Exploiting Data Dependencies with Null Values for Ontology Extraction.
Maria AmalfiPublished in: ER (2012)
Keyphrases
- data dependencies
- null values
- relational databases
- normal form
- functional dependencies
- domain knowledge
- databases
- multi valued
- domain ontology
- inclusion dependencies
- update operations
- incomplete information
- information extraction
- knowledge representation
- knowledge base
- semantic information
- domain specific
- integrity constraints
- directed acyclic graph
- database
- semi automatic
- distributed systems
- database technology
- database schema
- relational algebra
- data warehouse