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Hirotaka Nagashima, Keishi Tajima

Automatic Construction of Expiration Time Expression Dataset from Retweets

Companion Proc. of 33th The Web Conference,
ACM Press, May 2024

Mamoru Yamakawa, Keishi Tajima

A Centrality for Social Media Users Focusing on Information-Gathering Ability

Proc. of 34th ACM Conference on Hypertext,
pp.32:1-32:9, ACM Press, September 2023 (ACM DL)

Shuhei Kobayashi, Keishi Tajima

Real-World Popularity Estimation from Community Structure of Followers on SNS

Proc. of IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology,
pp.238-334, IEEE Computer Society Press, November 2022 (IEEE Xplore, IEEE CS DL)

Taka Menishi, Keishi Tajima

Identifying Tags Describing Image Contents

Proc. of 30th ACM Conference on Hypertext,
pp.297-298, ACM Press, September 2019 (ACM DL)

Daisuke Kataoka, Keishi Tajima,

SNS Retrieval Based on User Profile Estimation Using Transfer Learning from Web Search

Proc. of IEEE/WIC/ACM International Conferences on Web Intelligence,
pp.278-285, IEEE Computer Society Press, December 2018 (IEEE Xplore, IEEE CS DL)

Daichi Imamori, Keishi Tajima,

Predicting Popularity of Twitter Accounts through the Discovery of Link-Propagating Early Adopters

Proc. of 25th ACM International Conference on Information and Knowledge Management,
pp.639-648, ACM Press, October 2016 (ACM DL)

Hikaru Takemura, Keishi Tajima,

Classification of Twitter Accounts into Targeting Accounts and Non-Targeting Accounts

Proc. of 27th ACM Conference on Hypertext and Social Media,
pp. 291-296, ACM Press, July 2016 (ACM DL)

Ming Li, Keishi Tajima,

Automatic Generation of Authentication Questions from Private Messages

Proc. of IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technologies,
pp.505-510, IEEE Computer Society Press, December 2015 (IEEE Xplore, IEEE CS DL)

Hikaru Takemura, Atsushi Tanaka, Keishi Tajima,

Classification of Twitter Follow Links Based on the Followers’ Intention

Proc. of 30th ACM Symposium on Applied Computing,
pp. 1174-1180, ACM Press, April 2015 (ACM DL)

Atsushi Tanaka, Hikaru Takemura, Keishi Tajima,

Why You Follow: A Classification Scheme for Twitter Follow Links

Proc. of 25th ACM Conference on Hypertext and Hypermedia,
pp. 324-326, ACM Press, September 2014 (ACM DL)

Xiaoqi Zhao, Keishi Tajima,

Online Retweet Recommendation with Item Count Limits

Proc. of IEEE/WIC/ACM International Joint Conferences on Web Intelligence and Intelligent Agent Technologies,
pp.282-289, IEEE Computer Society Press, August 2014 (IEEE Xplore, ACM DL)

Hikaru Takemura, Keishi Tajima,

Tweet Classification Based on Their Lifetime Duration

Proc. of 21st ACM International Conference on Information and Knowledge Management,
pp. 2367-2370, ACM Press, October 2012 (ACM DL)