Masashi Toyoda

According to our database, Masashi Toyoda authored at least 138 papers between 1997 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

3P-ECLAT: mining partial periodic patterns in columnar temporal databases.

Pamalla Veena, Rage Uday Kiran, Penugonda Ravikumar, Likhitha Palla, Yutaka Watanobe, Sadanori Ito, Koji Zettsu, Masashi Toyoda, Bathala Venus Vikranth Raj

Appl. Intell., January, 2024

PAMI: An Open-Source Python Library for Pattern Mining.

Rage Uday Kiran, Pamalla Veena, Masashi Toyoda, Masaru Kitsuregawa

J. Mach. Learn. Res., 2024

Rethinking Response Evaluation from Interlocutor's Eye for Open-Domain Dialogue Systems.

Tsuta Yuma, Naoki Yoshinaga, Shoetsu Sato, Masashi Toyoda

CoRR, 2024

Visual Explanation for Advertising Creative Workflow.

Shoko Sawada, Tomoyuki Suzuki, Kota Yamaguchi, Masashi Toyoda

Proceedings of the Extended Abstracts of the CHI Conference on Human Factors in Computing Systems, 2024

2023

A fundamental approach to discover closed periodic-frequent patterns in very large temporal databases.

Pamalla Veena, Rage Uday Kiran, Penugonda Ravikumar, Likhitha Palla, Yuto Hayamizu, Kazuo Goda, Masashi Toyoda, Koji Zettsu, Sourabh Shrivastava

Appl. Intell., November, 2023

PerPLM: Personalized Fine-tuning of Pretrained Language Models via Writer-specific Intermediate Learning and Prompts.

Daisuke Oba, Naoki Yoshinaga, Masashi Toyoda

CoRR, 2023

A Dynamic Partial Update for Covariance Matrix Adaptation.

Hiroki Shimizu, Masashi Toyoda

Proceedings of the Companion Proceedings of the Conference on Genetic and Evolutionary Computation, 2023

Early Discovery of Disappearing Entities in Microblogs.

Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), 2023

2022

Evolution of the public opinion on COVID-19 vaccination in Japan.

Yuri Nakayama, Yuka Takedomi, Towa Suda, Takeaki Uno, Takako Hashimoto, Masashi Toyoda, Naoki Yoshinaga, Masaru Kitsuregawa, Luis E. C. Rocha, Ryota Kobayashi

CoRR, 2022

UPFP-growth++: An Efficient Algorithm to Find Periodic-Frequent Patterns in Uncertain Temporal Databases.

Palla Likhitha, Rage Veena, Rage Uday Kiran, Koji Zettsu, Masashi Toyoda, Philippe Fournier-Viger

Proceedings of the Neural Information Processing - 29th International Conference, 2022

Entity Embedding Completion for Wide-Coverage Entity Disambiguation.

Daisuke Oba, Ikuya Yamada, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2022, 2022

Diachronic Analysis of Users' Stances on COVID-19 Vaccination in Japan using Twitter.

Shohei Hisamitsu, Sho Cho, Hongshan Jin, Masashi Toyoda, Naoki Yoshinaga

Proceedings of the IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, 2022

Towards Efficient Discovery of Partial Periodic Patterns in Columnar Temporal Databases.

Penugonda Ravikumar, Bathala Venus Vikranth Raj, Palla Likhitha, Rage Uday Kiran, Yutaka Watanobe, Sadanori Ito, Koji Zettsu, Masashi Toyoda

Proceedings of the Intelligent Information and Database Systems - 14th Asian Conference, 2022

2021

CMA-ES with coordinate selection for high-dimensional and ill-conditioned functions.

Hiroki Shimizu, Masashi Toyoda

Proceedings of the GECCO '21: Genetic and Evolutionary Computation Conference, 2021

Speculative Sampling in Variational Autoencoders for Dialogue Response Generation.

Shoetsu Sato, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2021, 2021

Fine-grained Typing of Emerging Entities in Microblogs.

Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2021, 2021

Efficient Discovery of Partial Periodic-Frequent Patterns in Temporal Databases.

So Nakamura, R. Uday Kiran, Palla Likhitha, Penugonda Ravikumar, Yutaka Watanobe, Minh-Son Dao, Koji Zettsu, Masashi Toyoda

Proceedings of the Database and Expert Systems Applications, 2021

Exploratory Model Analysis Using Data-Driven Neuron Representations.

Daisuke Oba, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the Fourth BlackboxNLP Workshop on Analyzing and Interpreting Neural Networks for NLP, 2021

Discovering Relative High Utility Itemsets in Very Large Transactional Databases Using Null-Invariant Measure.

R. Uday Kiran, Pradeep Pallikila, José María Luna, Philippe Fournier-Viger, Masashi Toyoda, P. Krishna Reddy

Proceedings of the 2021 IEEE International Conference on Big Data (Big Data), 2021

Two-stage Clustering Method for Discovering People's Perceptions: A Case Study of the COVID-19 Vaccine from Twitter.

Takako Hashimoto, Takeaki Uno, Yuka Takedomi, David Lawrence Shepard, Masashi Toyoda, Naoki Yoshinaga, Masaru Kitsuregawa, Ryota Kobayashi

Proceedings of the 2021 IEEE International Conference on Big Data (Big Data), 2021

2020

Guest editorial: special issue on Web and big data 2019.

Jie Shao, Man Lung Yiu, Masashi Toyoda

World Wide Web, 2020

Vocabulary Adaptation for Distant Domain Adaptation in Neural Machine Translation.

Shoetsu Sato, Jin Sakuma, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

CoRR, 2020

Efficient Discovery of Weighted Frequent Neighborhood Itemsets in Very Large Spatiotemporal Databases.

R. Uday Kiran, P. P. C. Reddy, Koji Zettsu, Masashi Toyoda, Masaru Kitsuregawa, P. Krishna Reddy

IEEE Access, 2020

Parallel Mining of Partial Periodic Itemsets in Big Data.

C. Saideep, R. Uday Kiran, Koji Zettsu, Cheng-Wei Wu, P. Krishna Reddy, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Trends in Artificial Intelligence Theory and Applications. Artificial Intelligence Practices, 2020

Discovering Frequent Spatial Patterns in Very Large Spatiotemporal Databases.

R. Uday Kiran, Sourabh Shrivastava, Philippe Fournier-Viger, Koji Zettsu, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the SIGSPATIAL '20: 28th International Conference on Advances in Geographic Information Systems, 2020

Discovering Fuzzy Periodic-Frequent Patterns in Quantitative Temporal Databases.

R. Uday Kiran, C. Saideep, Penugonda Ravikumar, Koji Zettsu, Masashi Toyoda, Masaru Kitsuregawa, P. Krishna Reddy

Proceedings of the 29th IEEE International Conference on Fuzzy Systems, 2020

Vocabulary Adaptation for Domain Adaptation in Neural Machine Translation.

Shoetsu Sato, Jin Sakuma, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Findings of the Association for Computational Linguistics: EMNLP 2020, 2020

A System for Worldwide COVID-19 Information Aggregation.

Akiko Aizawa, Frédéric Bergéron, Junjie Chen, Fei Cheng, Katsuhiko Hayashi, Kentaro Inui, Hiroyoshi Ito, Daisuke Kawahara, Masaru Kitsuregawa, Hirokazu Kiyomaru, Masaki Kobayashi, Takashi Kodama, Sadao Kurohashi, Qianying Liu, Masaki Matsubara, Yusuke Miyao, Atsuyuki Morishima, Yugo Murawaki, Kazumasa Omura, Haiyue Song, Eiichiro Sumita, Shinji Suzuki, Ribeka Tanaka, Yu Tanaka, Masashi Toyoda, Nobuhiro Ueda, Honai Ueoka, Masao Utiyama, Ying Zhong

Proceedings of the 1st Workshop on NLP for COVID-19@ EMNLP 2020, Online, December 2020, 2020

Discovering Maximal Periodic-Frequent Patterns in Very Large Temporal Databases.

R. Uday Kiran, Yutaka Watanobe, Bhaskar Chaudhury, Koji Zettsu, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 7th IEEE International Conference on Data Science and Advanced Analytics, 2020

Crowd Forecasting at Venues with Microblog Posts Referring to Future Events.

Ryotaro Tsukada, Haosen Zhan, Shonosuke Ishiwatari, Masashi Toyoda, Kazutoshi Umemoto, Haichuan Shang, Koji Zettsu

Proceedings of the 2020 IEEE International Conference on Big Data (IEEE BigData 2020), 2020

Discovering Closed Periodic-Frequent Patterns in Very Large Temporal Databases.

Palla Likhitha, Penugonda Ravikumar, R. Uday Kiran, Yuto Hayamizu, Kazuo Goda, Masashi Toyoda, Koji Zettsu, Sourabh Shrivastava

Proceedings of the 2020 IEEE International Conference on Big Data (IEEE BigData 2020), 2020

uBLEU: Uncertainty-Aware Automatic Evaluation Method for Open-Domain Dialogue Systems.

Tsuta Yuma, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics: Student Research Workshop, 2020

2019

Model-Agnostic Visual Explanation of Machine Learning Models Based on Heat Map.

Shoko Sawada, Masashi Toyoda

Proceedings of the 21st Eurographics Conference on Visualization, 2019

Discovering Spatial High Utility Itemsets in Spatiotemporal Databases.

R. Uday Kiran, Koji Zettsu, Masashi Toyoda, Philippe Fournier-Viger, P. Krishna Reddy, Masaru Kitsuregawa

Proceedings of the 31st International Conference on Scientific and Statistical Database Management, 2019

Efficiently Finding High Utility-Frequent Itemsets Using Cutoff and Suffix Utility.

R. Uday Kiran, T. Yashwanth Reddy, Philippe Fournier-Viger, Masashi Toyoda, P. Krishna Reddy, Masaru Kitsuregawa

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2019

Modeling Personal Biases in Language Use by Inducing Personalized Word Embeddings.

Daisuke Oba, Naoki Yoshinaga, Shoetsu Sato, Satoshi Akasaki, Masashi Toyoda

Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2019

Learning to Describe Unknown Phrases with Local and Global Contexts.

Shonosuke Ishiwatari, Hiroaki Hayashi, Naoki Yoshinaga, Graham Neubig, Shoetsu Sato, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 2019 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 2019

Early Discovery of Emerging Entities in Microblogs.

Satoshi Akasaki, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the Twenty-Eighth International Joint Conference on Artificial Intelligence, 2019

Discovering Spatial Weighted Frequent Itemsets in Spatiotemporal Databases.

Rage Uday Kiran, P. P. C. Reddy, Koji Zettsu, Masashi Toyoda, Masaru Kitsuregawa, P. Krishna Reddy

Proceedings of the 2019 International Conference on Data Mining Workshops, 2019

Discovering Partial Periodic High Utility Itemsets in Temporal Databases.

T. Yashwanth Reddy, R. Uday Kiran, Masashi Toyoda, P. Krishna Reddy, Masaru Kitsuregawa

Proceedings of the Database and Expert Systems Applications, 2019

Understanding Interpersonal Variations in Word Meanings via Review Target Identification.

Daisuke Oba, Shoetsu Sato, Naoki Yoshinaga, Satoshi Akasaki, Masashi Toyoda

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2019

Discovering Partial Periodic Spatial Patterns in Spatiotemporal Databases.

R. Uday Kiran, C. Saideep, Koji Zettsu, Masashi Toyoda, Masaru Kitsuregawa, P. Krishna Reddy

Proceedings of the 2019 IEEE International Conference on Big Data (IEEE BigData), 2019

Discovering Spatial High Utility Frequent Itemsets in Spatiotemporal Databases.

P. P. C. Reddy, R. Uday Kiran, Koji Zettsu, Masashi Toyoda, P. Krishna Reddy, Masaru Kitsuregawa

Proceedings of the Big Data Analytics - 7th International Conference, 2019

2018

Connecting Communities.

Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Encyclopedia of Social Network Analysis and Mining, 2nd Edition, 2018

Existence of outsiders as a characteristic of online communication networks.

Taro Takaguchi, Takanori Maehara, Ken-ichi Kawarabayashi, Masashi Toyoda

Netw. Sci., 2018

Foreword.

Masashi Toyoda

IEICE Trans. Inf. Syst., 2018

Learning to Describe Phrases with Local and Global Contexts.

Shonosuke Ishiwatari, Hiroaki Hayashi, Naoki Yoshinaga, Graham Neubig, Masashi Toyoda, Masaru Kitsuregawa

CoRR, 2018

Novel Data Segmentation Techniques for Efficient Discovery of Correlated Patterns Using Parallel Algorithms.

Amulya Kotni, R. Uday Kiran, Masashi Toyoda, P. Krishna Reddy, Masaru Kitsuregawa

Proceedings of the Big Data Analytics and Knowledge Discovery, 2018

Efficient Discovery of Weighted Frequent Itemsets in Very Large Transactional Databases: A Re-visit.

R. Uday Kiran, Amulya Kotni, P. Krishna Reddy, Masashi Toyoda, Subhash Bhalla, Masaru Kitsuregawa

Proceedings of the IEEE International Conference on Big Data (IEEE BigData 2018), 2018

2017

Discovering partial periodic-frequent patterns in a transactional database.

R. Uday Kiran, J. N. Venkatesh, Masashi Toyoda, Masaru Kitsuregawa, P. Krishna Reddy

J. Syst. Softw., 2017

Discovering Partial Periodic Itemsets in Temporal Databases.

R. Uday Kiran, Haichuan Shang, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 29th International Conference on Scientific and Statistical Database Management, 2017

Can Cross-Lingual Information Cascades Be Predicted on Twitter?

Hongshan Jin, Masashi Toyoda, Naoki Yoshinaga

Proceedings of the Social Informatics, 2017

Understanding Drivers' Safety by Fusing Large Scale Vehicle Recorder Dataset and Heterogeneous Circumstantial Data.

Daisaku Yokoyama, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2017

Discovering Periodic Patterns in Non-uniform Temporal Databases.

R. Uday Kiran, J. N. Venkatesh, Philippe Fournier-Viger, Masashi Toyoda, P. Krishna Reddy, Masaru Kitsuregawa

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2017

Optimal viewpoint finding for space time cube to explore spatio-temporal characteristics of vehicle trajectories on crossroads.

Masahiko Itoh, Daisaku Yokoyama, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 7th IEEE Symposium on Large Data Analysis and Visualization, 2017

An Efficient Map-Reduce Framework to Mine Periodic Frequent Patterns.

Alampally Anirudh, R. Uday Kiran, P. Krishna Reddy, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Big Data Analytics and Knowledge Discovery, 2017

Towards constructing a driver management system based on large-scale driving operation records.

Daisaku Yokoyama, Masashi Toyoda

Proceedings of the 2017 IEEE International Conference on Big Data (IEEE BigData 2017), 2017

Road safety estimation utilizing big and heterogeneous vehicle recorder data.

Masashi Toyoda, Daisaku Yokoyama, Junpei Komiyama, Masahiko Itoh

Proceedings of the 2017 IEEE International Conference on Big Data (IEEE BigData 2017), 2017

Optimal viewpoint finding for 3D visualization of spatio-temporal vehicle trajectories on caution crossroads detected from vehicle recorder big data.

Masahiko Itoh, Daisaku Yokoyama, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 2017 IEEE International Conference on Big Data (IEEE BigData 2017), 2017

A Bag of Useful Tricks for Practical Neural Machine Translation: Embedding Layer Initialization and Large Batch Size.

Masato Neishi, Jin Sakuma, Satoshi Tohda, Shonosuke Ishiwatari, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the 4th Workshop on Asian Translation, 2017

Modeling Situations in Neural Chat Bots.

Shoetsu Sato, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics, 2017

2016

Visual Exploration of Changes in Passenger Flows and Tweets on Mega-City Metro Network.

Masahiko Itoh, Daisaku Yokoyama, Masashi Toyoda, Yoshimitsu Tomita, Satoshi Kawamura, Masaru Kitsuregawa

IEEE Trans. Big Data, 2016

Reply trees in Twitter: data analysis and branching process models.

Ryosuke Nishi, Taro Takaguchi, Keigo Oka, Takanori Maehara, Masashi Toyoda, Ken-ichi Kawarabayashi, Naoki Masuda

Soc. Netw. Anal. Min., 2016

UT Dialogue System at NTCIR-12 STC.

Shoetsu Sato, Shonosuke Ishiwatari, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 12th NTCIR Conference on Evaluation of Information Access Technologies, 2016

IRI Estimation by the Frequency Domain Analysis of Vehicle Dynamic Responses and Its Large-scale Application.

Boyu Zhao, Tomonori Nagayama, Noritoshi Makihata, Masashi Toyoda, Muneaki Takahashi, Masataka Ieiri

Proceedings of the Adjunct Proceedings of the 13th International Conference on Mobile and Ubiquitous Systems: Computing Networking and Services, 2016

Word-Clouds in the Sky: Multi-layer Spatio-Temporal Event Visualization from a Geo-Parsed Microblog Stream.

Masahiko Itoh, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the 20th International Conference Information Visualisation, 2016

Spatio-temporal Event Visualization from a Geo-parsed Microblog Stream.

Masahiko Itoh, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the Companion Publication of the 21st International Conference on Intelligent User Interfaces, 2016

Ordering Concepts Based on Common Attribute Intensity.

Tatsuya Iwanari, Naoki Yoshinaga, Nobuhiro Kaji, Toshiharu Nishina, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Twenty-Fifth International Joint Conference on Artificial Intelligence, 2016

Kotonush: Understanding Concepts Based on Values behind Social Media.

Tatsuya Iwanari, Kohei Ohara, Naoki Yoshinaga, Nobuhiro Kaji, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the COLING 2016, 2016

Instant Translation Model Adaptation by Translating Unseen Words in Continuous Vector Space.

Shonosuke Ishiwatari, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Computational Linguistics and Intelligent Text Processing, 2016

Do Drivers' Behaviors Reflect Their Past Driving Histories? - Large Scale Examination of Vehicle Recorder Data.

Daisaku Yokoyama, Masashi Toyoda

Proceedings of the 2016 IEEE International Congress on Big Data, San Francisco, CA, USA, June 27, 2016

2015

Real-Time Top-R Topic Detection on Twitter with Topic Hijack Filtering.

Kohei Hayashi, Takanori Maehara, Masashi Toyoda, Ken-ichi Kawarabayashi

Proceedings of the 21th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2015

A System for visual exploration of caution spots from vehicle recorder data.

Masahiko Itoh, Daisaku Yokoyama, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 10th IEEE Conference on Visual Analytics Science and Technology, 2015

Discovering Recurring Patterns in Time Series.

R. Uday Kiran, Haichuan Shang, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 18th International Conference on Extending Database Technology, 2015

Accurate Cross-lingual Projection between Count-based Word Vectors by Exploiting Translatable Context Pairs.

Shonosuke Ishiwatari, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 19th Conference on Computational Natural Language Learning, 2015

A large scale examination of vehicle recorder data to understand relationship between drivers' behaviors and their past driving histories.

Daisaku Yokoyama, Masashi Toyoda

Proceedings of the 2015 IEEE International Conference on Big Data (IEEE BigData 2015), Santa Clara, CA, USA, October 29, 2015

Visual interface for exploring caution spots from vehicle recorder big data.

Masahiko Itoh, Daisaku Yokoyama, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 2015 IEEE International Conference on Big Data (IEEE BigData 2015), Santa Clara, CA, USA, October 29, 2015

Mobility Big Data Analysis and Visualization (Invited Talk).

Masashi Toyoda

Proceedings of the Big Data Analytics - 4th International Conference, 2015

2014

Connecting Communities.

Masashi Toyoda, Masaru Kitsuregawa

Encyclopedia of Social Network Analysis and Mining, 2014

Exploration on efficient similar sentences extraction.

Yanhui Gu, Zhenglu Yang, Guandong Xu, Miyuki Nakano, Masashi Toyoda, Masaru Kitsuregawa

World Wide Web, 2014

Multiple media analysis and visualization for understanding social activities.

Masashi Toyoda

Proceedings of the 23rd International World Wide Web Conference, 2014

A Framework for Large-Scale Train Trip Record Analysis and Its Application to Passengers' Flow Prediction after Train Accidents.

Daisaku Yokoyama, Masahiko Itoh, Masashi Toyoda, Yoshimitsu Tomita, Satoshi Kawamura, Masaru Kitsuregawa

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2014

Visual fusion of mega-city big data: An application to traffic and tweets data analysis of Metro passengers.

Masahiko Itoh, Daisaku Yokoyama, Masashi Toyoda, Yoshimitsu Tomita, Satoshi Kawamura, Masaru Kitsuregawa

Proceedings of the 2014 IEEE International Conference on Big Data (IEEE BigData 2014), 2014

Image Flows Visualization for Inter-media Comparison.

Masahiko Itoh, Masashi Toyoda, Cai-Zhi Zhu, Shin'ichi Satoh, Masaru Kitsuregawa

Proceedings of the IEEE Pacific Visualization Symposium, 2014

2013

Note on the Hahn-Banach Theorem in a Partially Ordered Vector Space.

Toshiharu Kawasaki, Masashi Toyoda, Toshikazu Watanabe

J. Appl. Math., 2013

Towards efficient discovery of coverage patterns in transactional databases.

R. Uday Kiran, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Conference on Scientific and Statistical Database Management, 2013

Visualizing Time-Varying Topics Via Images and Texts for Inter-Media Analysis.

Masahiko Itoh, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 17th International Conference on Information Visualisation, 2013

Predicting and Eliciting Addressee's Emotion in Online Dialogue.

Takayuki Hasegawa, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the 51st Annual Meeting of the Association for Computational Linguistics, 2013

2012

The History of Web Archiving.

Masashi Toyoda, Masaru Kitsuregawa

Proc. IEEE, 2012

Analyzing patterns of information cascades based on users' influence and posting behaviors.

Geerajit Rattanaritnont, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 2nd Temporal Web Analytics Workshop, 2012

Visualizing flows of images in social media.

Masahiko Itoh, Masashi Toyoda, Tetsuya Kamijo, Masaru Kitsuregawa

Proceedings of the 7th IEEE Conference on Visual Analytics Science and Technology, 2012

Identifying Constant and Unique Relations by using Time-Series Text.

Yohei Takaku, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda

Proceedings of the 2012 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning, 2012

Characterizing Topic-Specific Hashtag Cascade in Twitter Based on Distributions of User Influence.

Geerajit Rattanaritnont, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Web Technologies and Applications - 14th Asia-Pacific Web Conference, 2012

Analysis and visualization of temporal changes in bloggers' activities and interests.

Masahiko Itoh, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 2012 IEEE Pacific Visualization Symposium, 2012

2011

A Study of Link Farm Evolution Using a Time-series of Web Snapshots.

Young-joo Chung, Masashi Toyoda, Masaru Kitsuregawa

Inf. Media Technol., 2011

Possible linkages between the inner and outer cellular states of human induced pluripotent stem cells.

Shigeru Saito, Yasuko Onuma, Yuzuru Ito, Hiroaki Tateno, Masashi Toyoda, Akutsu Hidenori, Koichiro Nishino, Emi Chikazawa, Yoshihiro Fukawatase, Yoshitaka Miyagawa, Hajime Okita, Nobutaka Kiyokawa, Yohichi Shimma, Akihiro Umezawa, Jun Hirabayashi, Katsuhisa Horimoto, Makoto Asashima

BMC Syst. Biol., 2011

Harnessing the wisdom of crowds: video event detection based on synchronous comments.

Xingtian Shi, Zhenglu Yang, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 20th International Conference on World Wide Web, 2011

Analytics for Info-plosion Including Information Diffusion Studies for the 3.11 Disaster.

Masaru Kitsuregawa, Masashi Toyoda

Proceedings of the Web-Age Information Management - 12th International Conference, 2011

Sentiment Classification in Resource-Scarce Languages by using Label Propagation.

Yong Ren, Nobuhiro Kaji, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 25th Pacific Asia Conference on Language, Information and Computation, 2011

Existence of Positive Solution for the Cauchy Problem for an Ordinary Differential Equation.

Toshiharu Kawasaki, Masashi Toyoda

Proceedings of the Nonlinear Mathematics for Uncertainty and its Applications, 2011

3D Visualization of temporal changes in bloggers' activities and interests.

Masahiko Itoh, Naoki Yoshinaga, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 6th IEEE Conference on Visual Analytics Science and Technology, 2011

2010

Strong Convergence Theorems for Maximal Monotone Operators with Nonlinear Mappings in Hilbert Spaces.

Satoru Takahashi, Wataru Takahashi, Masashi Toyoda

J. Optim. Theory Appl., 2010

Detecting Hijacked Sites by Web Spammer Using Link-Based Algorithms.

Young-joo Chung, Masashi Toyoda, Masaru Kitsuregawa

IEICE Trans. Inf. Syst., 2010

Identifying spam link generators for monitoring emerging web spam.

Young-joo Chung, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 4th ACM Workshop on Information Credibility on the Web, 2010

An Interactive Visualization Framework for Time-Series of Web Graphs in a 3D Environment.

Masahiko Itoh, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 14th International Conference on Information Visualisation, 2010

2009

Detecting Link Hijacking by Web Spammers.

Young-joo Chung, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Advances in Knowledge Discovery and Data Mining, 2009

A study of link farm distribution and evolution using a time series of web snapshots.

Young-joo Chung, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the AIRWeb 2009, 2009

A Combination of Active Learning and Semi-supervised Learning Starting with Positive and Unlabeled Examples for Word Sense Disambiguation: An Empirical Study on Japanese Web Search Query.

Makoto Imamura, Yasuhiro Takayama, Nobuhiro Kaji, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the ACL 2009, 2009

2008

Characterization of the Thai hostgraph.

Kulwadee Somboonviwat, Masashi Toyoda, Shinji Suzuki, Masaru Kitsuregawa

Proceedings of the 2nd International Conference on Ubiquitous Information Management and Communication, 2008

Socio-Sense: A System for Analysing the Societal Behavior from Long Term Web Archive.

Masaru Kitsuregawa, Takayuki Tamura, Masashi Toyoda, Nobuhiro Kaji

Proceedings of the Progress in WWW Research and Development, 2008

Mining and Visualizing the Evolution of the Web Graph Structure.

Masashi Toyoda

Proceedings of the 22nd International Conference on Advanced Information Networking and Applications, 2008

2007

A Large-Scale Study of Link Spam Detection by Graph Algorithms (S).

Hiroo Saito, Masashi Toyoda, Masaru Kitsuregawa, Kazuyuki Aihara

Proceedings of the AIRWeb 2007, 2007

2006

Mining Communities on the Web Using a Max-Flow and a Site-Oriented Framework.

Yasuhito Asano, Takao Nishizeki, Masashi Toyoda, Masaru Kitsuregawa

IEICE Trans. Inf. Syst., 2006

What's really new on the web?: identifying new pages from a series of unstable web snapshots.

Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 15th international conference on World Wide Web, 2006

IdentifyingWeb Spam by Densely Connected Sites and its Statistics in a JapaneseWeb Snapshot.

Hiroshi Ono, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 22nd International Conference on Data Engineering Workshops, 2006

2005

Mining Communities on the Web Using a Max-Flow and a Site-Oriented Framework.

Yasuhito Asano, Takao Nishizeki, Masashi Toyoda

Proceedings of the Web Information Systems Engineering, 2005

A system for visualizing and analyzing the evolution of the web with a time series of graphs.

Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the HYPERTEXT 2005, 2005

2004

Finding Neighbor Communities in the Web Using an Inter-Site Graph.

Yasuhito Asano, Hiroshi Imai, Masashi Toyoda, Masaru Kitsuregawa

IEICE Trans. Inf. Syst., 2004

WebRelievo: A System for Browsing and Analyzing the Evolution of Related Web Pages.

Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Third International Workshop on Web Dynamics, 2004

Visualization of Global Web Log and Web Communities.

Bowo Prasetyo, Shingo Otsuka, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the iiWAS'2004, 2004

Extracting User Behavior by Web Communities Technology on Global Web Logs.

Shingo Otsuka, Masashi Toyoda, Jun Hirai, Masaru Kitsuregawa

Proceedings of the Database and Expert Systems Applications, 15th International Conference, 2004

2003

Analyzing Global Behavior of Web Community Evolution.

Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Twelfth International World Wide Web Conference - Posters, 2003

Compact Encoding of the Web Graph Exploiting Various Power Laws: Statistical Reason Behind Link Database.

Yasuhito Asano, Tsuyoshi Ito, Hiroshi Imai, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Advances in Web-Age Information Management, 2003

Extracting evolution of web communities from a series of web archives.

Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the HYPERTEXT 2003, 2003

Finding Neighbor Communities in the Web Using Inter-site Graph.

Yasuhito Asano, Hiroshi Imai, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Database and Expert Systems Applications, 14th International Conference, 2003

2002

Applying the Site Information to the Information Retrieval from the Web.

Yasuhito Asano, Hiroshi Imai, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the 3rd International Conference on Web Information Systems Engineering, 2002

Web-Linkage Viewer: Finding Graph Structures in the Web.

Yasuhito Asano, Hiroshi Imai, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Advances in Web-Age Information Management, 2002

University of Tokyo/RICOH at NTCIR-3 Web Retrieval Task.

Masashi Toyoda, Masaru Kitsuregawa, Hiroko Mano, Hideo Itoh, Yasushi Ogawa

Proceedings of the Third NTCIR Workshop on Research in Information Retrieval, 2002

Static Visualization of Dynamic Data Flow Visual Program Execution.

Buntarou Shizuki, Etsuya Shibayama, Masashi Toyoda

Proceedings of the International Conference on Information Visualisation, 2002

Focusing on Sites in the Web.

Yasuhito Asano, Hiroshi Imai, Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Information Systems and Databases (ISDB 2002), 2002

Scalable and Comprehensible Visualization for Discovery of Knowledge from the Internet.

Etsuya Shibayama, Masashi Toyoda, Jun Yabe, Shin Takahashi

Proceedings of the Progress in Discovery Science, 2002

Some Experiences on Large Scale Web Mining.

Masaru Kitsuregawa, Iko Pramudiono, Yusuke Ohura, Masashi Toyoda

Proceedings of the Databases in Networked Information Systems, 2002

WEB Community Mining and WEB Log Mining: Commodity Cluster Based Execution.

Masaru Kitsuregawa, Masashi Toyoda, Iko Pramudiono

Proceedings of the Database Technologies 2002, 2002

2001

A Web Community Chart for Navigating Related Communities.

Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the Poster Proceedings of the Tenth International World Wide Web Conference, 2001

Creating a Web community chart for navigating related communities.

Masashi Toyoda, Masaru Kitsuregawa

Proceedings of the HYPERTEXT 2001, 2001

2000

HishiMochi: a zooming browser for hierarchically clustered documents.

Masashi Toyoda, Etsuya Shibayama

Proceedings of the CHI '00 Extended Abstracts on Human Factors in Computing Systems, 2000

1999

Hyper Mochi Sheet: A Predictive Focusing Interface for Navigating and Editing Nested Networks Through a Multi-Focus Distortion-Oriented View.

Masashi Toyoda, Etsuya Shibayama

Proceedings of the Proceeding of the CHI '99 Conference on Human Factors in Computing Systems: The CHI is the Limit, 1999

1997

Supporting Design Patterns in a Visual Parallel Data-flow Programming Environment.

Masashi Toyoda, Buntarou Shizuki, Shin Takahashi, Satoshi Matsuoka, Etsuya Shibayama

Proceedings of the Proceedings 1997 IEEE Symposium on Visual Languages, 1997