Table 2.
Top 15 keywords and probability value by topic classification

No	Topic 1		Topic 2		Topic 3		Topic 4		Topic 5
	Urabn park expansion (도시공원확충)		History and culture parks (역사문화공원)		Use programs (이용 프로그램)		Zoo event (동물원 사건사고)		Conflicts in the park creation process (공원조성과정갈등)
1	Hangang river (한강)	0.010	History (역사)	0.009	Event (행사)	0.010	Seoul grand park (서울대공원)	0.020	National park (국립공원)	0.011
2	Citizen (주민)	0.009	President (대통령)	0.007	Experience (체험)	0.010	Animal (동물)	0.017	Citizen (주민)	0.010
3	Construction (공사)	0.007	Korea (한국)	0.006	Show (공연)	0.010	Zoo (동물원)	0.013	Site (부지)	0.009
4	Hangang park (한강공원)	0.006	Seoul station (서울역)	0.006	Program (프로그램)	0.009	Children’s grand park (어린이대공원)	0.010	Government (정부)	0.009
5	City (도시)	0.006	Peace (평화)	0.006	Children (어린이)	0.008	Tiger (호랑이)	0.007	Designation (지정)	0.008
6	Road (도로)	0.006	Overpass (고가)	0.005	Festival (축제)	0.007	Police (경찰)	0.006	Development (개발)	0.007
7	Parking lot (주차장)	0.005	Movement (운동)	0.005	Family (가족)	0.007	Grand park (대공원)	0.006	Yongsan park (용산공원)	0.007
8	Tree (나무)	0.005	Senior (노인)	0.004	Free (무료)	0.005	Discovery (발견)	0.006	Memorial park (추모공원)	0.007
9	District (지구)	0.005	Democracy (민주)	0.004	Classroom (교실)	0.005	Accident (사고)	0.006	Yongsan (용산)	0.006
10	Bike (자전거)	0.005	Mr. (선생)	0.004	Hour (시간)	0.005	Lion (사자)	0.005	Build (건립)	0.006
11	Section (구간)	0.005	Topgal park (탑골공원)	0.004	Participation (참여)	0.005	Zookeeper (사육사)	0.005	Decision (결정)	0.005
12	Yeouido (여의도)	0.005	Period (시대)	0.004	Youth (청소년)	0.004	Safety (안전)	0.005	Mayor (시장)	0.005
13	Eco park (생태공원)	0.005	Government (정부)	0.004	World (세계)	0.004	Number of animals (마리)	0.005	Plan (방안)	0.004
14	Greenery (녹지)	0.004	Jung-gu (중구)	0.004	Compitition (대회)	0.004	Confirmation (확인)	0.004	Necessary (필요)	0.004
15	Plaza (광장)	0.004	World (세계)	0.004	Attend (참가)	0.004	Result (결과)	0.004	Urban park (도시공원)	0.004