Keyphrases
- digital libraries
- response time
- query processing
- keywords
- database
- user queries
- metadata
- relevance feedback
- query execution
- database queries
- query evaluation
- range queries
- electronic commerce
- technology advances
- advanced technology
- cultural heritage
- query expansion
- user interaction
- data sources
- federated search
- resource discovery
- complex queries
- retrieval method
- image database
- search queries
- peer to peer
- web search
- digital objects
- efficient retrieval
- data objects
- document image analysis
- user defined
- data structure