Wong Wai-Yiu. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 113-120). / Abstracts in English and Chinese. / Chapter 1 --- Introduction and Outline of the Dissertation --- p.1 / Chapter 1.1 --- Collaborative Infomediaries --- p.1 / Chapter 1.2 --- Measuring Factors that Influence the Success of Infomediary --- p.3 / Chapter 1.3 --- Thesis Contributions --- p.5 / Chapter 1.4 --- Thesis Organization --- p.7 / Chapter 2 --- Related Work on Collaborative Infomediary --- p.8 / Chapter 2.1 --- RECOMMENDER SYSTEM - Infomediary --- p.8 / Chapter 2.1.1 --- Utility-based recommenders --- p.9 / Chapter 2.1.2 --- Knowledge-based recommenders --- p.10 / Chapter 2.1.3 --- Content-based recommenders --- p.11 / Chapter 2.1.4 --- Collaborative recommenders --- p.12 / Chapter 2.1.5 --- Hybrid recommenders --- p.14 / Chapter 2.2 --- Types of Collaborative Filtering --- p.15 / Chapter 2.2.1 --- Memory-based methods --- p.15 / Chapter 2.2.2 --- Model-based methods --- p.16 / Chapter 2.3 --- Similarity Measures --- p.16 / Chapter 2.4 --- Prediction algorithm --- p.19 / Chapter 2.5 --- User Profile --- p.20 / Chapter 2.6 --- Relevance Feedback --- p.21 / Chapter 2.7 --- Comparison basis for user similarity --- p.22 / Chapter 3 --- Research Methodology --- p.23 / Chapter 3.1 --- Collaborative Infomediary System Design --- p.24 / Chapter 3.1.1 --- System Functionalities --- p.24 / Chapter 3.1.2 --- Overview of System Design --- p.24 / Chapter 3.2 --- User Profile --- p.26 / Chapter 3.2.1 --- Sources of news articles --- p.27 / Chapter 3.2.2 --- Regions of news --- p.27 / Chapter 3.2.3 --- Categories of Industries --- p.28 / Chapter 3.2.4 --- Listed Companies --- p.29 / Chapter 3.2.5 --- User-specified Keywords --- p.30 / Chapter 3.2.6 --- User Profile Scoring (Scoreprofile) --- p.30 / Chapter 3.3 --- User Feedback --- p.31 / Chapter 3.3.1 --- Scoring formulation for feedback (Score feedback) --- p.31 / Chapter 3.4 --- User Similarity --- p.33 / Chapter 3.4.1 --- Source --- p.34 / Chapter 3.4.2 --- Regions of news --- p.35 / Chapter 3.4.3 --- Category of Industries --- p.35 / Chapter 3.4.4 --- Listed companies in Hong Kong stock market and Userspecified Keywords --- p.36 / Chapter 3.4.5 --- Overall Similarity --- p.36 / Chapter 3.5 --- News Article Scoring --- p.37 / Chapter 3.6 --- User Interface of Collaborative Infomediary --- p.38 / Chapter 3.6.1 --- User Registration and Preference Setting --- p.38 / Chapter 3.6.2 --- Current Day News Retrieval --- p.42 / Chapter 3.6.3 --- Past News Retrieval --- p.46 / Chapter 3.6.4 --- Search News --- p.47 / Chapter 4 --- Evaluation Methodology & Experimental Results --- p.50 / Chapter 4.1 --- Experimental Design & Setup --- p.51 / Chapter 4.1.1 --- Performance Measures --- p.53 / Chapter 4.2 --- Experiment Results & Discussions --- p.54 / Chapter 4.2.1 --- Similarity Threshold against average number of collaborators --- p.54 / Chapter 4.2.2 --- Performance Measures among setups --- p.55 / Chapter 4.2.3 --- Performance Measures against Similarity Threshold --- p.59 / Chapter 5 --- Related work on the Measuring Factors that Influence the Success of Infomediary --- p.64 / Chapter 5.1 --- Different approaches to IS success measurement --- p.64 / Chapter 5.2 --- User Information Satisfaction/End-User Computing Satisfaction --- p.66 / Chapter 5.2.1 --- Definition of user satisfaction --- p.66 / Chapter 5.2.2 --- Factors/dimensions affecting IS user satisfaction --- p.67 / Chapter 5.3 --- Evaluation of Web-site --- p.69 / Chapter 5.4 --- Web Customer Satisfaction --- p.70 / Chapter 5.4.1 --- Customer satisfaction --- p.71 / Chapter 5.4.2 --- Factors/Dimensions affecting customer information satisfaction --- p.72 / Chapter 6 --- Research Methodology --- p.78 / Chapter 6.1 --- Methodological Approach --- p.78 / Chapter 6.2 --- Construct Definition and Item Pool Generation --- p.79 / Chapter 6.2.1 --- Customer Values on Infomediary --- p.79 / Chapter 6.2.2 --- Means Objectives and Fundamental Objectives --- p.80 / Chapter 6.3 --- Relationships between Customer Values --- p.85 / Chapter 6.4 --- Survey Instrument --- p.86 / Chapter 6.4.1 --- Task File --- p.87 / Chapter 6.4.2 --- Questionnaire: Demographic Variables and Measures . --- p.87 / Chapter 6.4.3 --- Sample Description and Survey Administration --- p.88 / Chapter 7 --- Data Analysis and Results --- p.90 / Chapter 7.1 --- DATA ANALYSIS APPROACH --- p.90 / Chapter 7.1.1 --- Purification --- p.90 / Chapter 7.1.2 --- Identification of Factor Structure --- p.92 / Chapter 7.1.3 --- Construct validity --- p.97 / Chapter 7.2 --- RESEARCH FINDINGS --- p.98 / Chapter 7.2.1 --- Descriptive statistics --- p.98 / Chapter 7.2.2 --- Purification- Means Objectives --- p.99 / Chapter 7.2.3 --- Factor Structure Identification- Means Objectives --- p.99 / Chapter 7.2.4 --- Construct validity- Means Objectives --- p.104 / Chapter 7.2.5 --- Purification- Fundamental Objectives --- p.104 / Chapter 7.2.6 --- Factor Structure Identification- Fundamental Objectives --- p.105 / Chapter 7.2.7 --- Construct validity- Fundamental Objectives --- p.107 / Chapter 7.2.8 --- A Model for Measuring factors that Influence Infomediary Success --- p.108 / Chapter 8 --- Conclusions and Future Work --- p.109 / Chapter 8.1 --- "Implications, Limitations and Future Work - Collaborative Infomediary" --- p.109 / Chapter 8.2 --- "Implications, Limitations and Future Work - Infomediary Success Factors" --- p.110 / Chapter 8.3 --- Conclusions --- p.112 / Bibliography --- p.113 / Chapter A --- Means Objectives Fundamental Objectives --- p.121 / Chapter A.1 --- List of Means Objectives & Fundamental Objectives --- p.121 / Chapter B --- Statistical Results for Collaborative Infomediary Experiment --- p.129 / Chapter C --- Statistical Results for Measuring Factors that influence success of Infomediary --- p.136 / Chapter D --- Survey Task File Questionnaire --- p.152 / Chapter E --- Tutorial Guide for experiment on Collaborative Infomediary --- p.170
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_324603 |
| Date | January 2004 |
| Contributors | Wong, Wai-Yiu., 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, xiii, 192 leaves : ill. (some col.) ; 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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