Paper: A Hierarchical Entity-Based Approach to Structuralize User Generated Content in Social Media: A Case of Yahoo! Answers

ACL ID D13-1159
Title A Hierarchical Entity-Based Approach to Structuralize User Generated Content in Social Media: A Case of Yahoo! Answers
Venue Conference on Empirical Methods in Natural Language Processing
Session Main Conference
Year 2013
Authors

Social media like forums and microblogs have accumulated a huge amount of user generated content (UGC) containing human knowledge. Currently, most of UGC is listed as a whole or in pre-defined categories. This ?list-based? approach is simple, but hinders users from browsing and learning knowledge of certain topics effectively. To address this problem, we propose a hierarchical entity-based approach for structuralizing UGC in social media. By using a large-scale entity repository, we design a three-step framework to organize UGC in a novel hierarchical structure called ?cluster entity tree (CET)?. With Yahoo! Answers as a test case, we conduct experiments and the results show the effectiveness of our frame- work in constructing CET. We further evaluate the performance of CET on UGC organiza...