Keyphrases
High-order
100%
Information Retrieval
100%
Word Association
100%
Information Geometry
100%
High-order Dependency
100%
NP-hard
25%
Lower Order
25%
Identification Method
25%
Retrieval Model
25%
Retrieval Task
25%
Formal Definition
25%
Query Expansion
25%
Text Classification
25%
Word Patterns
25%
Number of Words
25%
Text Retrieval
25%
Order Dependencies
25%
Semantic Entity
25%
Contextual Association
25%
Random Coincidence
25%
Bag-of-words Model
25%
Computer Science
Word Association
100%
Information Retrieval
100%
Query Expansion
25%
Order Dependency
25%
retrieval model
25%
Text Classification
25%
Formal Definition
25%
Earth and Planetary Sciences
Information Retrieval
100%