Bitmap-Tree Indexing for Set Operations on Free Text.
Ilias NitsosGeorgios EvangelidisDimitrios DervosPublished in: ICDE (2004)
Keyphrases
- free text
- information extraction
- controlled vocabulary
- natural language processing
- structured data
- tree structure
- computer assisted assessment
- semi structured
- semi structured documents
- indexing structure
- plain text
- medical records
- inverted index
- information retrieval
- database
- expert systems
- automatic indexing
- clinical guidelines
- index structure
- multimedia databases
- r tree
- association rules
- artificial intelligence
- relational databases
- privacy preserving