A Semi-supervised Topic-Driven Approach for Clustering Textual Answers to Survey Questions.
Hui YangAjay MysoreSharonda WallacePublished in: ADMA (2009)
Keyphrases
- semi supervised
- answer questions
- web snippets
- semi supervised clustering
- clustering algorithm
- question answer
- constrained clustering
- unsupervised learning
- open ended questions
- instance level constraints
- question answering systems
- semi supervised learning
- clustering method
- k means
- multiple choice
- labeled data
- correct answers
- cluster analysis
- hierarchical clustering
- multiple choice questions
- pairwise
- topic discovery
- pairwise constraints
- unlabeled data
- multi document summarization
- data clustering
- topic models
- candidate answers
- semi supervised clustering algorithm
- self organizing maps
- multi view
- active learning
- keywords
- graph construction
- unsupervised clustering
- nonnegative matrix factorization
- natural language questions
- supervised learning
- frequently asked questions
- asked questions