Improving Difficult Queries by Leveraging Clusters in Term Graph.
Rajul AnandAlexander KotovPublished in: AIRS (2015)
Keyphrases
- graph clustering
- query processing
- graph model
- data objects
- clustering algorithm
- random walk
- query terms
- weighted graph
- query language
- query evaluation
- document identifiers
- proximity graph
- reachability queries
- database
- graph representation
- response time
- database queries
- graph theory
- directed acyclic graph
- cluster analysis
- graph structure
- bipartite graph
- user queries
- web search engines
- query expansion
- hierarchical clustering
- data clustering
- data distribution
- relevance model
- retrieval systems
- query graph