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In the era of Social Web, there has been an explosive growth of user-contributed comments posted to various online social media. However, increasingly more misleading and deceptive user comments found at online social media have also been a great concern for consumers and merchants, and social spam have been brought to the attention by the legal circle in(More)
BACKGROUND Hepatitis B virus (HBV) infection is a significant global health problem, especially in China. Chronic liver disease affects health related quality of life (HRQOL). The intervention method to improve HRQOL in patients with hepatitis B has been one-dimensional with inconsistent results. The purpose of this study was to evaluate the effect of(More)
Recently, a large body of research has been devoted to examine the user behavioral patterns and the business implications of social media. However, relatively little research has been conducted regarding users’ deceptive activities in social media; these deceptive activities may hinder the effective application of the data collected from social media to(More)
The purpose of this study was to explore direct economic burden and its influencing factors in patients with hepatitis B virus (HBV) related diseases. Time phasing continuous sampling was used to select patients from August 1, 2012, to December 31, 2012, in 3 county hospitals of 3 model regions in Jiangsu Province, China. A total of 436 outpatients and 196(More)
Recently computational methods for deception detection at e-markets have attracted a lot of researchers' attention since various deceptive means are threating customers' participation at e-markets. However, relatively little research is conducted regarding the detection of fraudulent transactions at e-markets, such as Taobao, the largest C2C and B2C(More)
The aim of this study was to assess the long-term effects of community-based health management on elderly diabetic patients using a Markov model. A Markov decision model was used to simulate the natural history of diabetes. Data were obtained from our randomized trials of elderly with type 2 diabetes and from the published literature. One hundred elderly(More)
In the current study, we examine the relative effects of the two types of consumer reviews (i.e., positive and negative eWOM) on consumers’ purchase decisions, and the moderating roles of the two types of information usefulness (i.e., explicit usefulness and implicit usefulness). Analyzing a large-scale panel data collected from an online shopping site, we(More)
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