Keyphrases
- patent retrieval
- test collection
- information retrieval
- patent search
- frequent patterns
- patent documents
- clef ip
- knowledge discovery
- text mining
- mining algorithm
- ir evaluation
- intellectual property
- evaluation framework
- data mining algorithms
- itemsets
- digital libraries
- data structure
- machine learning
- evaluation metrics
- query translation
- sequential patterns
- web mining
- prior art
- web retrieval
- social networks
- key phrase extraction