282 Result(s)
within
English
Information Systems Applications (incl. Internet)
**ya Sato
Computer Science
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Chapter
A data model, knowledge base, and natural language processing for sharing a large statistical database
Most existing statistical databases are mere collections of statistical files gathered for specific purposes. Consequently, as they grow in size, users are faced with difficulties in identifying and finding th...
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Chapter and Conference Paper
Multimedia communications and groupware
Groupware is about people communicating with one another. People's communications are inherently multimedia: text, voice, graphics, image, animation, and video. A number of moderately priced multimedia communi...
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Chapter and Conference Paper
Video data management in Media Controller: A distributed multimedia surveillance system
This paper describes a multimedia surveillance system, the Media Controller. The Media Controller is designed for industrial surveillance and monitoring applications, and it provides the realtime recording and...
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Chapter and Conference Paper
DeleGate: A general purpose application level gateway
DeleGate is a general purpose application level gateway which relays a variety of application protocols on the Internet, including HTTP, FTP, Gopher, WAIS, NNTP, SMTP, POP, Telnet, X Window and CU-SeeMe. It ov...
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Chapter and Conference Paper
Perspective on Data Mining from Statistical Viewpoints
The history of statistical data analysis is old, it goes back to the 1920’s. Many fundamental concepts of multivariate statistical data analysis, especially pure theoretical notions, have been accomplished by ...
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Chapter and Conference Paper
Information Retrieval Method for Frequently Updated Information System
In business system such as intranets, it is important to find valuable information from huge data in short term. A traditional centralized search engine is not suitable for this purpose because it is difficult...
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Chapter and Conference Paper
Variance-Penalized Reinforcement Learning for Risk-Averse Asset Allocation
The tasks of optimizing asset allocation considering transaction costs can be formulated into the framework of Markov Decision Processes(MDPs) and reinforcement learning. In this paper, a risk-averse reinforce...
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Chapter and Conference Paper
Temporal Constraints for Object Migration and Behavior Modeling Using Colored Petri Nets
In databases based on a multi-aspects object-oriented data model which enables multiple aspects of a real-world entity to be represented and to be acquired/lost dynamically, Object Migration (OM) updating memb...
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Chapter and Conference Paper
A Note on Filtration and Granular Reasoning
The filtration method in modal logic is considered to develop a way of formulating an aspect of granular reasoning, which, roughly speaking, means human reasoning based on granularity. The method, however, ori...
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Chapter and Conference Paper
Social Interaction as Knowledge Trading Games
In this paper, we propose knowledge transaction as basic constitutes of social interaction. Knowledge transaction among agents with heterogeneous knowledge are formulated as knowledge trading games. Each agent...
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Chapter and Conference Paper
A Note on Conditional Logic and Association Rules
Association rules in data mining are considered from a point of view of conditional logic and rough sets. In our previous work, given an association rule in some fixed database, its corresponding Kripke model ...
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Chapter and Conference Paper
U-Mart Project: Learning Economic Principles from the Bottom by Both Human and Software Agents
U-Mart is an interdisciplinary research program of agent-based artificial market. U-Mart proposes an open-type test bed to study trading strategies of agents, behavior of the market and their relationship. An ...
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Chapter and Conference Paper
Performance Modeling of Layered-Data Delivery for Mobile Users through Broadcast/On-Demand Hybrid Communication
We have proposed an efficient layered-data delivery system through multiple heterogeneous networks, which are on-demand and broadcast [1]. It is considered that layered data, such as map data, are composed of (1)...
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Chapter and Conference Paper
A Proposal of Multicast for Personalized Media Stream Delivery
This paper describes a scheme of network distribution that enables innovative broadcast content delivery service over the next-generation broadband Internet. The scheme enables producing diverse video/audio co...
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Chapter and Conference Paper
Retransmission Tree Configuration for Reliable Multicast Protocols
Some reliable multicast protocols are based on the retransmission tree that is used for the packet retransmission through the tree. In the mobile environment, the retransmission tree should be configured dynam...
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Chapter and Conference Paper
A Hierarchical Model to Support Kansei Mining Process
Image retrieval by subjective content has been recently addressed by the Kansei engineering community in Japan. Such information retrieval systems aim to include subjective aspects of the users in the querying...
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Chapter and Conference Paper
Vision-Based Face Tracking System for Large Displays
In this paper, we present a stereo-based face tracking system which can track the 3D position and orientation of a user in real-time, and the system’s application for interaction with a large display. Our trac...
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Chapter and Conference Paper
Braille Printing System
It is believed that for the newly blind, to use large size Braille is more effective than to use that of standard size in practising Braille recognition. On the other hand, it may be preferable to use small si...
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Chapter and Conference Paper
Human-Body Motion Simulation Using Bone-Based Human Model and Construction of Motion Database
This paper presents motion simulation/evaluation system for factory workers in the framework of “Info-Ergonomics.” One of the key technologies is CG simulation based on the precise human body mockup called “Bo...
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Chapter and Conference Paper
Fresh Information Retrieval Using Cooperative Meta Search Engines
In web page retrievals, search engines are usually used. However, conventional search engines have a problem in that their update intervals are very long because they are based on centralized architecture, whi...
