Co-clustering Document-term Matrices by Direct Maximization of Graph Modularity.
Melissa AilemFrançois RoleMohamed NadifPublished in: CIKM (2015)
Keyphrases
- graph model
- document representation
- data matrix
- document clustering
- term frequency
- information retrieval
- rows and columns
- information retrieval systems
- graph clustering
- query terms
- text clustering
- graph theory
- clustering algorithm
- information theoretic
- document retrieval
- document images
- weighted graph
- relevant documents
- document identifiers
- communities in social networks
- graph representation
- document collections
- graph structure
- text documents
- community detection
- structured data
- categorical data
- web documents
- bag of words
- random walk
- retrieval systems
- document type
- missing values
- tf idf
- text classification
- pairwise
- objective function
- nonnegative matrix tri factorization