Keyphrases
- frequent query patterns
- xml queries
- frequent xml query patterns
- query patterns
- incremental mining
- xml documents
- xml data
- xml databases
- mining algorithm
- data exchange
- semistructured data
- sequential patterns
- frequent sequences
- xml schema
- data mining
- web mining
- relational databases
- association rule mining
- pattern mining
- relational data
- text mining
- knowledge discovery
- web data
- databases
- efficient incremental
- metadata
- sequential pattern mining
- frequent itemset mining
- xpath queries
- information extraction
- database
- user queries
- search engine
- frequent itemsets
- data integration