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Displaying 1-30 out of 30 total
Dynamic and Personalized Curriculum-Generation Method Analysing Causality and Dependency between Learning Objects
Found in: IEEE International Workshop on Databases for Next Generation Researchers
By Ryosuke Konishi, Yusuke Takahashi, Yasushi Kiyoki
Issue Date:April 2007
pp. 91-96
No summary available.
 
Future Directions for Cyber Knowledge and Databases
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Yasushi Kiyoki, Masa Inakage, Masahiko Satoh, Masaru Tomita
Issue Date:January 2004
pp. 495
<p>In the design of multimedia database systems, one of the important issues is how to deal with
 
Exploiting Web Service Usage Context to Facilitate Services Organization
Found in: Web Information Systems and Applications Conference
By Rong Zhang, Koji Zettsu, Yutaka Kidawara, Yasushi Kiyoki
Issue Date:August 2010
pp. 197-202
Service-oriented architectures (SOA) are becoming the dominant computing paradigm, where all resources are abstracted as services to form services society. Open-access and easy-visiting of services are keys to services eco-system, thus service search engin...
 
Phenomena-Based Management of Geotime-Tagged Contents on the Web
Found in: Advances in Databases, First International Conference on
By Kyoung-Sook Kim, Koji Zettsu, Yutaka Kidawara, Yasushi Kiyoki
Issue Date:April 2010
pp. 173-178
Recently, Geoweb services help people easily create and share geo-spatiotemporal contents through Internet. As a result, it becomes an emerging issue to manage Geoweb contents in exploding lots of spatiotemporal information and to obtain comprehensive know...
 
Multimedia Data Analysis on a Massively Distributed Parallelization Network of Anonymous Web Clients
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Jeremy K. Hall, Shuichi Kurabayashi, Yasushi Kiyoki
Issue Date:April 2010
pp. 615-620
This paper proposes an architecture for forming a parallelization network composed of anonymous web clients - those users anonymously browsing a website. This architecture is layered on conventional HTTP-based web applications to organize their clients as ...
 
StickViz: A New Visualization Tool for Phenomenon-Based k-Neighbors Searches in Geosocial Networking Services
Found in: Conference, International Asia-Pacific Web
By Kyoung-Sook Kim, Koji Zettsu, Yutaka Kidawara, Yasushi Kiyoki
Issue Date:April 2010
pp. 22-28
Geosocial networking services allow users to create,use, and share information and to communicate with other people regarding geographical locations and time. Geosocial networking services generate large amounts of spatiotemporal contents that mainly inclu...
 
A Context-Based Whole Video Retrieval System with Dynamic Video Stream Analysis Mechanisms
Found in: Multimedia, International Symposium on
By Shuichi Kurabayashi, Taichi Ueno, Yasushi Kiyoki
Issue Date:December 2009
pp. 505-510
With the rapid expansion of fictional video contents on WWW, it is important to develop video retrieval mechanisms for fictional video contents, such as TV drama, animations, and movies. This paper proposes a context-based video retrieval system for retrie...
 
Sticker: Searching and Aggregating User-Generated Contents along with Trajectories of Moving Phenomena
Found in: Mobile Data Management, IEEE International Conference on
By Kyoung-Sook Kim, Koji Zettsu, Yutaka Kidawara, Yasushi Kiyoki
Issue Date:May 2009
pp. 365-366
With the advance of the Web technologies, people can more easily access the geographic information and generate various types of user contents including geo-information on the Web. Consequently, geo-web and geo-communities have been infrastructures to shar...
 
Dynamic Cross-domain Link Creation for Interconnection of Heterogeneous Knowledge Bases
Found in: Universal Communication, International Symposium on
By Takafumi Nakanishi, Koji Zettsu, Yutaka Kidawara, Yasushi Kiyoki
Issue Date:December 2008
pp. 374-381
This paper presents a method for the creation ofdynamic cross-domain links for interconnection ofheterogeneous knowledge bases. The proposed methodrepresents various relationships in heterogeneousfields and navigates to related contents in theseheterogeneo...
 
A Vector Space Model on Hierarchical Structures with Dynamic Mapping Operator Creation
Found in: Web Intelligence and Intelligent Agent Technology, IEEE/WIC/ACM International Conference on
By Takafumi Nakanishi, Koji Zettsu, Yutaka Kidawara, Yasushi Kiyoki
Issue Date:December 2008
pp. 45-49
We develop a new vector space model of a hierarchical structure depending on a user’s viewpoint by performing dynamic mapping operator creation. In order to determine appropriate relationships among information resources, it is important to develop a corre...
 
Approaching the Interconnection of Heterogeneous Knowledge Bases on a Knowledge Grid
Found in: Semantics, Knowledge and Grid, International Conference on
By Takafumi Nakanishi, Koji Zettsu, Yutaka Kidawara, Yasushi Kiyoki
Issue Date:December 2008
pp. 71-78
This paper presents a method for the interconnection of heterogeneous knowledge bases on a knowledge grid for knowledge sharing and provision. Various knowledge bases have been created by using collaborative editing environments such as Wiki in each field....
 
SIKA: A Decentralized Architecture for Knowledge Grid Resource Management
Found in: Information-Explosion and Next Generation Search, International Workshop on
By Rong Zhang, Koji Zettsu, Yutaka Kidawara, Yasushi Kiyoki
Issue Date:April 2008
pp. 47-54
Grid system has facilitated large scale, flexible, distributed, secure and coordinated resource sharing. It aims to make full use of the network resources and build a harmonious collaborative community. However, resource management and quick resource locat...
 
An Automatic Extraction Method of Time-Series Impression-Metadata for Color Information of Video Streams
Found in: Data Engineering Workshops, 22nd International Conference on
By Nobuko Miura, Shuichi Kurabayashi, Yasushi Kiyoki
Issue Date:April 2005
pp. 1233
In this paper, we present a metadata extraction method for temporal transitional impression of video streams. The main feature of our method is automatic extraction of timeseries impression-metadata, which represent temporal transitional impressions accord...
 
A Metadata Extraction Method for Taste-Impression with Sensor Technologies
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Hanako Kariya, Yasushi Kiyoki
Issue Date:February 2005
pp. 442-445
In this paper, we present a metadata extraction method for taste-impression with sensor technologies. Our metadata extraction method extracts taste-impression metadata automatically by using sensor outputs retrieved from the taste sensor, according to char...
 
Space Creation and Evaluation Method Using Specialized and General Knowledge for Semantic Associative Search
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Shiori Sasaki, Yasushi Kiyoki
Issue Date:February 2005
pp. 434-437
<p>In this paper, we present a new creation method of a semantic retrieval space for a specialized field of study, especially for the field of International Relations (IR), and new evaluation criteria for verifying practical effectiveness of the crea...
 
A Vector Space Retrieval Method with Causal Relationship Computation Functions for Event Data
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Taizo Zushi, Kosuke Takano, Yasushi Kiyoki
Issue Date:February 2005
pp. 430-433
In this paper, we propose a vector space retrieval method with causal relationship computation functions for event data. The method is used for the domain in which a query given by a user can be regarded as an event. By expressing an event as a vector, cau...
 
Automatic Adaptive Metadata Generation for Image Retrieval
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Hideyasu Sasaki, Yasushi Kiyoki
Issue Date:February 2005
pp. 426-429
In this paper, we present an automatic adaptive metadata generation system using content analysis of sample images. First, our system screens out improper query images for metadata generation by using CBIR that computes structural similarity between sample...
 
Meta-Chronicle: A Spatial and Temporal Multidatabase System and Its Application to Histories
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Naoki Ishibashi, Yasushi Kiyoki
Issue Date:January 2004
pp. 515
<p>By creating an interconnection mechanism among a lot of legacy databases, the values of those databases gain significantly. Semantic interoperability among heterogeneous legacy databases has been a critical issue for a decade, because the values g...
 
A Meta-Level Career-Design Support System for Connecting Educational and Occupational Databases
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Yusuke Takahashi, Yasushi Kiyoki
Issue Date:January 2004
pp. 523
In this paper, we present an implementation study for constructing a meta-level career design support system for connecting educational and occupational databases. This system is implemented as a multi-database system for dealing with educational and occup...
 
A Prototype Implementation of Metadata Generation for Image Retrieval
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Hideyasu Sasaki, Yasushi Kiyoki
Issue Date:January 2004
pp. 460
In this paper, we present a prototype implementation of a metadata generation method by exemplary textual indexing to digital images for image retrieval. The proposed method uses image processing for computing structural similarity between the prepared sam...
 
A Proposal for Digital Library Protection
Found in: Digital Libraries, Joint Conference on
By Hideyasu Sasaki, Yasushi Kiyoki
Issue Date:May 2003
pp. 392
No summary available.
   
A Semantic Associative Search Method for WWW Information Resources
Found in: Web Information Systems Engineering, International Conference on
By Yasushi Kiyoki, Xing Chen, Takashi Kitagawa
Issue Date:June 2000
pp. 0230
In the current World Wide Web (WWW) environment, it is important to realize intelligent and effective information acquisition mechanisms. We have proposed a semantic associative search method based on our mathematical model of meaning to realize intelligen...
 
SAVVY: A Semantic Associative Browsing System for Heterogeneous Knowledge Resources
Found in: Hawaii International Conference on System Sciences
By Takafumi Nakanishi, Koji Zettsu, Yutaka Kidawara, Yasushi Kiyoki
Issue Date:January 2009
pp. 1-10
This paper presents a semantic associative browsing system called Semantic Association Various Viewpoint sYstem (SAVVY). Recently, the number of users who employ search engines for not only retrieving Web pages but also understanding or learning an arbitra...
   
An Implementation of a Semantic Associative Search Space for Medical Document Databases
Found in: Applications and the Internet Workshops, IEEE/IPSJ International Symposium on
By Minoru Kawamoto, Yasushi Kiyoki, Naofumi Yoshida, Seitaro Fujishima, Sadakazu Aiso
Issue Date:January 2004
pp. 488
<p> In this paper, we present an implementation of a semantic associative search space for medical document databases.</p> <p>We have implemented a semantic associative search space for the medical field by using encyclopedias which descr...
 
Music Homogeneity Analysis through Instantaneous Frequencies
Found in: Proceedings of International Conference on Advances in Mobile Computing & Multimedia (MoMM '13)
By Tatiana Endrjukaite, Yasushi Kiyoki
Issue Date:December 2013
pp. 405-411
This paper describes a new method of music data retrieval. Proposed method provides a way to determine tune's internal homogeneity, which means detecting which parts of the tune sound typical to whole tune and which do not. Such information can be used for...
     
A regional food's features extraction algorithm and its application
Found in: Proceedings of the 5th international workshop on Multimedia for cooking & eating activities (CEA '13)
By Diep Thi-Ngoc Nguyen, Trung Duc Nguyen, Yasushi Kiyoki
Issue Date:October 2013
pp. 15-20
Automatically detecting food's taste is a non-trivial part. However, we realize that the taste of food can be extracted by directly analyzing recipes by the ingredients and the amount of them in the recipes. In this paper, we present a food analysis system...
     
Towards moving phenomena data management
Found in: Proceedings of the 3rd International Universal Communication Symposium (IUCS '09)
By Koji Zettsu, Kyoung-Sook Kim, Yasushi Kiyoki, Yutaka Kidawara
Issue Date:December 2009
pp. 269-272
With the spread of Geoweb, people can more easily create and exchange geo-spatiotemporal contents on the Web. Consequently, it becomes an emerging issue to manage exploding amount of Geoweb contents more efficiently than traditional approaches for mapping ...
     
SOBEX: distributed service <u>s</u>earch engine that exploits service c<u>o</u>lla<u>b</u>oration cont<u>ex</u>t
Found in: Proceedings of the 3rd International Universal Communication Symposium (IUCS '09)
By Koji Zettsu, Rong Zhang, Takafumi Nakanishi, Yasushi Kiyoki, Yutaka Kidawara
Issue Date:December 2009
pp. 261-268
Service-oriented architecture (SOA) is emerging as a paradigm for developing distributed application. As the development of hardware and software technology, fast increasing of peers or services has issued critical problems for the popularity of SOA. One i...
     
SAVVY Wiki: a context-oriented collaborative knowledge management system
Found in: Proceedings of the 5th International Symposium on Wikis and Open Collaboration (WikiSym '09)
By Koji Zettsu, Takafumi Nakanishi, Yasushi Kiyoki, Yutaka Kidawara
Issue Date:October 2009
pp. 1-8
This paper presents a new Wiki called SAVVY Wiki that realizes context-oriented, collective and collaborative knowledge management environments that are able to reflect users' intentions and recognitions. Users can collaboratively organize fragmentary know...
     
A stream-oriented approach to distributed query processing in a local area network
Found in: Proceedings of the 1986 ACM SIGSMALL/PC symposium on Small systems (SIGSMALL '86)
By Kazuhiko Kato, Takashi Masuda, Yasushi Kiyoki
Issue Date:December 1986
pp. 146-155
This paper presents a stream-oriented approach to distributed query processing in a local area network. This approach enables relational operations (relational database operations) to be executed concurrently in local area network environments. This paper ...
     
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