Keyphrases
- information retrieval
- metadata
- high quality
- document collections
- document clustering
- document retrieval
- data quality
- keywords
- web documents
- legal documents
- structured documents
- xml documents
- expert systems
- information retrieval systems
- web search
- semantic information
- text documents
- vector space
- knowledge base
- free text
- quality assessment
- knowledge structures
- neural network
- database