Proximity-Based Good Turing Discounting and Kernel Functions for Pseudo-Relevance Feedback.
Ilyes KhennakHabiba DriasPublished in: Int. J. Inf. Retr. Res. (2017)
Keyphrases
- kernel function
- pseudo relevance feedback
- query expansion
- retrieval effectiveness
- document retrieval
- support vector
- language model
- kernel methods
- feature space
- relevant documents
- support vector machine
- relevance feedback
- average precision
- high dimensional
- information retrieval
- relevance model
- information retrieval systems
- data sets
- query terms
- feature set
- term frequency
- test collection
- probabilistic model
- digital libraries
- representer theorem