relaatioryhmiin
Relaatioryhmä, in Finnish, translates roughly to “relation group.” The plural illative form relaatioryhmiin refers to the concept of grouping elements into sets according to a defined relation (or family of relations). In mathematics, computer science, and education, relaatioryhmiin describes a way to organize data or objects by their relational connections rather than by simple attributes alone. The term is used especially in Finnish-language texts to discuss how different relations can partition or structure a domain.
Formally, a binary relation on a set X is a subset of X × X. When a
Examples include grouping people by mutual friendship relations, which yields social circles; organizing elements by a
See also: relation, equivalence relation, graph theory, clustering, partition, relation algebra, database schema.