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A Canadian in situ oilsands bitumen-derived vacuum residue (VR) was subjected to supercritical fluid extraction and fractionation (SFEF) into 13 extractable fractions and an unextractable end-cut and characterized by positive- and negative-ion electrospray ionization (ESI) Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS). The results of negative-ion ESI FT-ICR MS showed that...
This online community of people based on classification theory, combined with the user's microblogging features, made the first groundbreaking microblogging users will be divided into 10 types, and is divided into 10 categories of user needs according to Maslow's classification distinction again, different from other microblogging only a single user Maslow's classification of this study for future...
As the customer relationship management is highly recognized by more companies and has put it into practice, how to have a full life cycle management of targeted business customers has become the actual customer management issues for common concern. The definition of customer lifetime value, qualitative and quantitative studies in this paper were retrospectively analyzed and summarized, the analysis...
Collaborative filtering recommender systems have become important tools of making personalized recommendations for products or services during a live interaction nowadays. However prediction accuracy is still a big challenge for CF based recommender system. One of the reason leads to the inaccuracy comes from the neighbor selecting which only consider the similarity between users in traditional algorithms...
While online shopping has many advantages, it did not diffuse as fast as people's forecasting. In this paper, we conduct content analyses to some news reports from 1998-2007 based on actor network theory in order to explain how online shopping developed and diffused in China and what technological and social factors attributed to the adoption process of online shopping. By doing this, we can better...
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