Computer science
Relational model
Set (abstract data type)
Relational calculus
Statistical relational learning
Relational database
Context (archaeology)
Binary relation
Event (particle physics)
Class (philosophy)
Exploit
Data science
Empirical research
Extension (predicate logic)
Data mining
Theoretical computer science
Artificial intelligence
Mathematics
Paleontology
Physics
Computer security
Discrete mathematics
Quantum mechanics
Biology
Programming language
Statistics