Table 1. Summary of term measures, their approaches, and their techniques.

Measure	Approach	Techniques
Resnik [8]	Node-based	MICA
Lin [13]	Node-based	MICA
Jiang and Conrath [14]	Node-based	MICA
GraSM [9]	Node-based	DCA
Schlicker et al. [16]	Node-based	MICA
Wu et al. [22]	Edge-based	Shared path
Wu et al. [23]	Edge-based	Shared path; distance
Bodenreider et al. [17]	Node-based	Shared annotations
Othman et al. [11]	Hybrid	IC/depth/number of children; distance
Wang et al. [25]	Hybrid	Shared ancestors
Riensche et al. [18]	Node-based	IC/MICA; shared annotations
Yu et al. [20]	Edge-based	Shared path
Cheng et al. [21]	Edge-based	Shared path
Pozo et al. [24]	Edge-based	Shared path