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1.加权模糊Petri网在不精确知识表示和推理中的应用研究 |
4-54 |
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第一章 前言 |
7-10 |
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1.1 研究背景 |
7-8 |
|
1.2 本文研究内容 |
8-10 |
|
第二章 基于加权模糊Petri网的知识表示 |
10-21 |
|
2.1 基于含阈值的加权CF模型的不确定知识表示 |
10-14 |
|
2.1.1 基于可信度的不确定推理 |
10-12 |
|
2.1.2 含阈值的加权CF模型 |
12-14 |
|
2.2 加权模糊Petri网及知识表示 |
14-21 |
|
2.2.1 加权模糊Petri网基本定义 |
14-15 |
|
2.2.2 由含阈值的加权CF模型知识表示到加权模糊Petri网知识表示 |
15-16 |
|
2.2.3 加权模糊Petri网的扩展 |
16-20 |
|
2.2.4 模糊规则库到加权模糊Petri网的转换 |
20-21 |
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第三章 基于加权模糊Petri网的知识推理与知识一致性维护 |
21-38 |
|
3.1 加权模糊Petri网推理的基本概念 |
21 |
|
3.2 加权模糊Petri网的推理算法 |
21-33 |
|
3.2.1 改进的加权模糊Petri网正向推理算法 |
23-26 |
|
3.2.2 基于矩阵运算的Petri网反向推理算法 |
26-33 |
|
3.3 知识一致性维护 |
33-38 |
|
3.3.1 加权模糊Petri网中循环推理路径的消除 |
34-36 |
|
3.3.2 加权模糊Petri网中矛盾命题的消除 |
36-38 |
|
第四章 加权模糊Petri网的命题权值学习算法 |
38-43 |
|
4.1 加权模糊Petri网的学习和训练 |
38-43 |
|
4.1.1 加权模糊Petri网中的反向递推(BP)算法 |
38-41 |
|
4.1.2 加权模糊Petri网模型学习和训练的步骤 |
41 |
|
4.1.3 实例计算 |
41-43 |
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第五章 基于遗传算法学习加权模糊Petri网的规则可信度 |
43-46 |
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5.1 加权模糊Petri网(WFPN)模型 |
43 |
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5.2 WFPN的规则可信度的学习 |
43-44 |
|
5.2.1 学习规则可信度的遗传算法的设计 |
43-44 |
|
5.3 实例计算 |
44-46 |
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第六章 实验系统 |
46-48 |
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6.1 基于矩阵运算的WFPN知识推理实验系统描述 |
46-48 |
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结束语 |
48-49 |
|
参考文献 |
49-54 |
|
2. Research on Weighted Fuzzy Petri Net and its Applications in Imprecise Knowledge Representation and Reasoning |
54-106 |
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Chapter 1 the Preface |
57-60 |
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1.1 The Research Background |
57-59 |
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1.2 The Content of Research |
59-60 |
|
Chapter 2 Knowledge Representation Using Weighted Fuzzy Petri Net |
60-73 |
|
2.1 Uncertain Knowledge Representation Based on Weighted CF Model Containing Threshold |
60-65 |
|
2.1.1 The Uncertain Reasoning Based on the Certainty Factor |
60-62 |
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2.1.2 Weighted CF Model Containing Threshold |
62-65 |
|
2.2 Weighted Fuzzy Petri Net and Knowledge Representation |
65-73 |
|
2.2.1 Basic Definitions |
65-66 |
|
2.2.2 The Knowledge Representation Using Weighted Fuzzy Petri Net |
66-67 |
|
2.2.3 Extended Weighted Fuzzy Petri Net |
67-71 |
|
2.2.4 Transforming the Fuzzy Rule Base into the Weighted Fuzzy Petri Net |
71-73 |
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Chapter 3 Knowledge Reasoning and Consistence Maintaining Using Weighted Fuzzy Petri Net |
73-92 |
|
3.1 The Basic Concepts of Weighted Fuzzy Petri Net |
73-74 |
|
3.2 The Reasoning Algorithms of the Weighted Fuzzy Petri Net |
74-87 |
|
3.2.1 Improved WFPN's Forward Reasoning Algorithm |
76-79 |
|
3.2.2 Backward Reasoning Algorithm of Petri Net Based on the Matrix Operations |
79-87 |
|
3.3 Knowledge Consistency Maintenance Based on WFPN |
87-92 |
|
3.3.1 Elimination of Cycles |
88-90 |
|
3.3.2 Elimination of Contradictory Propositions in WFPN |
90-92 |
|
Chapter 4 WFPN's Learning Algorithm |
92-98 |
|
4.1 The WFPN's Learning and Training |
93-98 |
|
4.1.1 BP Algorithm of the WFPN |
93-96 |
|
4.1.2 The Learning Algorithm of the WFPN |
96 |
|
4.1.3 Illustration |
96-98 |
|
Chapter 5 Learning the Certainty Factor of the WFPN Based on the Genetic Algorithm |
98-102 |
|
5.1 Weighted Fuzzy Petri Net (WFPN) Model |
98 |
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5.2 Learning the Certainty Factor Parameters of WFPN |
98-100 |
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5.2.1 Genetic Algorithm for Learning the Certainty Factors of the Rules |
99-100 |
|
5.3 Illustration |
100-102 |
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Chapter 6 Experimental System |
102-104 |
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6.1 Knowledge Reasoning Experimental System Framework Description |
102-104 |
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Future Research |
104-105 |
|
Reference |
105-106 |
|
3.Petri网与知识表示和推理综述 |
106-149 |
|
第一章 Petri网理论 |
109-116 |
|
1.1 Petri网简介 |
109 |
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1.2 Petri网的基本概念和术语 |
109-112 |
|
1.2.1 Petri模型介绍 |
109-110 |
|
1.2.2 网的基础知识 |
110-111 |
|
1.2.3 库所/变迁系统 |
111-112 |
|
1.3 Petri网特性及分析方法 |
112-116 |
|
1.3.1 Petri网特性 |
112-113 |
|
1.3.2 Petri网分析方法 |
113-114 |
|
1.3.3 Petri网用于知识表示与知识推理 |
114-116 |
|
第二章 模糊知识表示和推理 |
116-126 |
|
2.1 模糊产生式表示 |
116-118 |
|
2.1.1 模糊产生式规则的定义 |
116-117 |
|
2.1.2 模糊匹配 |
117 |
|
2.1.3 模糊产生式的激活执行 |
117-118 |
|
2.2 模糊Petri网和知识表示 |
118-121 |
|
2.2.1 模糊Petri网 |
118-119 |
|
2.2.2 模糊Petri网用于知识表示 |
119-121 |
|
2.3 加权模糊逻辑和加权模糊推理 |
121-126 |
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2.3.1 加权模糊逻辑 |
121-124 |
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2.3.2 加权模糊推理 |
124-126 |
|
第三章 Petri网与知识推理的研究 |
126-129 |
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第四章 Petri网与知识一致性维护的研究 |
129-132 |
|
第五章 Petri网与神经网络的结合 |
132-138 |
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5.1 人工神经网络 |
132-137 |
|
5.1.1 人工神经元模型 |
132-134 |
|
5.1.2 反向传播网络 |
134-137 |
|
5.2 神经网络与模糊Petri网的结合 |
137-138 |
|
第六章 Petri网与遗传算法的结合 |
138-143 |
|
6.1 引言 |
138-139 |
|
6.2 遗传算法的运行过程 |
139-142 |
|
6.2.1 遗传算法的描述 |
139-140 |
|
6.2.2 遗传算法的特点 |
140 |
|
6.2.3 遗传算法的改进 |
140-142 |
|
6.3 遗传算法与模糊Petri网的结合 |
142-143 |
|
结论与展望 |
143-144 |
|
参考文献 |
144-149 |
|
4. Survey: Petri Nets and the Knowledge Representation and Reasoning |
149-193 |
|
Chapter 1 Petri Net |
152-160 |
|
1.1 Introductions to Petri Nets |
152 |
|
1.2 Petri Net's Basic Concepts and Terminology |
152-156 |
|
1.2.1 Introduction to Petri Net Model |
152-153 |
|
1.2.2 Basic Knowledge of Net |
153-154 |
|
1.2.3 Places/Transitions System |
154-156 |
|
1.3 Petri Net's Properties and Analysis Methods |
156-160 |
|
1.3.1 Petri Net's Properties |
156-157 |
|
1.3.2 Petri Net's Analysis Methods |
157-159 |
|
1.3.3 Research on Knowledge Representation and Reasoning Using Petri Net |
159-160 |
|
Chapter 2 Fuzzy Knowledge Representation and Reasoning |
160-171 |
|
2.1 Fuzzy Production Rule |
160-163 |
|
2.1.1 The Definition of the Fuzzy Production Rule |
160-162 |
|
2.1.2 Fuzzy Matching |
162 |
|
2.1.3 The Execution of the Fuzzy Production Rule |
162-163 |
|
2.2 Fuzzy Petri Net and Knowledge Representation |
163-166 |
|
2.2.1 Fuzzy Petri Net |
163-164 |
|
2.2.2 Knowledge Representation Using Fuzzy Petri Net |
164-166 |
|
2.3 Weighted Fuzzy Logic and Weighted Fuzzy Reasoning |
166-171 |
|
2.3.1 Weighted Fuzzy Logic |
166-169 |
|
2.3.2 Weighted Fuzzy Reasoning |
169-171 |
|
Chapter 3 Knowledge Representation and Reasoning Using Petri Nets |
171-174 |
|
Chapter 4 Knowledge Verification Using Petri Net |
174-176 |
|
Chapter 5 Combination of Artificial Neural Network and Petri Nets |
176-184 |
|
5.1 Framework of Artificial Neural Network |
176-182 |
|
5.1.1 Artificial Neuron's Model |
177-180 |
|
5.1.2 Back-Propagation Network |
180-182 |
|
5.2 Combination of Neural Network and Fuzzy Petri Nets |
182-184 |
|
Chapter 6 Combination of Genetic Algorithm and Petri Nets |
184-190 |
|
6.1 Introduction |
184-186 |
|
6.2 Genetic Algorithms' Running Process |
186-190 |
|
6.2.1 Description of Genetic Algorithm |
186-187 |
|
6.2.2 Genetic Algorithms' Characteristic |
187 |
|
6.2.3 The Survey of GA's Amelioration |
187-190 |
|
6.3 Combination of Genetic Algorithm and Fuzzy Petri Nets |
190 |
|
Conclusions and Outlook |
190-192 |
|
References |
192-193 |
|
致谢 |
193 |