In this paper, we first provide a comprehensive investigation of four online job recommender systems (JRSs) from four different aspects: user profiling, recommendation strategies, recommendation output, and user feedback. In particular, we summarize the pros and cons of these online JRSs and highlight their differences. We then discuss the challenges in building high-quality JRSs. One main challenge lies on the design of recommendation strategies since different job applicants may have different characteristics. To address the aforementioned challenge, we develop an online JRS, iHR, which groups users into different clusters and employs different recommendation approaches for different user clusters. As a result, iHR has the capability of choosing the appropriate recommendation approaches according to users' characteristics. Empirical results demonstrate the effectiveness of the proposed system.
for a long time, science visualization, also called graphic visualization has been widely used in the medical field. However, another kind of visualization, called information visualization or data visualization is playing a more and more important role in this field in recent years. This paper is to provide a solution to apply information visualization in telemedicine. Due to the unique data complexity in telemedicine, directly applying existing visualization techniques into the current practice of telemedicine is ineffective and inefficient, if not impossible. In this paper, we plan to introduce an integrated effective and efficient framework on information visualization for telemedicine applications. This solution will provide the most intuitive way for the doctors to learn the patients' condition and for the Centers of Disease Control or the government to learn a region's macro-distribution of diseases. At the same time, it will combine a patient's condition with the macro-distribution of diseases in the region, which he/she stays in, to show the influence of the environment on his/her condition. On a broader scale, this solution will have significant scientific and engineering impact and have potential applications in many other application fields.
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