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Design and Implementation of Web Page Transformation System for Mobile Terminals

Author: QiuPeng
Tutor: MaHongLian
School: Dalian University of Technology
Course: Software Engineering
Keywords: Dom Tree Htmlparser Mobile Terminal Web Transcoder AsynchronousFreamwork
CLC: TN929.53
Type: Master's thesis
Year: 2012
Downloads: 109
Quote: 1
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Abstract


With the development of mobile terminal which has the manipulation of the interactive experience and carry a variety of sensors, cameras and location information, so that people can achieve more information anywhere. Mobile internet has become an integral part of people’s lives. The way people work, learn, life, entertainment will be depend on it, people began to more access to information on the mobile terminal. But some low-end phones can not browse the Html and the page is designed for PC so thar the browsing experience is very poor and with higher cost on traffic, time and bandwith.So the way to transform Html page for mobile terminal has significant effects on mobile applications and mobile web searching. It is also the key to integration the mobile intetnet and traditional internent information.For the above problems, this paper proposed a server-side web page transformation system. It will transform Html page to XHtml, so the final page can be browsed by all kinds of mobile terminals. More importantly, the system will parse and identify the page content, filter unwanted content, layout, adaptation and pagination again. It also will compress picture and finally stitching the entire page back to the user, the new page content, layout and browsing effect is more suitable for mobile terminals.The paper elaborated design and implementation details. Order to meet the real-time and efficient, system is mainly designed front-end module, the cache module, the crawler module and conversion modules, front-end module responsible for parsing the user request and the network interaction of other modules. Clawler will real-time captuer the request page. System by adding a cache module, so that repeated user requests will have rapid response and the system uses asynchronous framework to implement will improve the processing performance. Test result meets the above design requirements. More than85%pages can be well-browsed with excellent experience. The layout are reasonable and page compression ratio as high as76%, the average processing time is less than500ms, the cache hit rate is23.85%. Besides, the stress tests requested by100per second, the system resources are reasonable, the program is stable. Users will acquire low-cost, fast and excellent browsing experience.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications > Cellular mobile communications systems (mobile phones, mobile phone handsets )
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