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I. Introduction 1
1-1. Research Backgrounds 2
1-1-1. Design as a Problem-Solving Activity 2
1-1-2. Case-Based Design ＆ Reasoning 3
1-1-3. Computational Models and Knowledge Representations of Intelligent Systems 4
1-1-4. Intelligent Agents and Knowledge Ontology 5
1-1-5. Knowledge Acquisitions of Information-Overloading 6
1-2. Research Motivation 7
1-3. Research Scopes and Goals 10
1-3-1. The Case Library of a CBD System 10
1-3-2. Knowledge Representations of Design Cases 11
1-3-3. Knowledge Discovery from Design Information 13
1-3-4. Research Goals 14
1-4. Research Method and Procedure 15
1-5. Definitions of Terminology 18
II. Literature Survey 23
2-1. Case-Based Architectural Design 23
2-1-1. CBD System for Architectural Design 23
2-1-2. Architectural Case Library 26
2-1-3. Information of Architectural Design Cases 28
2-1-4. Summary 29
2-2. Knowledge Representation of Architectural Design Cases 32
2-2-1. Human Memory Based Approaches 32
2-2-2. Information Model Based Approaches 34
2-2-3. Semantic Ontology Based Approaches 36
2-2-4. Summary 38
2-3. Architectural Design Knowledge Management 41
2-3-1. Tacit, Implicit, and Explicit Knowledge 43
2-3-2. Procedural and Declarative Knowledge of Intelligent System 46
2-3-3. Design Information Mining for Architectural Design Knowledge Management 48
2-3-4. Summary 50
2-4. Conclusions 52
III. Research Framework and System Analysis 55
3-1. The Requirements of a Case Library 55
3-1-1. The Application of Architectural Education 55
3-1-2. The Application of Architectural Practice 58
3-1-3. Summary 60
3-2. Case Base for Architecture (CBA) 62
3-2-1. Keyword-Based Approach of the CBA 62
3-2-2. Information Structures of the CBA 64
3-2-3. Keyword Based Search Mechanism of the CBA 66
3-2-4. Smart Semantic Query of the CBA 68
3-2-5. Basic Schema of Keywords 70
3-2-6. Summary 72
3-3. Open Case Study (OCS) 73
3-3-1. Ontology-Based Approach of the OCS 74
3-3-2. The Open Ontology of OCS 79
3-3-3. Detection and Visualization of the Ontology-Based Knowledge 85
3-3-4. Summary 88
3-4. Modeling Spatial Information in OCS 90
3-4-1. The Graphic Approach of Spatial Topology Retrieval (STR) 91
3-4-2. Space Layout Algorithm of STR 94
3-4-3. Encoding ＆ Retrieval of Spatial Information by STR 98
3-4-4. Summary 104
3-5. Conclusions 105
IV. System Implementations and Evaluations 107
4-1. Smart Semantic Query of CBA 107
4-2. The Open Ontology of OCS 109
4-2-1. Implementation of Open Ontology 110
4-2-2. Implementation of Concept Explorer Interface 112
4-3. Graphic Interface of Spatial Information 113
4-3-1. Simple Validating Algorithm of SLG 114
4-3-2. Encoding Spatial Information by STR 116
4-3-3. Partial Retrieval of Floor Planes by STR Ranking 117
4-4. Testing and Evaluations of Implementations 118
4-4-1. Keyword-Based Searching and Representation of SSQ 119
4-4-2. Ontology-Based Metadata of OCS 121
4-4-3. Graphic Spatial Information of STR 123
4-5. Conclusions 126
V. Discussions 127
5-1. Keyword-Based Search and Representation Mechanism 127
5-1-1. Narrowing Query Gaps by Reversed-Indexing of Keywords 127
5-1-2. Necessary Rich Corpus for Text Mining 129
5-1-3. Assistance of Keyword Search by Visual Interface 130
5-1-4. Keyword-Based Knowledge Representation 131
5-2. Ontology-Based Metadata of a Case Library 133
5-2-1. Semantic Association as Connections among Design Knowledge 133
5-2-2. Re-interpretation of Design Knowledge in Cases 135
5-2-3. Knowledge Types in Design Cases 136
5-3. Implicit Graphic Knowledge of Design Cases 137
5-4. Summary 139
VI. Conclusions and Future Works 141
6-1. Conclusions 142
6-2. Future Works 144
VII. References 146
VIII. Appendixes 157
8-1. Algorithms of SSQ 157
8-1-1. The tf-idf Weighting 157
8-1-2. Cosine Similarity 157
8-1-3. Memory-Based Detecting Algorithm 158
8-1-4. Association-Base Detecting Algorithm 159
8-1-5. Early House Cases of CBA 160
8-1-6. Keyword Recognition Experiment 163
8-2. Simple Validating Algorithm of SLG 165
8-3. Converting Algorithm of STR 167
8-4. Similarity Ranking Algorithm of TPM 167
IX. The Author’s Resume 169
9-1. Publications 169
9-1-1. Journal Papers 169
9-1-2. Conference Papers 170
9-2. Research Projects 171
9-3. Other Projects 172
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