# Domain relevance of terminology

• domain relevance ($DR$) - the conditional probability of a term to appear in one domain $(P(t|D_k)$ divided by the maximum of this probability $DR_{t,k} = P(t|D_k) / max P(t|D_j)$
• domain consensus ($DC$) - which measures the distributed use of the term in a domain $D_k$: $DC_{t,k} = \sum_{d \in D_k}( P_t(d) log( 1/P_t(d))$