| 摘要 | 第1-7页 |
| Abstract | 第7-9页 |
| Contents | 第9-12页 |
| Abbreviations | 第12-13页 |
| List of Tables | 第13-14页 |
| List of Figures | 第14-15页 |
| Chapter 1 Introduction | 第15-19页 |
| ·Background of the study | 第15-16页 |
| ·Aim and significance of the study | 第16-17页 |
| ·Creative points | 第17页 |
| ·Outline of the thesis | 第17-19页 |
| Chapter 2 Literature Review | 第19-29页 |
| ·Previous studies on English prepositions | 第19-24页 |
| ·Previous studies on English prepositions abroad | 第19-22页 |
| ·Previous studies on prepositions in China | 第22-24页 |
| ·Previous studies on word sense disambiguation | 第24-27页 |
| ·Previous studies on word sense disambiguation abroad | 第24-26页 |
| ·Previous studies on word sense disambiguation in China | 第26-27页 |
| ·Previous studies on formal concept analysis | 第27-29页 |
| Chapter 3 Theoretical Foundation and Data Collection | 第29-35页 |
| ·Theoretical foundation of the study | 第29-32页 |
| ·Definition and theorem of formal concept analysis | 第29-31页 |
| ·Structural partial-ordered attribute diagram | 第31-32页 |
| ·Research method and data collection | 第32-35页 |
| Chapter 4 Semantic Categorization of English Preposition over | 第35-41页 |
| ·Reasons for selecting over | 第35-36页 |
| ·Classification of preposition over | 第36-39页 |
| ·Range of study of preposition over | 第39-40页 |
| ·Summary | 第40-41页 |
| Chapter 5 Construction of the WSD Model of Preposition over | 第41-69页 |
| ·General description of construction of the WSD model | 第41-42页 |
| ·Categorization of senses of preposition over | 第42-43页 |
| ·Construction of a sense-tagged corpus of over | 第43-44页 |
| ·Selection of one training set and two testing sets | 第44页 |
| ·Feature extraction from the context | 第44-49页 |
| ·Concept and classification of context | 第44-45页 |
| ·Contextual features | 第45-46页 |
| ·Semantic and syntactic features of preposition over | 第46-49页 |
| ·Vectorization of linguistic features | 第49-50页 |
| ·Division of the MIs | 第50-56页 |
| ·Design of the WSD model by formal concept analysis | 第56-59页 |
| ·Formal context of one training set and two testing sets | 第56页 |
| ·A structural partial-ordered attribute diagram of the training set | 第56-58页 |
| ·Testing model | 第58-59页 |
| ·Rule extraction for the WSD of over | 第59-63页 |
| ·Formal concept optimization | 第59-61页 |
| ·Rule extraction for the WSD model of over | 第61-62页 |
| ·Rules for Testing the WSD Model | 第62-63页 |
| ·Another experiment for construction of the WSD model of over | 第63-68页 |
| ·Reconstruction of the WSD model | 第63-66页 |
| ·Rule extraction for the reconstructed WSD model | 第66-68页 |
| ·Summary | 第68-69页 |
| Chapter 6 Interaction of Contextual Features | 第69-83页 |
| ·Layer distribution of contextual features | 第69-71页 |
| ·Influence of semantic and syntactic features on the senses of over | 第71-78页 |
| ·Influence of semantic and syntactic features on the spatial meaning of over | 第71-75页 |
| ·Influence of semantic and syntactic features on the non-spatial meaning of over | 第75-77页 |
| ·Influence of semantic and syntactic features on the temporal meaning of over | 第77-78页 |
| ·Extents and intents of the senses of over | 第78-82页 |
| ·Extents of the senses of over | 第78-79页 |
| ·Intents of the senses of over | 第79-82页 |
| ·Summary | 第82-83页 |
| Chapter 7 Conclusion | 第83-88页 |
| ·Main findings of the study | 第83-85页 |
| ·Implications of the study | 第85页 |
| ·Limitations and suggestions for further study | 第85-88页 |
| References | 第88-96页 |
| Appendix I | 第96-104页 |
| Appendix II | 第104-108页 |
| Acknowledgements | 第108-109页 |
| 作者简介 | 第109页 |
