Table 4. Key words in Seoul forest (Top 20)

Word	Cen.	Word	Cen.
Stroll (산책)	0.1715	Picnic (피크닉)	0.0474
Forest (숲)	0.1387	Flower (꽃)	0.0401
Family (가족)	0.1022	Shade (그늘)	0.0401
Child (아이)	0.1022	Air (공기)	0.0365
Deer (사슴)	0.0985	Animal (동물)	0.0365
Bicycle (자전거)	0.0985	Butterfly garden (나비정원)	0.0365
Playground (놀이터)	0.0766	Nature (자연)	0.0328
Diversity (다양)	0.073	Weekend (주말)	0.0328
Tree (나무)	0.0657	Photo (사진)	0.0328
Parking (주차)	0.0547	Cafe (카페)	0.0328

Cen.: Degree centrality.