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Fingerprint Dive into the research topics where Sachio Hirokawa is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

Engineering & Materials Science

Search engines
Students
Blogs
Websites
Feature extraction
Support vector machines
Learning systems
Visualization
Recommender systems
HTML
Wine
Experiments
Education
Industry
Feedback
Data mining
Semantics
Teaching
Hotels
Standardization
Substitution reactions
Directed graphs
Health care
Internet
Agriculture
Communication
Formal concept analysis
Electronic medical equipment
Thesauri
Glossaries
Analog to digital conversion
Error detection
Testbeds
Online searching
Metadata
Arthroplasty
World Wide Web
Time series analysis
Macros
Time series
Collaborative filtering
Processing
Classifiers
Statistics
Labels
Statistical methods
Decision trees
Data warehouses
Crime
Textbooks

Mathematics

Term
Search Engine
Wrapper
Citations
Normal Form
Blogs
Count
Evaluation
Calculus
Grammar
Machine Learning
HTML
Graph in graph theory
Web Graph
Query
Semistructured Data
Tie
Theorem
Bankruptcy
Figure
Visualization
Extractor
Assignment
Formal Concept Analysis
Support Vector
Metadata
Lambda Calculus
Patents
Prediction
Alternation
Stock Prices
Time Series Analysis
Repository
Feature Selection
Type Systems
Substitution
Converse
Text Mining

Social Sciences

student
learning
search engine
learning behavior
visualization
quiz
trend
weblog
survey research
performance
evaluation
behavior analysis
foreign language teaching
learning environment
foreign language
programming
tourist
technical literature
Teaching
language
quality assurance
computer simulation
neural network
semantics
electronic learning
textbook