A Bipartite Graph-Based Ranking Approach to Query Subtopics Diversification Focused on Word Embedding Features.
Md Zia UllahMasaki AonoPublished in: IEICE Trans. Inf. Syst. (2016)
Keyphrases
- search result diversification
- co occurrence
- feature extraction
- short list
- vector space
- query processing
- federated search
- n gram
- result set
- graph model
- stop words
- keywords
- lexical features
- retrieval systems
- feature set
- semi supervised
- feature vectors
- learning to rank
- ranking functions
- query specific
- query words
- probabilistic model
- ranking list
- data sources