题目：The Application of Sentiment Analysis

报告人：Dr. Ning Yu

时间：2013年6月5日(周三） 9：00－11：00

地点：南开大学商学院大楼721室

主办：南开大学商学院信息资源管理系

关于于宁博士：

“I am an assistant professor of the School of Library and Information Science at University of Kentucky. I got my PhD in Information Science at Indiana University. My Ph.D.minor is Cognitive Science with an emphasis on Computational Linguistics.
>
>My research interests, broadly stated, are information retrieval andWeb mining, which are motivated by the desire of enabling people without advanced search techniques to find comprehensive and relevant information they need, especially from the massive World Wide Web. Tobe more specific, I am interested in investigating the feasibility andefficiency of automatic approaches, machine learning and shallow NLPincluded, in real-world Web mining applications. As a visual person/learner myself, I am also interested in information visualization, which I believe is one powerful avenue for organizing
>and displaying retrieval results as well as revealing novel aspects
>and latent relations of large data collection.
>
>My dissertation has focused on resolving the dilemma of opinion
>detection between the need of large labeled data and the lack of
>labeled data by applying Semi-Supervised Learning (i.e., SSL, a group
>of machine-learning algorithms whose goal is to learn from both
>labeled and unlabeled data by automatically producing more labeled
>data).
>
>Motivated by applying technology to the greater good, I am currently
>working on a computational approach for understanding and preventing
>suicide using Web-based evidence. Professor Julie Cerel at UK social
>work, who has years of experience in suicide research is a very
>helpful mentor for me."