Shohei Yokoyama

According to our database, Shohei Yokoyama authored at least 39 papers between 2001 and 2023.

Collaborative distances:

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

2023

Ownership protection system for partial areas on image data using ethereum blockchain.

Natsuki Fujiwara, Shohei Yokoyama

Comput. Sci. Inf. Syst., 2023

Emotion Mapping: Sentiment Analysis using Emoji in Twitter Data from Japan in the COVID-19 Era.

Ahmed Almohanadi, Shohei Yokoyama

Proceedings of the International Conference on Advances in Social Networks Analysis and Mining, 2023

2022

Foreword.

Shohei Yokoyama

IEICE Trans. Inf. Syst., 2022

Ownership Protection of Specified Image Data Using Blockchain Technology.

Natsuki Fujiwara, Shohei Yokoyama

Proceedings of the 14th International Conference on Management of Digital EcoSystems, 2022

Preference aware route recommendation using one billion geotagged tweets.

Osei Yamashita, Shohei Yokoyama

Proceedings of the 6th ACM SIGSPATIAL International Workshop on Location-based Recommendations, 2022

2021

Position Estimation for Objects in the High Latitude Region of 360° Panoramic Images.

Junya Masuda, Kazuma Hayashida, Shohei Yokoyama

Proceedings of the MEDES '21: Proceedings of the 13th International Conference on Management of Digital EcoSystems, Virtual Event, Tunisia, November 1, 2021

Real-Time Human Detection Using Spherical Camera for Web Browser-Based Telecommunications.

Kazuma Hayashida, Junya Masuda, Shohei Yokoyama

Proceedings of the MEDES '21: Proceedings of the 13th International Conference on Management of Digital EcoSystems, Virtual Event, Tunisia, November 1, 2021

Real-time Queue Detection Using an Omnidirectional Camera.

Yuki Kasahara, Shohei Yokoyama

Proceedings of the iiWAS2021: The 23rd International Conference on Information Integration and Web Intelligence, Linz, Austria, 29 November 2021, 2021

Weather Information Acquisition System using Small Wireless Microcomputers and Environmental Sensors for Agricultural Sector.

Uyou Cyou, Shohei Yokoyama, Shingo Otsuka

Proceedings of the International Conference on Computational Science and Computational Intelligence, 2021

2019

Towards Efficient Crawling of Georeferenced Documents from Location-based Social Networks.

Shohei Yokoyama, Sou Ijima

Proceedings of the 11th International Conference on Management of Digital EcoSystems, 2019

A Crawling Method with No Parameters for Geo-social Data based on Road Maps.

Sou Ijima, Masaharu Hirota, Shohei Yokoyama

Proceedings of the 21st International Conference on Information Integration and Web-based Applications & Services, 2019

2018

A pipelining-based framework for processing events in multimedia sensor networks.

Chinnapong Angsuchotmetee, Richard Chbeir, Yudith Cardinale, Shohei Yokoyama

Proceedings of the 33rd Annual ACM Symposium on Applied Computing, 2018

2017

Constructive Interaction on Collaborative Programming: Case Study for Grade 6 Students Group.

Sayaka Tohyama, Yoshiaki Matsuzawa, Shohei Yokoyama, Teppei Koguchi, Yugo Takeuchi

Proceedings of the Tomorrow's Learning: Involving Everyone. Learning with and about Technologies and Computing, 2017

A dynamic event detection framework for multimedia sensor networks.

Chinnapong Angsuchotmetee, Richard Chbeir, Yudith Cardinale, Shohei Yokoyama

Proceedings of the 23rd Asia-Pacific Conference on Communications, 2017

2016

How to Find Accessible Free Wi-Fi at Tourist Spots in Japan.

Keisuke Mitomi, Masaki Endo, Masaharu Hirota, Shohei Yokoyama, Yoshiyuki Shoji, Hiroshi Ishikawa

Proceedings of the Social Informatics - 8th International Conference, 2016

Inferring Tourist Behavior and Purposes of a Twitter User.

Yuya Nozawa, Masaki Endo, Yo Ehara, Masaharu Hirota, Shohei Yokoyama, Hiroshi Ishikawa

Proceedings of the Trends in Artificial Intelligence: PRICAI 2016 Workshops, 2016

Detect Scenic Leaves and Blossoms Viewing Places from Flickr Based on Social and Image Features.

Ágnes Bogárdi-Mészöly, András Rövid, Shohei Yokoyama

Proceedings of the 5th IIAI International Congress on Advanced Applied Informatics, 2016

Visualizing High-Risk Paths using Geo-tagged Social Data for Disaster Mitigation.

Masaki Kanno, Yo Ehara, Masaharu Hirota, Shohei Yokoyama, Hiroshi Ishikawa

Proceedings of the 9th ACM SIGSPATIAL Workshop on Location-based Social Networks, 2016

2015

EBSCAN: An Entanglement-based Algorithm for Discovering Dense Regions in Large Geo-social Data Streams with Noise.

Shohei Yokoyama, Ágnes Bogárdi-Mészöly, Hiroshi Ishikawa

Proceedings of the 8th ACM SIGSPATIAL International Workshop on Location-Based Social Networks, 2015

Visualizing Shooting Spots using Geo-tagged Photographs from Social Media Sites.

Masaharu Hirota, Masaki Endo, Shohei Yokoyama, Hiroshi Ishikawa

Proceedings of the 15èmes Journées Francophones Extraction et Gestion des Connaissances, 2015

2014

Detecting Relations of Hotspots using Geo-tagged Photographs in Social Media Sites.

Masaharu Hirota, Motohiro Shirai, Hiroshi Ishikawa, Shohei Yokoyama

Proceedings of Workshop on Managing and Mining Enriched Geo-Spatial Data, 2014

Towards Better Land Cover Classification Using Geo-tagged Photographs.

Hirotaka Oba, Masaharu Hirota, Richard Chbeir, Hiroshi Ishikawa, Shohei Yokoyama

Proceedings of the 2014 IEEE International Symposium on Multimedia, 2014

Can geo-tags on flickr draw coastlines?

Masaki Omori, Masaharu Hirota, Hiroshi Ishikawa, Shohei Yokoyama

Proceedings of the 22nd ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2014

2013

A method of Area of Interest and Shooting Spot Detection using Geo-tagged Photographs.

Motohiro Shirai, Masaharu Hirota, Hiroshi Ishikawa, Shohei Yokoyama

Proceedings of the ACM SIGSPATIAL International Workshop on Computational Models of Place, 2013

SOM-Based Visualization for Classifying Large-Scale Sensing Data of Moonquakes.

Yasumichi Goto, Ryuhei Yamada, Yukio Yamamoto, Shohei Yokoyama, Hiroshi Ishikawa

Proceedings of the Eighth International Conference on P2P, 2013

2012

A Robust Clustering Method for Missing Metadata in Image Search Results.

Masaharu Hirota, Naoki Fukuta, Shohei Yokoyama, Hiroshi Ishikawa

J. Inf. Process., 2012

Discovering multiple HotSpots using geo-tagged photographs.

Motohiro Shirai, Masaharu Hirota, Shohei Yokoyama, Naoki Fukuta, Hiroshi Ishikawa

Proceedings of the SIGSPATIAL 2012 International Conference on Advances in Geographic Information Systems (formerly known as GIS), 2012

2011

Parallel Distributed Rendering of HTML5 Canvas Elements.

Shohei Yokoyama, Hiroshi Ishikawa

Proceedings of the Web Engineering - 11th International Conference, 2011

2010

Constraint-Based Clustering of Image Search Results Using Photo Metadata and Low-Level Image Features.

Masaharu Hirota, Shohei Yokoyama, Naoki Fukuta, Hiroshi Ishikawa

Proceedings of the Computer and Information Science 2010 [outstanding papers from the 9th ACIS/IEEE International Conference on Computer and Information Science, 2010

Proposal of Spatiotemporal Data Extraction and Visualization System Based on Wikipedia for Application to Earth Science.

Akihiro Okamoto, Shohei Yokoyama, Naoki Fukuta, Hiroshi Ishikawa

Proceedings of the 9th IEEE/ACIS International Conference on Computer and Information Science, 2010

2008

Design Principles and IT Overviews of the GEO Grid.

Satoshi Sekiguchi, Yoshio Tanaka, Isao Kojima, Naotaka Yamamoto, Shohei Yokoyama, Yusuke Tanimura, Ryosuke Nakamura, Koki Iwao, Satoshi Tsuchida

IEEE Syst. J., 2008

2005

On Mining XML Structures Based on Statistics.

Hiroshi Ishikawa, Shohei Yokoyama, Manabu Ohta, Kaoru Katayama

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2005

An Access Control Method Based on the Prefix Labeling Scheme for XML Repositories.

Shohei Yokoyama, Manabu Ohta, Kaoru Katayama, Hiroshi Ishikawa

Proceedings of the Database Technologies 2005, 2005

2003

Active Knowledge Mining for Intelligent Web Page Management.

Hiroshi Ishikawa, Manabu Ohta, Shohei Yokoyama, Takuya Watanabe, Kaoru Katayama

Proceedings of the Knowledge-Based Intelligent Information and Engineering Systems, 2003

2002

Web usage mining approaches to page recommendation and restructuring.

Hiroshi Ishikawa, Manabu Ohta, Shohei Yokoyama, Junya Nakayama, Kaoru Katayama

Intell. Syst. Account. Finance Manag., 2002

On the Effectiveness of Web Usage Mining for Page Recommendation and Restructuring.

Hiroshi Ishikawa, Manabu Ohta, Shohei Yokoyama, Junya Nakayama, Kaoru Katayama

Proceedings of the Web, 2002

An Intelligent Web Recommendation System: A Web Usage Mining Approach.

Hiroshi Ishikawa, Toshiyuki Nakajima, Tokuyo Mizuhara, Shohei Yokoyama, Junya Nakayama, Manabu Ohta, Kaoru Katayama

Proceedings of the Foundations of Intelligent Systems, 13th International Symposium, 2002

2001

On Business Modeling, Distributed Processing, and Data Compression for E-Commerce.

Hiroshi Ishikawa, Shohei Yokoyama, Seiji Isshiki, Manabu Ohta

Proceedings of the Fifth IASTED International Conference Internet and Multimedia Systems and Applications (IMSA 2001), 2001

Xanadu: XML- and Active-Database-Unified Approach to Distributed E-Commerce.

Hiroshi Ishikawa, Shohei Yokoyama, Seiji Isshiki, Manabu Ohta

Proceedings of the 12th International Workshop on Database and Expert Systems Applications (DEXA 2001), 2001