Publication statistics

Pub. period:2005-2009
Pub. count:6
Number of co-authors:10



Co-authors

Number of publications with 3 favourite co-authors:

Vincent Y. Shen:3
Dickson K. W. Chiu:2
Mingxuan Yuan:2

 

 

Productive colleagues

Dan Hong's 3 most productive colleagues in number of publications:

Wei-Ying Ma:95
Dickson K. W. Chiu:35
Xing Xie:31
 
 
 

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Dan Hong

 

Publications by Dan Hong (bibliography)

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2009
 
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Xiao, Xiangye, Luo, Qiong, Hong, Dan, Fu, Hongbo, Xie, Xing and Ma, Wei-Ying (2009): Browsing on small displays by transforming Web pages into hierarchically structured subpages. In ACM Transactions on the Web, 3 (1) p. 4. Available online

We propose a new Web page transformation method to facilitate Web browsing on handheld devices such as Personal Digital Assistants (PDAs). In our approach, an original Web page that does not fit on the screen is transformed into a set of subpages, each of which fits on the screen. This transformation is done through slicing the original page into page blocks iteratively, with several factors considered. These factors include the size of the screen, the size of each page block, the number of blocks in each transformed page, the depth of the tree hierarchy that the transformed pages form, as well as the semantic coherence between blocks. We call the tree hierarchy of the transformed pages an SP-tree. In an SP-tree, an internal node consists of a textually enhanced thumbnail image with hyperlinks, and a leaf node is a block extracted from a subpage of the original Web page. We adaptively adjust the fanout and the height of the SP-tree so that each thumbnail image is clear enough for users to read, while at the same time, the number of clicks needed to reach a leaf page is few. Through this transformation algorithm, we preserve the contextual information in the original Web page and reduce scrolling. We have implemented this transformation module on a proxy server and have conducted usability studies on its performance. Our system achieved a shorter task completion time compared with that of transformations from the Opera browser in nine of ten tasks. The average improvement on familiar pages was

© All rights reserved Xiao et al. and/or ACM

2007
 
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Chiu, Dickson K. W., Hong, Dan, Cheung, S. C. and Kafeza, Eleanna (2007): Towards Ubiquitous Government Services through Adaptations with Context and Views in a Three-Tier Architecture. In: HICSS 2007 - 40th Hawaii International International Conference on Systems Science 3-6 January, 2007, Waikoloa, Big Island, HI, USA. p. 94. Available online

2005
 
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Hong, Dan, Yuan, Mingxuan and Shen, Vincent Y. (2005): Dynamic privacy management: a plug-in service for the middleware in pervasive computing. In: Proceedings of 7th conference on Human-computer interaction with mobile devices and services 2005. pp. 1-8. Available online

Context-aware applications can better meet users' needs when sensing agents installed in the environment automatically provide input relevant to the application. However, this non-intrusive context usage may cause privacy concerns since sensitive user data could be leaked to unauthorized parties. Therefore, data privacy protection becomes one of the major issues for context-aware applications. In this paper, in order to provide services based on various levels of privacy concerns, we extend the Platform for Privacy Preferences of W3C and define a specification for representing user privacy preferences for context-aware applications. We also propose a privacy infrastructure, which could be installed as a plug-in service for middleware supporting context-aware applications. This infrastructure enables the middleware to automatically generate a privacy policy and the user preference file according to the current context. The middleware simply matches these two files to decide whether to proceed with the application. We demonstrate the efficacy of this approach through a prototype implementation.

© All rights reserved Hong et al. and/or ACM Press

 
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Hong, Dan, Yuan, Mingxuan and Shen, Vincent Y. (2005): Dynamic privacy management: a plug-in service for the middleware in pervasive computing. In: Tscheligi, Manfred, Bernhaupt, Regina and Mihalic, Kristijan (eds.) Proceedings of the 7th Conference on Human-Computer Interaction with Mobile Devices and Services - Mobile HCI 2005 September 19-22, 2005, Salzburg, Austria. pp. 1-8. Available online

 
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Xiao, Xiangye, Luo, Qiong, Hong, Dan and Fu, Hongbo (2005): Slicing*-tree based web page transformation for small displays. In: Herzog, Otthein, Schek, Hans-Jorg and Fuhr, Norbert (eds.) Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management October 31 - November 5, 2005, Bremen, Germany. pp. 303-304. Available online

 
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Hong, Dan, Chiu, Dickson K. W. and Shen, Vincent Y. (2005): Requirements elicitation for the design of context-aware applications in a ubiquitous environment. In: Li, Qi and Liang, Ting-Peng (eds.) Proceedings of the 7th International Conference on Electronic Commerce - ICEC 2005 August 15-17, 2005, Xian, China. pp. 590-596. Available online

 
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