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研究生: 方忠和
Chung-Ho Fang
論文名稱: 應用客戶端JavaScript於改善視障者專用搜尋引擎之介面
Improving search engine interfaces for blind users by applying Specialized Client-Side JavaScript
指導教授: 唐傳義
Chuan-Yi Tang
口試委員:
學位類別: 碩士
Master
系所名稱: 電機資訊學院 - 資訊工程學系
Computer Science
論文出版年: 2007
畢業學年度: 95
語文別: 中文
論文頁數: 55
中文關鍵詞: 搜尋引擎盲人無障礙網頁JavaScript
外文關鍵詞: search engine, Blind, Web accessibility, JavaScript
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  • 隨著資訊的發達,搜尋引擎已成為網路上獲取資訊重要的媒介。然而網站的設計常未考慮網頁的親和力,使得視障者在瀏覽網頁、資訊獲取上常常遭遇許多的困難。本研究以客戶端的JavaScript為工具,改善搜尋引擎的既有介面,使其更適合盲人們使用螢幕閱讀軟體或點字閱讀,並且提供不同搜尋引擎間相同的介面及功能,使得使用者可以有效率的在不同的搜尋引擎間獲取資訊,並且展示了客戶端JavaScript可以有效的改良網頁介面。實驗以五名視障者為對象,實驗的結果顯示SCSJ可以有效的提高視障者獲取資訊的效率。未來希望可以應用於其他常用的網站,使得網路上所有人可以不因為先天的障礙而阻礙了自由獲取資訊的能力。


    With the development of information technology, search engines have become a necessary media in searching for information on the internet. However, the design of websites usually did not take web accessibility into consideration and visually impaired users encountered difficulties in retrieving required information.

    The current study used client-side JavaScript to improve the interfaces of the search engines. The objectives are making interfaces more suitable for visually impaired users either with screen reader or Braille and providing the same interface and functions for different search engines. The above-mentioned achievements can make the search tasks more efficient for all users and also demonstrate that client-side JavaScript can better website interfaces.

    The study had 5 blind participants to try out Specialized Client-Side JavaScript (SCSJ). The results showed that SCSJ successfully enhanced the efficiency in acquiring information for the blind. It is hoped SCSJ can be applied to other websites and make information easy access to everyone.

    Ch1 Introduction 1 1.1 Motivation 1 1.2 Objectives 1 1.3 Framework of the study 2 Ch2 Literature Review 4 2.1 Web accessibility 4 2.1.1 Web Content Accessibility Guidelines 5 2.1.2 Accessible Web Development Guidelines 8 2.1.3 JavaScript and accessibility 10 2.1.4 AJAX and accessibility 11 2.2 Search engines 14 2.3 Related work 15 Ch3 Research Method 17 3.1 Research framework 17 3.2 Client-Side JavaScript application tools 17 3.2.1 Greasemonkey 18 3.2.2 Trixie 19 3.3 What is Specialized Client-Side JavaScript (SCSJ) 20 3.3.1 Inspiration 20 3.3.2 System requirements 21 3.3.3 The SCSJ installation process 22 3.3.4 Functions and interface design for SCSJ 23 3.3.4.1 Section of search results 27 3.3.4.2 Section of “List of links” 28 3.3.4.3 Section of “List of headings” 30 3.3.4.4 Section of “List of access keys” 30 3.3.4.5 Section of “Cross site search” 32 3.3.4.6 Other functions and conclusion 35 3.4 Research design 36 3.4.1 Pilot study 36 3.4.2 Participants 37 3.4.3 Procedures 37 Chapter 4 Results and Interpretation 40 4.1 Designated tasks and results 40 4.1.1 Designated tasks 40 4.1.2 Participants’ performance on designated task 42 4.2 Questionnaires 44 4.3 Discussion 46 Ch5 Conclusion and future work 47 5.1 Conclusion 47 5.2 Future work 48 References 50 Appendix Ⅰ 52 Appendix Ⅱ 55

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    Yi-Fan Yang(楊以凡)(2006) Specialized Design of Web Search Engine for the Blind People. National Tsing Hua University. Master’s Thesis.

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