Keyphrases
- ranked retrieval
- xml documents
- fuzzy sets
- fuzzy logic
- keyword search
- fuzzy rules
- web search
- ranking algorithm
- xml data
- xml databases
- membership functions
- data exchange
- keyword queries
- databases
- markup language
- pairwise comparison
- soft computing
- xml keyword search
- data model
- fuzzy set theory
- fuzzy numbers
- xml schema
- ranking functions
- metadata
- xml format
- ranked list
- link analysis
- multi criteria
- multiple criteria
- xml retrieval
- learning to rank
- semi structured
- object oriented
- search engine
- genetic algorithm