Number of co-authors:14
Number of publications with 3 favourite co-authors:Liang He:Qing Yang:Guang Li:
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. http://dx.doi.org/10.1145/2348283.2348358
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. http://dx.doi.org/10.1145/2380296.2380327
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. http://doi.acm.org/10.1145/1358628.1358870
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. http://doi.ieeecomputersociety.org/10.1109/MC.2007.123
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