25 Result(s)
within
English
Computer Science
Computer Communication Networks
Data Mining and Knowledge Discovery
**ya Sato
Conference Paper
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Chapter and Conference Paper
An Ultrasonic 3D Positioning System Using a Single Compact Receiver Unit
We present a system that can identify positions of objects in three-dimensional space using ultrasonic communications. The proposed system uses the time of flight of ultrasonic waves to calculate the distance ...
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Chapter and Conference Paper
Social Robot Design
The purpose of this study is to describe the network of human and non human as the personal robot in the community. We designed an original program for the personal robot and took it to the nursery school. We ...
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Chapter and Conference Paper
N±ε: Reflecting Local Risk Assessment in LoA
Risk analysis is one of major phases in information security. In a modern framework of qualitative risk analysis, it is common that each of information assets, threats and vulnerability is given a small number...
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Chapter and Conference Paper
Population Estimation of Internet Forum Community by Posted Article Distribution
Traditionally, it seems that there are no typical patterns or regularities on an internet forum and the bulletin board because it is a result of voluntary behaviour of an individual user. However, recent studi...
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Chapter and Conference Paper
Using PCA to Predict Customer Churn in Telecommunication Dataset
Failure to identify potential churners affects significantly a company revenues and services that can provide. Imbalance distribution of instances between churners and non-churners and the size of customer dat...
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Chapter and Conference Paper
A System to Share Arrangements for Daily Tasks and Life Events on the Web
It is important to make plans and preparations for daily tasks and life events, for example when moving house. A well-considered arrangement makes it possible to efficiently finish such tasks and events. It wo...
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Chapter and Conference Paper
The Efficacy of Euler and Venn Diagrams in Deductive Reasoning: Empirical Findings
This paper discusses the cognitive differences between reasoning with Euler diagrams and reasoning with Venn diagrams. We test subjects’ performances in syllogism solving in case where these two types of diagr...
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Chapter and Conference Paper
Experience-Based Curiosity Model: Curiosity Extracting Model Regarding Individual Experiences of Urban Spaces
Many online advertising and web-based recommendation systems have been developed, however not so many services consider individual’s real activities in the real world for real time recommendation, regarding th...
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Chapter and Conference Paper
Word Familiarity Distributions to Understand Heaps’ Law of Vocabulary Growth of the Internet Forums
In this study, lexical analysis is applied to the log data of conversations on Internet forums. It is well known that many regularities in documents have been found, for example, Zipf’s law and Heaps’ law. Thi...
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Chapter and Conference Paper
Unsupervised Scene Classification Based on Context of Features for a Mobile Robot
This paper presents an unsupervised scene classification method based on the context of features for semantic recognition of indoor scenes used for an autonomous mobile robot. Our method creates Visual Words (...
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Chapter and Conference Paper
A Design-Supporting Tool for Implementing the Learning-Based Approach: Accommodating Users’ Domain Knowledge into Design Processes
In the current interactive product/system design, while users’ acquisition of sufficient knowledge for operating a product or system is increasingly considered important, their acquisition of problem-solving k...
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Chapter and Conference Paper
Using Neural Networks for Forecasting of Commodity Time Series Trends
Time series of commodity prices are investigated on two scales - across commodities for a portfolio of items available from the database@ of the International Monetary Fund on monthly averages scale, as well a...
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Chapter and Conference Paper
Direct and Global Component Separation from a Single Image Using Basis Representation
Previous research showed that the separation of direct and global components could be done with a single image by assuming neighboring scene points have similar direct and global components, but it normally le...
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Chapter and Conference Paper
Measuring Refractive Properties of Human Vision by Showing 4D Light Fields
In this paper, we propose a novel method for measuring refractive properties of human vision. Our method generates a special 4D light field and present it to human observers, so that the observers will see dif...
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Chapter and Conference Paper
Ultra-Shallow DoF Imaging Using Faced Paraboloidal Mirrors
We propose a new imaging method that achieves an ultra-shallow depth of field (DoF) to clearly visualize a particular depth in a 3-D scene. The key optical device consists of a pair of faced paraboloidal mirro...
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Chapter and Conference Paper
Showing Different Images to Observers by Using Difference in Retinal Impulse Response
In this paper, we propose a novel method for displaying different images to individual observers by using the difference of temporal response characteristics of these observers. The temporal response character...
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Chapter and Conference Paper
Spectral Reflectance Recovery with Interreflection Using a Hyperspectral Image
The capture of scene spectral reflectance (SR) provides a wealth of information about the material properties of objects, and has proven useful for applications including classification, synthetic relighting, ...
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Chapter and Conference Paper
Linear Algebraic Characterization of Logic Programs
This paper introduces a novel approach for computing logic programming semantics based on multilinear algebra. First, a propositional Herbrand base is represented in a vector space and if-then rules in a progr...
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Chapter and Conference Paper
Development of an End Effector Capable of Intuitive Grasp Operation for SPIDAR-W
This paper proposes a new grasp operation end effector for the wearable 6 DoF haptic device SPIDAR-W. With the new end effector, users can intuitively perform grasp operations in a virtual environment. Traditi...
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Chapter and Conference Paper
Development of Frame for SPIDAR Tablet on Windows and Evaluation of System-Presented Geographical Information
When viewing a map, we understand the terrain by the symbols marking the buildings, roads, and landmarks. However, these pieces of information are in planar form. The original road has a slope and is irregular...
