Publications
Journal Articles (Refereed)
- Soft Confidence: Conservative Confidence Measure Using Frequency-Based Uncertainty
- Empirical Assessment of Deepfake Detection: Advancing Judicial Evidence Verification through Artificial Intelligence
- Responsibility Evaluation in Vehicle Collisions from Driving Recorder Videos Using Open Data
- Semi-Automatic Category Estimation and Data Augmentation for Opinion Extraction of Product Components
- Developing an AR Lecture Recording System with Direct Manipulation of Virtual Slides by Physical Objects
- Efficient Likelihood Ratio Estimation Method for Low- and Zero-frequency N-grams Using Feature Selection
- Who Was Wrong? An Object Detection Based Responsibility Assessment System for Crossroad Vehicle Collisions
- Helton Agbewonou Yawovi, Masato Kikuchi, Tadachika Ozono
- AI, vol.3, no.4, pp.844-862, 2022.
- IF=3.1, SJR=0.76, Q2 Journal (2023)
- Unified Likelihood Ratio Estimation for High- to Zero-frequency N-grams
- Conservative Direct Estimation for Likelihood Ratios based on Observed Frequencies
- Conservative Estimation for Conditional Probability
Conference Papers (Refereed)
- Design of Web and Mobile Vocabulary Visualization Tools Using WordNet Semantic Distance (accepted)
- CEFR-Annotated WordNet: LLM-Based Proficiency-Guided Semantic Database for Language Learning (accepted)
- Script-to-Slide Grounding: Grounding Script Sentences to Slide Objects for Automatic Instructional Video Generation
- Developing an Explainable Paper Retrieval System with Less Reliance on LLMs
- Assessing Lecture Difficulty and Unexpected Events Using Subtle Facial Cues
- Customer Analysis and Text Generation for Small Retail Stores Using LLM-Generated Marketing Presence
- On-Demand Instructional Material Providing Agent Based on MLLM for Tutoring Support
- Toward Structured Understanding of Human--Wildlife Conflict News: Malaysian Case Study on Elephant Incidents
- Enhanced Classification of Delay Risk Sources in Road Construction Using Domain-Knowledge-Driven Large Language Models
- Coarse-Grained Sense Inventories Based on Semantic Matching between English Dictionaries
- Masato Kikuchi, Masatsugu Ono, Toshioki Soga, Tetsu Tanabe, Tadachika Ozono
- The 11th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2024)
- Proceedings of the 11th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2024). 6 pages, 2024.
- National University of Singapore (NUS), Singapore. September 28-30, 2024
- [arXiv.org (OPEN ACCESS)][Slides, Q&A][Zenodo (Dataset)]
- Enhancing False-Sentence Pairs of BERT-Pair for Low-Frequency Aspect Category Detection
- Masato Kikuchi, Shogo Anda, Tadachika Ozono
- The 37th International Conference on Industrial, Engineering & Other Applications of Applied Intelligent Systems (IEA/AIE 2024)
- Advances and Trends in Artificial Intelligence. Theory and Applications. LNCS, vol.14748, pp.135-146, 2024.
- Hradec Kralove, Czech Republic. July 10-12, 2024
- [OPEN ACCESS][Slides, Q&A]
- Delay Risk Detection in Road Construction Projects Utilizing Large Language Model
- Deepfake Detection System for Facial Evidence Verification in Criminal Justice and its Legal and Ethical Implications
- Lyricist-Singer Entropy Affects Lyric-Lyricist Classification Performance
- Mitsuki Morita, Masato Kikuchi, Tadachika Ozono
- The 10th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2023)
- Proceedings of the 10th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2023). 6 pages, 2023.
- Lombok, Indonesia. October 7-9, 2023
- [arXiv.org (OPEN ACCESS)]
- AiDashcam: A Vehicle Collision Responsibility Evaluation System based on Object Detection and OpenStreetMap
- Helton Agbewonou Yawovi, Masato Kikuchi, Tadachika Ozono
- The 30th International Conference on Systems Engineering (ICSEng 2023)
- Advances in Systems Engineering. LNNS, vol.761, pp.12-21, 2023.
- Las Vegas, NV, USA. August 22-24, 2023
- [OPEN ACCESS]
- Direct West African Dishes Recognition and Calorie Classification with Small Dataset
- Ezoa Avotchi Michel Djangoran, Masato Kikuchi, Tadachika Ozono
- The 30th International Conference on Systems Engineering (ICSEng 2023)
- Advances in Systems Engineering. LNNS, vol.761, pp.318-327, 2023.
- Las Vegas, NV, USA. August 22-24, 2023
- [OPEN ACCESS]
- Development and Experiment of Classroom Engagement Evaluation Mechanism During Real-Time Online Courses
- Yanyi Peng, Masato Kikuchi, Tadachika Ozono
- The 24th International Conference on Artificial Intelligence in Education (AIED 2023)
- Artificial Intelligence in Education. LNCS, vol.13916, pp.590-601, 2023.
- Tokyo, Japan. July 3-7, 2023
- CORE Rank A, Acceptance Rate: 21.11%, Long Paper
- [OPEN ACCESS][Slides, Q&A]
- Consideration of Language Learning Service with Visualized Vocabulary Map Derived from WordNet
- Improving Multi-class Classifier Using Likelihood Ratio Estimation with Regularization
- Conservative Likelihood Ratio Estimator for Infrequent Data Slightly above a Frequency Threshold
- Developing a Meta-AR Space Construction System and Mapping Coverage Visualization
- Koki Yasue, Masato Kikuchi, Tadachika Ozono
- The 29th International Conference on Systems Engineering (ICSEng 2022)
- Applied Systemic Studies. LNNS, vol.611, pp.222-231, 2023.
- Tokyo, Japan. August 23-25, 2022
- [OPEN ACCESS]
- Developing a Component Comment Extractor from Product Reviews on E-Commerce Sites
- Matching Social Issues to Technologies for Civic Tech by Association Rule Mining using Weighted Casual Confidence
- Product Information Browsing Support System Using Analytic Hierarchy Process
- Online Classroom Evaluation System Based on Multi-Reaction Estimation
- Analysis of Interests of Civic Tech Communities in Japan towards Developing Civic Tech Community Recommendation System
- Ryota Kozakai, Shun Shiramatsu, Masato Kikuchi, Tadachika Ozono, Akira Kamiya, Tetsuji Ishii
- The 16th International Conference on Knowledge, Information and Creativity Support Systems (KICSS 2021)
- 5 pages, 2021.
- Bangkok, Thailand. November 24-26, 2021
- Feature Selective Likelihood Ratio Estimator for Low- and Zero-frequency N-grams
- Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura, Tadachika Ozono
- The 8th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2021)
- Proceedings of the 8th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2021). 6 pages, 2021.
- Online Virtual Conference (Indonesia). September 29-30, 2021
- [arXiv.org (OPEN ACCESS)]
- Developing a Lecture Video Recording System Using Augmented Reality
- Development of an Extractive Title Generation System Using Titles of Papers of Top Conferences for Intermediate English Students
- Improving Association Rule Mining for Infrequent Items Using Direct Importance Estimation
- Toshiki Aoba, Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura
- The 7th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2020)
- Proceedings of the 7th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2020). 5 pages, 2020.
- Online Virtual Conference (Japan). September 8-9, 2020
- Improving Estimation of Conditional Probability for Determining Importance of a Bigram
- Journal Name Extraction from Japanese Scientific News Articles
- Direct Estimation of Likelihood Ratio for the Analysis of Context
- Kento Kawakami, Masato Kikuchi, Mitsuo Yoshida, Kyoji Umemura
- The 5th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2018)
- Proceedings of the 5th International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2018). 6 pages, 2018.
- Krabi, Thailand. August 14-17, 2018
- Finding Association Rules by Direct Estimation of Likelihood Ratios
- Kento Kawakami, Masato Kikuchi, Mitsuo Yoshida, Eiko Yamamoto, Kyoji Umemura
- The 2017 International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2017)
- Proceedings of the 2017 International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2017). 5 pages, 2017.
- Denpasar, Indonesia. August 16-18, 2017
- [arXiv.org (OPEN ACCESS)]
- Using Conservative Estimation for Conditional Probability instead of Ignoring Infrequent Case
- Masato Kikuchi, Eiko Yamamoto, Mitsuo Yoshida, Masayuki Okabe, Kyoji Umemura
- The 2016 International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2016)
- Proceedings of the 2016 International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2016). 5 pages, 2016.
- Penang, Malaysia. August 16-19, 2016
- [arXiv.org (OPEN ACCESS)]
- Confidence Interval of Probability Estimator of Laplace Smoothing
- Masato Kikuchi, Mitsuo Yoshida, Masayuki Okabe, Kyoji Umemura
- The 2015 International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2015)
- Proceedings of the 2015 International Conference on Advanced Informatics: Concepts, Theory and Applications (ICAICTA 2015). 6 pages, 2015.
- Chonburi, Thailand. August 19-22, 2015
- [arXiv.org (OPEN ACCESS)][Confidence Intervals]
Regional Papers (Non-refereed)
Thesis
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