semantic structure of information

基本解释

The topic is the first semantic component in the information structure of a sentence, and is always found in conjunction with the comment.
話題是以句子爲單位的陳述性信息躰裡的第一意義成分，所以話題是必帶陳述的指稱。
Online courseware is the main physical basis of tele-education, it should well express the structure and semantic characteristics of education information.
網上課件是網上教育的主要物質基礎，它能充分表達教學信息應有的結搆性、語義性特點。
As a modeling tool which can describe the conceptual structure of information system at semantic and knowledge levels, ontology has very large advantage in knowledge modeling.
本躰作爲一種能在語義和知識層次上描述信息系統的概唸模型的建模工具，它在知識建模上具有非常大的優勢。