Publications

Published or Accepted Journal Articles

2023

Supunmali Ahangama, "Relating Social Media Diffusion, Education Level and Cybersecurity Protection Mechanisms to E-Participation Initiatives: Insights from a Cross-Country Analysis", Information Systems Frontiers, 2023.

2022

Y.H.P.P Priyadarshana, L. Ranathunga, "HelaNER 2.0: A Novel Deep Neural Model for Named Entity Boundary Detection", International Journal of Advanced Computer Science and Applications (IJACSA) August 2022 Edition (Volume 13 No 8).


G.S.N. Meedin, H.M.M. Caldera, W.A.S.N. Perera, I. Perera, "A Novel Annotation Scheme to Generate Hate Speech Corpus through Crowdsourcing and Active Learning",International Journal of Advanced Computer Science and Applications (IJACSA) September 2022 Edition (Volume 13 No 11).

Published or Accepted Papers

2023

Rajapaksha,N., Ahangama, S., (2023). "Fine-tuning XLM-R for the detection of Sinhala Hate Speech Content on Social Media", ICARC2023, Sri Lanka.


Hathnapitiya, S., Ahangama, S. & Adikari S., (2023). "Early Detection of Sinhala Fake News in Social Media", ICARC2023, Sri Lanka.


Perera, S., Perera, I., Ahangama, S., (2023), Influence Rank of Hate Users in Twitter: An Analysis during Sri Lanka’s Political and Economic Crisis, International Conference on Advanced Research in Computing 2023, Sri Lanka.


Sarangani Sivarajah, Ahangama, S., (2023), Review of Social Media’s Impact on Initial Coin Offerings, International Conference on Advanced Research in Computing 2023, Sri Lanka

2022

Perera, S., Perera, I., Ahangama, S., (2022).  Exploring Twitter Messages during the COVID-19 Pandemic in Sri Lanka: Topic Modelling and Emotion Analysis, International Conference on Advanced Research in Computing 2022, Sri Lanka.


Perera, S., Perera, I., Ahangama, S., (2022).   The effects of Social Media User Behavioural Factors on Hate Speech Detection, International Conference on Advanced Research in Computing 2022, Sri Lanka.


M. Guruge, S. Ahangama and D. Amarasinghe, (2022). "Analyze Hate Contents on Sinhala Tweets using an Ensemble Method," 2022 2nd International Conference on Advance d Research in Computing (ICARC), 2022, pp. 183-187, doi: 10.1109/ICARC54489.2022.9754160.


M. D. Madhushika, S. Ahangama and D. A. Rajapaksha, (2022). "Analyzing the Impact of Social Media on Sinhala News Dissemination in Mass Media," 2022 2nd International Conference on Advanced Research in Computing (ICARC), 2022, pp. 177-182, doi: 10.1109/ICARC54489.2022.9754025.

2021

Priyadarshana Y.H.P.P, Ranathunga L, Amalraj C.R.J, Perera I, (2021). HelaNER: A Novel Approach for Nested Named Entity Boundary Detection. IEEE EUROCON 2021


De Silva, L.H., Ahangama, S.,(2021, December). Singlish to Sinhala Transliteration Using Rule-Based Approach, 16th IEEE International Conference on Industrial and Information Systems (ICIIS) 2021 ,


Caldera, M. M., Meedin, G.S.N., Perera, W.A. S. N. & Perera, I. (2021). Classification of Trending Videos in YouTube. From Innovation to Impact 2021. , Sri Lanka


De Silva, H., Ahangama, S., Perera, W.A. S. N. (2021). Sinhala Text Extraction from YouTube Thumbnails using Convolutional Spiking Neural Networks. From Innovation to Impact 2021, Sri Lanka


Silva, E., Nandathilaka, M., Dalugoda, S., Amarasinghe, T., Ahangama, S., Weerasuriya, G.T. (2021). Machine Learning-Based Automated Tool to Detect Sinhala Hate Speech in Images, ICITR 2021, Sri Lanla (awarded Best Paper in Artificial Intelligence & Machine Learning Track)


Caldera, M. M., Meedin, G.S.N., Perera, W.A. S. N. & Perera, I. (2021). Long-Term Trend Analysis for Social Media Content Published During COVID-19 Pandemic. International Conference on Advanced Research in Computing 2022, Sri Lanka


Odatha Bandara, Dumika Jayarathne, Dilshani Shashinika, Lochandaka Ranathunga (2021). Ontology Based Fake News Detection for Sinhala Language, 6th International Conference on Information Technology Research (ICITR) 2021, Sri Lanka

2020

1. Rajapaksha, N., Ahangama, S. & Adikari S. (2020, December). Understanding the Role of Psychological Distance in Hate Speech on Social Media.  The Workshop on Information Technology and Systems (WITS) 2020


2. Caldera, M. M., Meedin, G.S.N. & Perera, I. (2020, December). A Peer Recommendation Model to Avoid Hate Speech Engagements in Multiplex Social Networks. From Innovation to Impact 2020. ISBN: 978-0-7381-4428-3


3. Meedin, G.S.N., Caldera, H.M.M., Perera, I.,(2020, December). A User Experience Measuring Technique to Moderate Social Media Contents through Crowdsourcing. From Innovation to Impact 2020. ISBN: 978-0-7381-4428-3


4. Walawage, K.S.A, Ranatunga, L.,(2020, December). Devising of Distinguishable Feature Set for Sinhala and English Script Separation on Social Media Images. From Innovation to Impact 2020,ISBN: 978-0-7381-4428-3


5. Saa, E.D., Ranatunga, L.,(2020, December). Self Reflective and Introspective Feature Model for Hate Content Detection in Sinhala YouTube Videos. From Innovation to Impact 2020, ISBN: 978-0-7381-4428-3


6. Liwera, W.M.P, Ranatunga, L.,(2020,December).Combination of Trigram and Rule-Based Model for Singlish to Sinhala Translation by Focusing Social Media Text. From Innovation to Impact 2020,ISBN: 978-0-7381-4428-3


7. Samarajeewa, S., Ranatunga, L.,(2020, December). An Approach for Resolving Double Character Segmentation in Sinhala Social Media Text Images. From Innovation to Impact 2020, ISBN: 978-0-7381-4428-3


8. Jayasekara, L., Ahangama, S.,(2020, December). Trend Detection in Sinhala Tweets Using Clustering and Ranking Algorithms. From Innovation to Impact 2020, ISBN: 978-0-7381-4428-3

2019

9. Weerasinghe, S N, and Ahangama, S. “A Method to Identify the Current Mood of Social Media Users”, 14th IEEE International Conference on Industrial and Information Systems (ICIIS 2019) (18-20 December 2019, Peradeniya, Sri Lanka)

 
10. Jayasekara, M.L.P., Ahangama, S, "Trend detection using Sinhala Twitter data",  75th Annual Proceedings of Sri Lanka Association for the Advancement of Science (SLAAS 2019) (2-6 December 2019, Colombo, Sri Lanka)
 
11. Wishwanath CHPD and Ahangama, S., "A Personalized Music Recommendation System based on User Mood", 2019 International Conference on Advances in ICT for Emerging Regions (ICTer) (3-4 September 2019, Colombo, Sri Lanka)
 
2018
 
12. Nandathilaka, M, Ahangama, S. and Weerasuriya, G T. “A Rule-based Lemmatizing Approach for Sinhala Language”, 3rd International Conference on Information Technology Research (ICITR 2018), (10-12 December 2018, Colombo, Sri Lanka)
 
13. Wijenayake, S S, Ganiachchi, S C, Wijekoon, J C, and Ahangama, S. “Predicting Tie Strength between Facebook Friends to Improve Accuracy in Travel Recommendation Systems”, 22nd Pacific Asia Conference on Information Systems (PACIS 2018) (26-30 June 2018, Yokohama, Japan)
 
2017
 
14. Wijenayake, S S and Ahangama, S. “Application of user attributes and location tag similarities to handle the cold start problem in travel recommendation systems”, 73rd Annual Proceedings of Sri Lanka Association for the Advancement of Science (SLAAS 2017) (4-8 December 2017, Colombo, Sri Lanka) (awarded the “Best Presentation” award in Section E3 – Computer Science)
 
15. Ganiachchi, S C, Wijenayake, S S, Wijekoon, J C, and Ahangama, S. “Creation of Semantic Location Profiles using Bayes, Rule-Based, Trees and Meta Classification Approaches”, 13th International Conference on Natural Computation, Fuzzy Systems and Knowledge Discovery (ICNC-FSKD 2017) (29-31 July 2017, Guilin, China)
 
 
Abstracts Accepted
 
2022
 
1. H.G.H.S. Hathnapitiya, S. Ahangama, "Fake News Identification Approaches in Social Media Networks", 78th Annual Sessions -2022, Sri Lanka.

2020

2. Caldera, M. M., Meedin, G.S.N. & Perera, I. (2020, November). Time Series Based Trend Analysis for Hate Speech in Sri Lankan Social Media Platforms During COVID 19 Pandemic. 20th International Conference on Advances in ICT for Emerging Regions, Sri Lanka,10.1109/ICTer51097.2020.9325491


3. Walawage, K.S.A., Ranathunga, L.,(2020, December). Separation of Sinhala and English scripts in Social Media images. 76th Annual Sessions -2020, Sri Lanka.104,ISSN: 1391-023X


4. Rajapaksha, N., Ahangama, S.(2020, December). Detection of Hate Speech Content in Sinhala Text Using FastText .76th Annual Sessions -2020, Sri Lanka. Page-103,ISSN: 1391-023X


5. Meedin, G.S.N., Caldera H.M.M.,(2020, December). Hate Speech Corpus Generation using Crowd. 76th Annual Sessions - 2020, Sri Lanka. 166,ISSN: 1391-023X

2019

6. Walawage, K.S.A., Ranathunga, L.,(2019, October). Sinhala character identification of Facebook posts. Paper presented at the 75th Annual Sessions -2019, Sri Lanka.120, ISSN: 1391-023X


7. Jayasekara, M.L.P.,Ahangama, S, (2019,October).Trend detection using Sinhala Twitter data. Paper presented at the 75th Annual Sessions -2019, Sri Lanka.119, ISSN: 1391-023X