Number of co-authors:14
Number of publications with 3 favourite co-authors:Liang He:2Hongan Wang:2Danli Wang:2
Yang Zhang's 3 most productive colleagues in number of publications:John M. Carroll:209Mary Beth Rosson:142Hongan Wang:19
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Publications by Yang Zhang (bibliography)
Xu, Zhiheng, Zhang, Yang, Wu, Yao and Yang, Qing (2012): Modeling user posting behavior on social media. In: Proceedings of the 35th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval 2012. pp. 545-554. Available online
User generated content is the basic element of social media websites. Relatively few studies have systematically analyzed the motivation to create and share content, especially from the perspective of a common user. In this paper, we perform a comprehensive analysis of user posting behavior on a popular social media website, Twitter. Specifically, we assume that user behavior is mainly influenced by three factors: breaking news, posts from social friends and user's intrinsic interest, and propose a mixture latent topic model to combine all these factors. We evaluated our model on a large-scale Twitter dataset from three different perspectives: the perplexity of held-out content, the performance of predicting retweets and the quality of generated latent topics. The results were encouraging, our model clearly outperformed its competitors.
© All rights reserved Xu et al. and/or ACM Press
He, Liang, Li, Guang, Zhang, Yang, Wang, Danli and Wang, Hongan (2012): TempoString: a tangible tool for children's music creation. In: Proceedings of the 2012 International Conference on Uniquitous Computing 2012. pp. 643-644.
In this paper, we introduce the design and implementation of TempoString, an easy-to-use tool which assists children with music creation. It provides such a fun and novel platform by allowing children to "draw" music on a canvas and then edit it using a rope. The main contribution of our work is the novel access which allows children to "paint" music on a canvas and then edit using a rope.
© All rights reserved He et al. and/or ACM Press
Wang, Danli, Zhang, Yang, Gu, Tianyuan, He, Liang and Wang, Hongan (2012): E-Block: a tangible programming tool for children. In: Adjunct Proceedings of the 2012 ACM Symposium on User Interface Software and Technology 2012. pp. 71-72. Available online
E-Block is a tangible programming tool for children aged 5 to 9 which gives children a preliminary understanding of programming. Children can write programs to play a maze game by placing the programming blocks in E-Block. The two stages in a general programming process: programming and running are all embodied in E-Block. We realized E-Block by wireless and infrared technology and gave it feedbacks on both screen and programming blocks. The result of a preliminary user study proved that E-Block is attractive to children and easy to learn and use.
© All rights reserved Wang et al. and/or ACM Press
Kase, Sue E., Zhang, Yang, Carroll, John M. and Rosson, Mary Beth (2008): Sustainable informal it learning in community-based nonprofits. In: Proceedings of ACM CHI 2008 Conference on Human Factors in Computing Systems April 5-10, 2008. pp. 3435-3440. Available online
Nonprofit organizations (NPOs) play a substantial role in the economies of many countries, in the delivery of social services, and in many quasi-government functions. But NPOs face many resource challenges; for example, they depend on volunteer labor that is often under-trained and has high turnover resulting in limited knowledge acquisition and decreased sustainability. Ethnographic data from a three-year multi-organizational analysis reveals the occurrence of social and technical patterns during informal technology learning. Construction of a pattern schema grounded in organizational learning and activity theories will enable the development of lightweight interventions in establishing information technology sustainability, self-directed learning, and management processes in NPOs.
© All rights reserved Kase et al. and/or ACM Press
Cao, Jiannong, Zhang, Yang, Cao, Guohong and Xie, Li (2007): Data Consistency for Cooperative Caching in Mobile Environments. In IEEE Computer, 40 (4) pp. 60-66. Available online
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