周俞

通讯地址       广东省深圳市南山区西丽大学城哈工大校区C309
电子邮件        zhouyu.nlp@gmail.com
联系方式        qq: 15421169
 研究方向：
     情感的立场原因发现：人们在做出对某个事件或者客观事物的评价时，往往带有一定的个人立场。在传统的方法中，对于立场的分析往往局限于用户的个性化建模，但是实际上个人的立场也有可能影响某个词语的含义。例如在产品评价中，谈及“信仰”的用户，往往是对于索尼的产品进行了揶揄。这种立场的表达，不仅仅可以用于用户的建模，也可以用于词向量的更新。因此，本项目从这个角度出发，提出了一种词向量的训练方法，同步更新词的表示、用户的表示以及产品评价对象的表示，将其映射到一个统一的特征空间。相关的系统在产品评价的公开测试集上，其性能高于已知最好的系统3.3%，相关工作已投往NLPCC2016.
 Publications：
    1.  Lin Gui, Yu Zhou, Ruifeng Xu, Qin Lu. Sentiment Embedding with Intersubjectivity. NLPCC2016(submitting)
     2.  Lin Gui, Dongyin Wu, Yu Zhou, Qin Lu and Ruifeng Xu. Event-Driven Emotion Cause Extraction with Corpus Construction, in Proceedings of Empirical Methods for Natural Language Processing (EMNLP), 2016. (CCF B, long)
     3.  Yu Zhou, Lin Gui, Ruifeng Xu. A Sequence Level Latent Topic Modeling Method for Sentiment Analysis via CNN
based Diversified RBM. In Proceedings of International Conference on Machine Learning and Cybernetics, 2016.
     4.  Zhaoyu Wang, Ruifeng Xu, Yu Zhou, Microblogging Emtion Classification based on Multi-classifier Integration Strategy, Procceedings of ICMLC 2015, 890-896
     5.  Lin Gui, Li Yuan, Ruifeng Xu*, Bin Liu, Qin Lu, Yu Zhou, Emotion Cause Detection with Linguistic Construction in Chinese Weibo Text, Proceedings of 3rd CCF International Conference on Natural Language Processing and Chinese Computing (NLPCC 2014), Springer CCIS 496, pp. 457-464, Dec.2014, Shenzhen, China
     6.  Qiaoyun Qiu, Ruifeng Xu*, Bin Liu, Ling Gui and Yu Zhou, Credibility Estimation of Stock Comments based on Publisher and Information Uncertainty Evaluation, Springer CCIS 481, pp.400-408, 2014
     7.  Shuwei Wang, Ruifeng Xu*, Bin Liu, Lin Gui, Yu Zhou, Financial Named Entity Recognition based on Conditional Random Fields and Information Entropy, Proceedings of ICMLC 2014. pp.838-843, July 2014

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