Projective Algebra and the Calculus of Relations.
Alexander R. BednarekS. M. UlamPublished in: J. Symb. Log. (1978)
Keyphrases
- relation algebra
- algebraic structure
- interval algebra
- relational calculus
- real numbers
- expressive power
- relational algebra
- relational data model
- temporal reasoning
- query language
- algebraic operations
- maximal tractable
- data model
- formal logic
- planar curves
- reconstruction from multiple views
- temporal relations
- spatial relations
- constraint networks
- relational operators
- fuzzy relations
- data sets
- relational model
- semantic relations
- normal form
- temporal information
- first order logic
- natural language
- social networks
- neural network