Welcome to my homepage!

I am a Ph.D. candidate at Tongji University. My name is Zhang Zhifei (), and English name is Flexic.
I was born in Rudong County, Jiangsu Province in 1986, which is named "the place of seafood in China". I have been in Shanghai for nearly 9 years since I came to Tongji in Sep. 2004. I received my Bachelor's degree of Computer Science and Technology from Tongji in Jun. 2008 and was recommended as a Ph.D. student exempt from examination. My supervisor is Professor Duoqian Miao.
My research interests include Natural Language Processing and Machine Learning. Now I am working on Opinion Mining and Topic Model. You could contact me via Email.

Recent Updates

[27/11/2013] I gave two lectures about "Variants of RBMs and Auto-Encoders" in our lab. [download]

[24/07/2013] I attended the 5th Chinese Opinion Analysis Evaluation (COAE 2013) which is in conjunction with CCIR 2013 and gave an oral presentation.

[24/07/2013] I attended the 19th China Conference on Information Retrieval (CCIR 2013) and gave an oral presentation.

[01/04/2013] I was awarded the National Graduate Scholarship of China.

[12/25/2012] I was awarded the Scholarship for Excellent Doctoral Student of Tongji University.

[12/18/2012] I attended the 8th International Conference on Advanced Data Mining and Applications (ADMA 2012) and served as a session chair. I gave an oral presentation.

[12/01/2012] I successfully completed the online Web Intelligence and Big data course offered by Gautam Shroff through COURSERA. I earned 81.2%.

[11/18/2012] I attended the 6th Youth Conference of Computational Linguistics (YCCL 2012) and served as a session chair. I gave an oral presentation.

[09/24/2012] I attended the 8th International Conference on Natural Language Processing and Knowledge Engineering (NLP-KE 2012) and gave an oral presentation.

[01/08/2012] I successfully completed the online Machine Learning course offered by Andrew Ng through COURSERA. I earned 100.0%. Certificate

[11/21/2011] I, as a co-author, received the CRSSC-CWI-CGrC'11 Excellent Student Paper Award.

[07/31/2011] I attended the 18th CCF ADL (China Computer Federation, Advanced Disciplines Lectures). The theme is "Frontiers of Information Retrieval". Five domain experts (Susan Dumais, Ricardo Baeza-Yates, Stephen Robertson, Yiming Yang and Chengxiang Zhai) gave lectures.