Li Yuk Chi. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references (leaves [112]-119). / Abstracts in English and Chinese. / Abstract --- p.2 / List of Figures --- p.8 / List of Tables --- p.12 / Chapter 1 --- Introduction --- p.17 / Chapter 1.1 --- Information Retrieval --- p.18 / Chapter 1.1.1 --- Information Retrieval Models --- p.19 / Chapter 1.1.2 --- Information Retrieval in English --- p.20 / Chapter 1.1.3 --- Information Retrieval in Chinese --- p.22 / Chapter 1.2 --- Spoken Document Retrieval --- p.24 / Chapter 1.2.1 --- Spoken Document Retrieval in English --- p.25 / Chapter 1.2.2 --- Spoken Document Retrieval in Chinese --- p.25 / Chapter 1.3 --- Previous Work --- p.28 / Chapter 1.4 --- Motivation --- p.32 / Chapter 1.5 --- Goals --- p.33 / Chapter 1.6 --- Thesis Organization --- p.34 / Chapter 2 --- Investigation Framework --- p.35 / Chapter 2.1 --- Indexing the Spoken Document Collection --- p.36 / Chapter 2.2 --- Query Processing --- p.37 / Chapter 2.3 --- Subword Indexing --- p.37 / Chapter 2.4 --- Robustness in Chinese Spoken Document Retrieval --- p.40 / Chapter 2.5 --- Retrieval --- p.40 / Chapter 2.6 --- Evaluation --- p.43 / Chapter 2.6.1 --- Average Inverse Rank --- p.43 / Chapter 2.6.2 --- Mean Average Precision --- p.44 / Chapter 3 --- Subword-based Chinese Spoken Document Retrieval --- p.46 / Chapter 3.1 --- The Cantonese Corpus --- p.48 / Chapter 3.2 --- Known-Item Retrieval --- p.49 / Chapter 3.3 --- Subword Formulation for Cantonese Spoken Document Retrieval --- p.50 / Chapter 3.4 --- Audio Indexing by Cantonese Speech Recognition --- p.52 / Chapter 3.4.1 --- Seed Models from Adapted Data --- p.52 / Chapter 3.4.2 --- Retraining Acoustic Models --- p.53 / Chapter 3.5 --- The Retrieval Model --- p.55 / Chapter 3.6 --- Experiments --- p.56 / Chapter 3.6.1 --- Setup and Observations --- p.57 / Chapter 3.6.2 --- Results Analysis --- p.58 / Chapter 3.7 --- Chapter Summary --- p.63 / Chapter 4 --- Robust Indexing and Retrieval Methods --- p.64 / Chapter 4.1 --- Query Expansion using Phonetic Confusion --- p.65 / Chapter 4.1.1 --- Syllable-Syllable Confusions from Recognition --- p.66 / Chapter 4.1.2 --- Experimental Setup and Observation --- p.67 / Chapter 4.2 --- Document Expansion --- p.71 / Chapter 4.2.1 --- The Side Collection for Expansion --- p.72 / Chapter 4.2.2 --- Detailed Procedures in Document Expansion --- p.72 / Chapter 4.2.3 --- Improvements due to Document Expansion --- p.73 / Chapter 4.3 --- Using both Query and Document Expansion --- p.75 / Chapter 4.4 --- Chapter Summary --- p.76 / Chapter 5 --- Cross-Language Spoken Document Retrieval --- p.78 / Chapter 5.1 --- The Topic Detection and Tracking Collection --- p.80 / Chapter 5.1.1 --- The Spoken Document Collection --- p.81 / Chapter 5.1.2 --- The Translingual Query --- p.82 / Chapter 5.1.3 --- The Side Collection --- p.82 / Chapter 5.1.4 --- Subword-based Indexing --- p.83 / Chapter 5.2 --- The Translingual Retrieval Task --- p.83 / Chapter 5.3 --- Machine Translated Query --- p.85 / Chapter 5.3.1 --- The Unbalanced Query --- p.85 / Chapter 5.3.2 --- The Balanced Query --- p.87 / Chapter 5.3.3 --- Results on the Weight Balancing Scheme --- p.88 / Chapter 5.4 --- Document Expansion from a Side Collection --- p.89 / Chapter 5.5 --- Performance Evaluation and Analysis --- p.91 / Chapter 5.6 --- Chapter Summary --- p.93 / Chapter 6 --- Summary and Future Work --- p.95 / Chapter 6.1 --- Future Directions --- p.97 / Chapter A --- Input format for the IR engine --- p.101 / Chapter B --- Preliminary Results on the Two Normalization Schemes --- p.102 / Chapter C --- Significance Tests --- p.103 / Chapter C.1 --- Query Expansions for Cantonese Spoken Document Retrieval --- p.103 / Chapter C.2 --- Document Expansion for Cantonese Spoken Document Retrieval --- p.105 / Chapter C.3 --- Balanced Query for Cross-Language Spoken Document Retrieval --- p.107 / Chapter C.4 --- Document Expansion for Cross-Language Spoken Document Retrieval --- p.107 / Chapter D --- The Use of an Unrelated Source for Expanding Spoken Doc- uments in Cantonese --- p.110 / Bibliography --- p.110
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_323383 |
| Date | January 2001 |
| Contributors | Li, Yuk Chi., Chinese University of Hong Kong Graduate School. Division of Systems Engineering and Engineering Management. |
| Source Sets | The Chinese University of Hong Kong |
| Language | English, Chinese |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, 119 leaves : ill. ; 30 cm. |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
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