Jingchi Jiang

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Named entity recognition of biomedical text is the shared task 1b of the 2015 CLEF eHealth evaluation lab, which focuses on making biomedical text easier to understand for patients and clinical workers. In this paper, we propose a novel method to recognize clinical entities based on conditional random fields (CRF). The biomedical texts are split into(More)
Retweet has become one of the most prominent feature on social networks and an important mean for secondary content promotion. Most existing investigations of retweet behaviors on social networks are conducted based on empirical studies or information diffusion models (such as stochastic process or cascading model). To the best of our knowledge, such a(More)
The TREC 2015 Clinical Decision Support track is composed of two subtasks, task A and task B. Similar to 2014 [1] , the participants need to answer 30 clinical questions from patient cases for each task. According to the three types of clinical question: diagnosis, test and treatment, these tasks are to retrieve relevant literatures for helping clinicians(More)
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