Ⅰ. 개요
QBIC은 현재까지 선보인 내용기반 이미지 검색기법 중에서 가장 성공적인 기법으로 알려져 있다. 색상, 모양, 질감을 이용한 특징 데이터표현방법을 사용하며 색인기법은 R*트리를 이용한다. VisualSEEk과 Chabot는 색상에 의한 검색만 가능하였고, WALRUS는 변환함수로 웨이브릿 계수를 이용하여 검
Jean Piaget(1896–1980)
Swiss developmental psychologist and philosopher
the Director of the International Bureau of Education
the International Center for Genetic Epistemology
genetic epistemology
(cognitive development)
2-1 . Features of cognitive development
Assimilation
:the process of accepting a new scheme
based on the original scheme
Equilibration
:the proce
What is AI?
Artificial intelligence(AI) is the intelligence of machines and the branch of computer science that aims to create it.
Al text books define the field as "the study and design of intelligent agents“
John McCarthy, who coined the term in 1956, defines it as "the science and engineering of making intelligent machines
History of AI
Beginning (1943-1951)
Early Interest Period
formal- rational structure of each action type.
Explanatory pattern for communicative action can be divided into 4 steps; first, actions can be identified according to standard features of an ideal type. Second, the analysis of the ideal type reveals actors’ presuppositions including actor’s formal structure and knowledge. Third, the formal-typical idealizations of the theory are then tested
SOD에 대한 이해
1. THE RSL99 LANGUAGE FOR ROLE-BASED SEPARATION OF DUTY
CONSTRAINTS
Separation of duty(SOD)는 컴퓨터가 생기기 전부터 알려지고 사용되었던 fraud(속임, 사기)와 error를 방지하기 위한 fundamental technique이다. 이에 대한 연구가 이전부터 있었지만 SOD policies에 대해서 체계적인 방법으로 설명된 적은 거의 없