禅:Zen Problem solution
Overview of PDCA for digital transformation (DX), machine learning (ML), artificial intelligence (AI) problem setting and problem solving
Beginner
禅:Zen 
javascript Parallel processing and asynchronous processing
An overview of parallel/asynchronous processing for understanding web applications
web技術:web technology Protected: Search engine matching algorithm(Search engine string matching)
Overview and history of search engine pattern matching algorithms that can be used for digital transformation (DX), artificial intelligence (AI), and machine learning (ML), meta words, indexing, and string matching.
アルゴリズム:Algorithms Overview and Implementation of the Page Rank Algorithm
Search technology that can be used for digital transformation (DX), artificial intelligence (AI), and machine learning (ML). google search engine features page rank algorithm, random surface trick, authority score, memex, and hyperlink.
アルゴリズム:Algorithms Protected: Data compression algorithm(1)Lossless compression
Overview of Data Compression Algorithms, Lossy Data Compression Algorithms, Rule Length Encoding: Continuous Length Compression, ZIP Code Compression, FAX Compression, Memory Compression
アルゴリズム:Algorithms Protected: Pattern recognition algorithm
Introduction to pattern recognition algorithms, nearest neighbor methods, decision trees, and neural nets used in image processing and rule classification.
検索技術:Search Technology Search Tool FESS
Explains how to use FESS, an open source search engine tool that can be used as a tool for digital transformation (DX) verification, at a level that beginners can use.