Dittaya Wanvarie

AI Grading

• Sakchote Khemmarach, Kasidech Aewsrisakul, Norasetha Somboon, Chulaporn Kongkeo, Dittaya Wanvarie. Adaptive Prompt-Based AES: A Teacher-AI Collaborative System for Improving Essay Scoring Accuracy over Time. TALE (2025).

Document processing, financial data processing

• Gavin Kijkul, Jidapa Thadajarassiri, Dittaya Wanvarie. Rank-to-Positive: A Metric for Explaining Sampling Effectiveness in Active Learning for Text Retrieval. KST (2026).
• Kittiphat Leesombatwathana, Natthawut Kertkeidkachorn, Dittaya Wanvarie. Effect of Multilingual and Translation-Augmented Data on Multilingual and Language-Specific BERT Models for Promise Verification. iSAI-NLP (2026).
• Kittiphat Leesombatwathana, Wisarut Tangtemjit, Dittaya Wanvarie. CSCU at SemEval-2025 Task 6: Enhancing Promise Verification with Paraphrase and Synthesis Augmentation: Effects on Model Performance. Best System Paper at SemEval Task 6: PromiseEval (2025).
• Naphatta Chinaksorn, Dittaya Wanvarie. LLM-RAG for Financial Question Answering: A Case Study from SET50. ICAIIC (2025).
• Tse Lin Liu, Dittaya Wanvarie. Enhancing Financial Market Predictions in Taiwan: A Hybrid Approach of Traditional Analysis and Machine Learning Techniques. TIMES-iCON (2024).
• Phanthakan Kiatphaisansophon, Dittaya Wanvarie, Nagul Cooharojananone. Efficient Text Bounding Box Identification Using Mask R-CNN: Case of Thai Documents. IEEE Access. (2024) Volume 12, 1 April 2024, pp. 49306 - 49328.

Neurodegenerative disease detection from recorded speech

• Gun Wirojburapa, Dittaya Wanvarie. Dementia Detection Using Transfer Learning from Recorded Speech. KST (2025).
• Wiput Thirapanish, Pittipol Kantavat, Dittaya Wanvarie, Ekapol Chuangsuwanich, Proadpran Punyabukkana. Evaluating Machine Learning-Based Feature Selection Methods for Diagnosing Parkinson's Disease under the SVM Framework. ICAIBD (2024) pp. 409 - 415.
• Pimarn Kantithammakorn, Proadpran Punyabukkana, Ploy N. Pratanwanich, Solaphat Hemrungrojn, Chaipat Chunharas, Dittaya Wanvarie. Using Automatic Speech Recognition to Assess Thai Speech Language Fluency in the Montreal Cognitive Assessment (MoCA). Sensors. (2022) Volume 22, Issue 4, pp. 1583.
• Suppat Metarugcheep, Proadpran Punyabukkana, Dittaya Wanvarie, Solaphat Hemrungrojn, Chaipat Chunharas, Ploy N. Pratanwanich. Selecting the Most Important Features for Predicting Mild Cognitive Impairment from Thai Verbal Fluency Assessments. Sensors. (2022) Volume 22, Issue 15, pp. 5813.
• Wirot Treemongkolchok, Proadpran Punyabukkana, Dittaya Wanvarie, Ploy N. Pratanwanich. An Analysis of Acoustic Features for Attention Score in Thai MoCA Assessment iSAI-NLP (2022).

Learning management supporting systems

• Pravee Kruachottikul, Pinnaree Tea-makorn, Nagul Cooharojananone, Atiwong Suchato, Lunchakorn Wuttisittikulkij, Dittaya Wanvarie, Natawut Nupairoj, Kittikul Kovitanggoon, Napat Cheetanom, Gridsada Phanomchoeng. Designing ChulaVerse: A Virtual World for Sustainable Community Engagement. ITHET (2024).
• Sirawit Tantiphuwanart, Nuengwong Tuaycharoen, Dittaya Wanvarie, Naruemon Pratanwanich, Atiwong Suchato. Performance Improvement on a Learning Assessment Web Application Using AWS DynamoDB as a Cache Database. JCSSE (2023).
• Supagid Gidvarowart, Atiwong Suchato, Dittaya Wanvarie, Naruemon Pratanwanich, Nuengwong Tuaycharoen. Automated API Testing with Karate Framework: A Case Study of an Online Assessment Web Application. JCSSE (2023).
• Tatchanon Srisamudh, Atiwong Suchato, Dittaya Wanvarie, Naruemon Pratanwanich, Nuengwong Tuaycharoen. Automatic User Interface Testing for Web Application with Cypress Framework: A Case Study of an Online Assessment Web Application. NCCIT (2023).
• Watcha Sasawattakul, Atiwong Suchato, Dittaya Wanvarie, Naruemon Pratanwanich, Nuengwong Tuaycharoen. Design and Development of the Back-End System for an Online Learning Assessment Platform. ANSCSE (2023).
• Subtawee Hanyut, Nuengwong Tuaycharoen, Naruemon Pratanwanich, Dittaya Wanvarie, Atiwong Suchato. Cost-Sensitive Cloud Architecture for an Online Assessment Web Application. ANSCSE (2023).
• Pantira Chinsuwan, Wilawan W.Wilodjananunt, Dittaya Wanvarie, Nithipun Suksumek, Kullasate Sakpichaisakul, Thitiwan Simasathien, Charcrin Nabangchang, Piradee Suwanpakdee. Feasibility of mobile phone application "Epilepsy care" for self-management of children and adolescents with epilepsy in Phramongkutklao hospital: A randomized controlled trial. Epilepsy & Behavior. (2024) Volume 151, 109598.

Contextual advertising, lightly-supervised learning

• Yiping Jin, Akshay Bhatia, Dittaya Wanvarie, Phu T. V. Le. Towards improving coherence and diversity of slogan generation. Natural Language Engineering. (2023) Volume 29, Issue 2, March 2023, pp. 254 - 286. [Local archive]
• Yiping Jin, Dittaya Wanvarie, Phu T. V. Le. Learning from Noisy Out-of-Domain Corpus Using Dataless Classification. Natural Language Engineering. (2022) Volume 28 , Issue 1 , January 2022 , pp. 39 - 69. [Local archive and accompanying dataset]
• Yiping Jin, Vishakha Kadam, Dittaya Wanvarie. Plot Writing From Pre-Trained Language Models INLG (2022). pp. 52--67.
• Yiping Jin, Dittaya Wanvarie, Phu T. V. Le. Bridging the Gap Between Research and Production with CODE PAKDD (2019). pp. 277--288.
• Nontawat Charoenphakdee, Jongyeong Lee, Yiping Jin, Dittaya Wanvarie, Masashi Sugiyama. Learning Only from Relevant Keywords and Unlabeled Documents EMNLP-IJCNLP (2019). pp. 3993--4002.
• Yiping Jin, Dittaya Wanvarie, Phu L. Combining Lightly-Supervised Text Classification Models for Accurate Contextual Advertising. EMNLP (2017). pp. 545--554.

Speech, music processing

• Kawisorn Kamtue, Kasina Euchukanonchai, Dittaya Wanvarie, Naruemon Pratanwanich. Lukthung Classification Using Neural Networks on Lyrics and Audios. ICSEC (2019). pp. 269--274.
• Supasit Chuwatthananurux, Dittaya Wanvarie. Improving noise estimation with RAPT pitch voice activity detection under low SNR condition KST (2016). pp. 77--82.

Corpus construction

• Dittaya Wanvarie, Sansanee Ek-atchariya, Thanakon Kaewwipat. Unsupervised construction of a word list on tourism from Wikipedia ICSEC (2015). pp. 1--6.

Sequence alignment and semi-supervised learning

• Dittaya Wanvarie. Thai Grapheme-Phoneme Alignment: Many-to-Many Alignment with Discontinuous Patterns ACIIDS (2014). pp. 63--72.
• Dittaya Wanvarie. Active Learning with Partially Annotated Sequence Doctoral thesis. (2011).
• Dittaya Wanvarie, Hiroya Takamura, Manabu Okumura. Accelerating the Sequence Annotation using Split Annotation with Active Learning. IJCLA (Volume 2) No. 1-2 (Jan-Dec 2011). pp. 105--119.
• Dittaya Wanvarie, Hiroya Takamura, Manabu Okumura. Active Learning for Sequence Labelling with Probability Re-estimation. PRICAI (2010). pp 681--686.
• Dittaya Wanvarie, Hiroya Takamura, Manabu Okumura. Active Learning with Partially Annotated Sequence. 研究報告自然言語処理 (NL) (Volume 2010) Issue 4 (2010). pp 1--7.
• Dittaya Wanvarie, Hiroya Takamura, Manabu Okumura. Character-based Thai Named Entity Recognition. ANLP (2009). pp. 8--11.
• Dittaya Wanvarie, Hiroya Takamura, Manabu Okumura. Simplicity Bias for Semi-Supervised Parser. ANLP (2008). pp. 83--86.