formal semantic model

Based on in-depth analysis of customer demand characteristics in MC environment, method of requirement elicitation, decomposition and conversion was proposed and a complete set of formal semantic model was built as well.

论文在深入分析MC环境客户需求特点的基础上，提出了客户需求获取分解及处理的方法并建立了一套完整的形式化需求语义模型。

The major work and contributions of this dissertation are as follows: 1. Putting forward a formal approach to model OWL-S based semantic web services atomic and composite processes operational semantic with Label Color Petri Nets ( LCPN).

主要工作与贡献包括如下五个方面：1.利用标签颜色Petri网（LCPN）方法对OWL-S描述的语义Web服务原子与复合进程的过程模型进行形式化建模。

With the advantages of formal semantic definition, visually graphical expression, firm mathematical foundation and description based on state, the Petri net is applied to model and optimize the workflow process more and more.

由于Petri网具有形式化的语义定义、直观的图形表达、严格的数学基础以及基于状态的描述等优点，被越来越广泛应用于工作流过程建模和流程优化。

Specifically, major contributions are as follows: Firstly, this thesis develops a formal semantic model for component that is based on predicate logic, set theory and Pi-calculus.

具体如下：首先，本文结合构件的静态结构特征和动态行为特征，基于谓词逻辑、集合论以及进程代数π演算，提出了一种构件的形式语义模型。

A Formal Semantic Model Facing Object Language

一个面向对象语言的形式语义模型

The primary contents are summarized as follows: An overview of the key functions of the EXPRESS modelling language as well as a formal semantic description of the EXPRESS data model is introduced.

对EXPRESS建模语言的核心功能作了概述，并给出了EXPRESS数据模型的一个形式化语义描述。

According to the features of formal semantic network model and attribute grammars, the new model uses symbols of attribute grammars to establish grammar and semantic rule schema suitable for semantic networks, and implements the reasoning by the expanded attribute grammar interpreter.

根据形式化的语义网络表示模型和属性文法的特点，该模型使用属性文法的符号建立了一些适合于语义网络表示模型的语法和语义规则模式，并且可通过扩充的属性文法的解释器来实现推理。

Based on this model, the corresponding formal semantic description approaches to these five types of the information about customer needs were discussed.

探讨了不同类型的客户需求信息相应的形式化语义描述方法。

Formal Semantic of Architecture-Centric Component Model

以体系结构为中心的构件模型的形式化语义