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Online review plays an important role when people are making decisions to purchase a product or service. It is shown that sellers can benefit from boosting their product review or downgrading their competitors' product review. Dishonest behavior on reviews can seriously affect both buyers and sellers. In this paper, we introduce a novel angle to detect dishonest reviews, called Equal Rating Opportunity...
This paper describes a new physical unclonable function for identification, FiberID, which uses the molecular level Rayleigh backscatter pattern within a small section of telecommunication-grade optical fiber as a means of verification and identification. The verification process via FiberID is experimentally studied, and an equal error rate (EER) of 0.06% is achieved. Systematic evaluation of FiberID...
While personal data privacy is threatened by online social networks, researchers are seeking for privacy protection tools and methods to assist online social network providers and users. In this paper, we aim to address this problem by investigating how to quantitatively evaluate the privacy risk, as a function of people's awareness of privacy risks as well as whether their friends can be trusted...
This paper exploits the "localization" property of the wavelet transform to optimize the integration interval in transmitted reference (TR) system. The average correlation receiver is adopted in this paper to suppress the noise contained in the reference signal. The integration time optimization is based on the fact that the path energy decreases as the path delay increases and the tail...
Considering the frequency spectrum characteristics of the UWB carrier envelope modulation (CEM) scheme which was first introduced in ("The carrier envelope modulation (CEM) scheme for ultra-wideband WPAN communication", IEEE ISCIT 2005, vol.2, pp.837-841, 12-14 Oct. 2005), a novel orthogonal comb spectrum correlation demodulation method is presented in this paper. In order to satisfy the...
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