12 Result(s)
within
Computer Science
Computer Communication Networks
Database Management
Information Systems Applications (incl. Internet)
**ya Sato
Chapter
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Chapter and Conference Paper
Extension of Smartphone by Wearable Input/Output Interface with Floor Projection
In this paper, we propose an extension of smartphones with a wearable input/output interface with floor projection (WIIFP). WIIFP has advantages in comparison with smartphones. First, WIIFP allows the user to...
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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
Co-occurring Cluster Mining for Damage Patterns Analysis of a Fuel Cell
In this study, we research the mechanical correlations among components of solid oxide fuel cell (SOFC) by analyzing the co-occurrence of acoustic emission (AE) events which are caused by damage. Then we propo...
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Chapter and Conference Paper
Privacy-Preserving EM Algorithm for Clustering on Social Network
We consider the clustering problem in a private social network, in which all vertices are independent and private, and each of them knows nothing about vertices other than itself and its neighbors. Many cluste...
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Chapter and Conference Paper
Probabilistic Matrix Factorization Leveraging Contexts for Unsupervised Relation Extraction
The clustering of the semantic relations between entities extracted from a corpus is one of the main issues in unsupervised relation extraction (URE). Previous methods assume a huge corpus because they have ut...
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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
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
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
A Novel Indexing Method for Digital Video Contents Using a 3-Dimensional City Map
This paper presents a novel indexing method for digital video contents. The method automatically identifies city buildings captured by digital video camera. This is done by extracting the objects from candidat...
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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
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...
