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IEICE Trans

Osamu UCHIDA

Analysis of Rescue Request and Damage Report Tweets Posted during 2019 Typhoon Hagibis
Keisuke UTSU Osamu UCHIDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2020/11/01
Vol. E103-A  No. 11  pp. 1319-1323
Type of Manuscript:  LETTER
Category: Human Communications
Keyword: 
disaster, social media, Twitter, 
 Summary | Full Text:PDF
Identifying Important Tweets by Considering the Potentiality of Neurons
Ryozo KITAJIMA Ryotaro KAMIMURA Osamu UCHIDA Fujio TORIUMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/08/01
Vol. E99-A  No. 8  pp. 1555-1559
Type of Manuscript:  Special Section LETTER (Special Section on Information and Communication Systems for Safe and Secure Life)
Category: 
Keyword: 
tweets, neural network, generalization, selective information, potentiality, 
 Summary | Full Text:PDF
A Real-Time Information Sharing System to Support Self-, Mutual-, and Public-Help in the Aftermath of a Disaster Utilizing Twitter
Osamu UCHIDA Masafumi KOSUGI Gaku ENDO Takamitsu FUNAYAMA Keisuke UTSU Sachi TAJIMA Makoto TOMITA Yoshitaka KAJITA Yoshiro YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/08/01
Vol. E99-A  No. 8  pp. 1551-1554
Type of Manuscript:  Special Section LETTER (Special Section on Information and Communication Systems for Safe and Secure Life)
Category: 
Keyword: 
Twitter, disaster information, disaster mitigation, tweet mapping, 
 Summary | Full Text:PDF
The Optimal Overflow and Underflow Probabilities of Variable-Length Coding for the General Source
Osamu UCHIDA Te Sun HAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/10/01
Vol. E84-A  No. 10  pp. 2457-2465
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Shannon Theory
Keyword: 
overflow probability, underflow probability, general source, variable-length source coding, reliability function, 
 Summary | Full Text:PDF