5Massoudi K, Tsagkias M, Rijke M D,et al. Incorporating query expansion and quality indicators in searching microblog posts [ J ]. Lecture Notes in Computer Science Advances in Information Retrieval,2011 (4) :362 -367.
6Jansen B J,Zhang M, Sobel K, et al. Twitter power :Tweets as electronic word of mouth[ J]. Journal of American Society for Information Science and Technology,2009, 60 ( 11 ) :2169 - 2188.
7Yao Y R, Murphy L. Remote electronic voting systems:An exploration of voters'perceptions and intention to use[J]. European Journal of Information Systems 2007,16 (2) : 106 - 120.
8Loo W H, Yeow P H P. User acceptance of Malaysian government multipurpose smartcard applications [ J ]. Government hfformation Quarterly ,2009,26(2) : 358 - 367.
9Lee J, Rao H R. Task complexity and different decision criteria for online service acceptance: A comparison of two e-government compliance service domains [ J ]. Decision Support Systems, 2009,47 (4) : 424 -435.
10Chan F K Y,Thong J Y L,Venkatesh V,et al. Modeling citizen satisfaction with mandatory adoption of an e-Government technology [ J]. Journal of the Association for Information Systems, 2010, 11 (10) :519 -549.