577 24 p.

    Research output: Contribution to Journal/Magazine › Journal article › peer-review

  13. 2022
  14. 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/Magazine › Journal article › peer-review

  15. 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/Magazine › Journal article › peer-review

  16. 2021
  17. 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/ISSN › Conference contribution/Paper › peer-review

  18. 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/Magazine › Journal article › peer-review

  19. 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/ISSN › Conference contribution/Paper › peer-review

  20. 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/ISSN › Conference contribution/Paper › peer-review

  21. 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/ISSN › Conference contribution/Paper › peer-review

  22. Published

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

    Hettiarachchi, H. & Ranasinghe, T., 1/08/2021, Proceedings of the 15th International Workshop on Semantic Evaluation (SemEval-2021). Association for Computational Linguistics, p. 771-779 9 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  23. Published

    Transformers to Fight the COVID-19 Infodemic

    Uyangodage, L., Ranasinghe, T. & Hettiarachchi, H., 1/06/2021, Proceedings of the Fourth Workshop on NLP for Internet Freedom: Censorship, Disinformation, and Propaganda. Association for Computational Linguistics, p. 130-135 5 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  24. 2020
  25. Published

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

    Ranasinghe, T. & Hettiarachchi, H., 1/12/2020, Proceedings of the Fourteenth Workshop on Semantic Evaluation. Association for Computational Linguistics, p. 1906-1915

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  26. Published

    BRUMS at SemEval-2020 Task 3: Contextualised Embeddings for Predicting the (Graded) Effect of Context in Word Similarity

    Hettiarachchi, H. & Ranasinghe, T., 1/12/2020, Proceedings of the Fourteenth Workshop on Semantic Evaluation. International Committee on Computational Linguistics, p. 142-149

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  27. Published

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

    Hettiarachchi, H. & Ranasinghe, T., 1/11/2020, Proceedings of the Sixth Workshop on Noisy User-generated Text (W-NUT 2020). Association for Computational Linguistics, p. 359-365

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  28. 2019
  29. Published

    BRUMS at HASOC 2019: Deep Learning Models for Multilingual Hate Speech and Offensive Language Identification.

    Ranasinghe, T., Zampieri, M. & Hettiarachchi, H., 12/12/2019, FIRE Working Notes. CEUR Workshop Proceedings, 9 p.

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

  30. Published

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

    Hettiarachchi, H. & Ranasinghe, T., 1/09/2019, Proceedings of the International Conference on Recent Advances in Natural Language Processing (RANLP 2019). INCOMA Ltd, p. 474-480

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

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