Graph-of-word and TW-IDF: new approach to ad hoc IR.
François RousseauMichalis VazirgiannisPublished in: CIKM (2013)
Keyphrases
- term weighting
- information retrieval
- inverse document frequency
- term frequency
- text retrieval
- text categorization
- graph representation
- co occurrence
- graph theory
- tf idf
- retrieval systems
- graph model
- word recognition
- random walk
- retrieval model
- information retrieval systems
- word sense disambiguation
- bipartite graph
- graph structure
- language modeling
- vector space model
- keywords
- weighted graph
- graph matching
- directed graph
- n gram
- structured data
- weighting schemes
- k means
- sparck jones