id	sid	eid	entity	type
ajst-6861	1	1	academic journal of science and technology issn	ORG
ajst-6861	1	2	2771-3032	CARDINAL
ajst-6861	2	1	5	CARDINAL
ajst-6861	2	2	2	CARDINAL
ajst-6861	2	3	2023 183	CARDINAL
ajst-6861	3	1	gis	ORG
ajst-6861	3	2	yuyan liu1	PERSON
ajst-6861	3	3	2	DATE
ajst-6861	3	4	yanliang wu1,	PERSON
ajst-6861	3	5	2	DATE
ajst-6861	3	6	2	DATE
ajst-6861	3	7	wang1	PRODUCT
ajst-6861	3	8	2	CARDINAL
ajst-6861	3	9	wang1	PERSON
ajst-6861	3	10	2	DATE
ajst-6861	3	11	yu cui1	PERSON
ajst-6861	3	12	2	DATE
ajst-6861	3	13	2 1school	CARDINAL
ajst-6861	3	14	north china institute of aerospace engineering	ORG
ajst-6861	3	15	langfang 065000	ORG
ajst-6861	3	16	2hebei	CARDINAL
ajst-6861	3	17	langfang 065000	ORG
ajst-6861	3	18	china	GPE
ajst-6861	3	19	china	GPE
ajst-6861	4	1	gis	ORG
ajst-6861	5	1	gis	ORG
ajst-6861	5	2	gis	ORG
ajst-6861	6	1	3d	CARDINAL
ajst-6861	6	2	gis	ORG
ajst-6861	6	3	gis	ORG
ajst-6861	7	1	gis	ORG
ajst-6861	7	2	smart city	GPE
ajst-6861	7	3	gis application	ORG
ajst-6861	8	1	1	CARDINAL
ajst-6861	8	2	china	GPE
ajst-6861	9	1	gis	ORG
ajst-6861	10	1	gis	ORG
ajst-6861	11	1	china	GPE
ajst-6861	11	2	gis	ORG
ajst-6861	12	1	2	CARDINAL
ajst-6861	12	2	gis	ORG
ajst-6861	12	3	1)application	CARDINAL
ajst-6861	12	4	chinese	NORP
ajst-6861	12	5	chinese	NORP
ajst-6861	13	1	recent years	DATE
ajst-6861	14	1	1	CARDINAL
ajst-6861	15	1	today	DATE
ajst-6861	16	1	gis	ORG
ajst-6861	17	1	gis	ORG
ajst-6861	19	1	gis	ORG
ajst-6861	21	1	gis	ORG
ajst-6861	22	1	2)application	CARDINAL
ajst-6861	22	2	gis	ORG
ajst-6861	23	1	gis	ORG
ajst-6861	25	1	gis	ORG
ajst-6861	26	1	gis	ORG
ajst-6861	27	1	three	CARDINAL
ajst-6861	27	2	first	ORDINAL
ajst-6861	28	1	secondly	ORDINAL
ajst-6861	29	1	third	ORDINAL
ajst-6861	29	2	184	CARDINAL
ajst-6861	31	1	2	CARDINAL
ajst-6861	32	1	3	CARDINAL
ajst-6861	35	1	gis	PERSON
ajst-6861	36	1	gis	ORG
ajst-6861	37	1	gis	ORG
ajst-6861	39	1	4	CARDINAL
ajst-6861	39	2	gis	ORG
ajst-6861	39	3	china	GPE
ajst-6861	39	4	the 1980s	DATE
ajst-6861	40	1	the 1990s	DATE
ajst-6861	40	2	china	GPE
ajst-6861	41	1	the urban planning department	ORG
ajst-6861	43	1	the planning management department	ORG
ajst-6861	44	1	gis	ORG
ajst-6861	44	2	four	CARDINAL
ajst-6861	44	3	first	ORDINAL
ajst-6861	45	1	gis	ORG
ajst-6861	46	1	3	CARDINAL
ajst-6861	47	1	second	ORDINAL
ajst-6861	48	1	gis	ORG
ajst-6861	49	1	third	ORDINAL
ajst-6861	50	1	gis	ORG
ajst-6861	51	1	fourth	ORDINAL
ajst-6861	52	1	gis	ORG
ajst-6861	53	1	3	CARDINAL
ajst-6861	53	2	gis	ORG
ajst-6861	53	3	1	CARDINAL
ajst-6861	53	4	3d	CARDINAL
ajst-6861	53	5	gis	ORG
ajst-6861	53	6	gis	ORG
ajst-6861	53	7	3d	CARDINAL
ajst-6861	54	1	two	CARDINAL
ajst-6861	55	1	two	CARDINAL
ajst-6861	55	2	gis	ORG
ajst-6861	55	3	two	CARDINAL
ajst-6861	56	1	three	CARDINAL
ajst-6861	57	1	3d	CARDINAL
ajst-6861	57	2	gis	PERSON
ajst-6861	57	3	3d gis	QUANTITY
ajst-6861	59	1	gis	ORG
ajst-6861	60	1	4	CARDINAL
ajst-6861	62	1	3d	CARDINAL
ajst-6861	62	2	gis	PRODUCT
ajst-6861	62	3	3d	CARDINAL
ajst-6861	62	4	gis	PERSON
ajst-6861	63	1	3d	CARDINAL
ajst-6861	63	2	gis	PRODUCT
ajst-6861	63	3	gis 3d	ORG
ajst-6861	63	4	3d	CARDINAL
ajst-6861	63	5	3d	CARDINAL
ajst-6861	63	6	gis	PRODUCT
ajst-6861	63	7	3d	CARDINAL
ajst-6861	64	1	3d	CARDINAL
ajst-6861	64	2	gis	ORG
ajst-6861	64	3	china	GPE
ajst-6861	65	1	2	CARDINAL
ajst-6861	65	2	gis	ORG
ajst-6861	65	3	gis	ORG
ajst-6861	66	1	gis	ORG
ajst-6861	66	2	185	CARDINAL
ajst-6861	68	1	threedimensional geographic	ORG
ajst-6861	68	2	two	CARDINAL
ajst-6861	68	3	three	CARDINAL
ajst-6861	69	1	3d	CARDINAL
ajst-6861	71	1	gis	ORG
ajst-6861	72	1	gis	ORG
ajst-6861	73	1	two	CARDINAL
ajst-6861	74	1	gis	ORG
ajst-6861	75	1	5	CARDINAL
ajst-6861	76	1	3	CARDINAL
ajst-6861	76	2	gis	ORG
ajst-6861	78	1	gis	ORG
ajst-6861	79	1	gis	ORG
ajst-6861	79	2	third	ORDINAL
ajst-6861	82	1	gis	ORG
ajst-6861	87	1	6	CARDINAL
ajst-6861	92	1	4	CARDINAL
ajst-6861	92	2	gis	ORG
ajst-6861	92	3	today	DATE
ajst-6861	94	1	today	DATE
ajst-6861	94	2	gis application	ORG
ajst-6861	95	1	gis	NORP
ajst-6861	95	2	china	GPE
ajst-6861	95	3	gis	PRODUCT
ajst-6861	96	1	china	GPE
ajst-6861	97	1	the past decade	DATE
ajst-6861	98	1	recent years	DATE
ajst-6861	100	1	today	DATE
ajst-6861	100	2	china	GPE
ajst-6861	101	1	gis	ORG
ajst-6861	102	1	7	CARDINAL
ajst-6861	103	1	5	CARDINAL
ajst-6861	103	2	gis	ORG
ajst-6861	103	3	gis	ORG
ajst-6861	103	4	186	CARDINAL
ajst-6861	104	1	gis	ORG
ajst-6861	104	2	gis	ORG
ajst-6861	105	1	gis	ORG
ajst-6861	105	2	gis	ORG
ajst-6861	106	1	gis	ORG
ajst-6861	106	2	china	GPE
ajst-6861	107	1	gis	ORG
ajst-6861	107	2	gis	ORG
ajst-6861	108	1	gis	ORG
ajst-6861	108	2	gis	ORG
ajst-6861	109	1	gis	ORG
ajst-6861	109	2	gis	ORG
ajst-6861	110	1	gis	ORG
ajst-6861	110	2	china	GPE
ajst-6861	111	1	hebei association of science	ORG
ajst-6861	111	2	north china institute of aerospace	ORG
ajst-6861	111	3	jy-2021-31	DATE
ajst-6861	111	4	hebei province	GPE
ajst-6861	111	5	hbjmrh202108	PERSON
ajst-6861	112	1	1	CARDINAL
ajst-6861	112	2	heng zhang	PERSON
ajst-6861	112	3	yi cheng	PERSON
ajst-6861	112	4	xiaoli wang	PERSON
ajst-6861	112	5	gis	PRODUCT
ajst-6861	114	1	71-76	DATE
ajst-6861	115	1	2	CARDINAL
ajst-6861	115	2	jin du	PERSON
ajst-6861	115	3	gis	ORG
ajst-6861	116	1	3	CARDINAL
ajst-6861	116	2	yayun liu	PERSON
ajst-6861	116	3	xiping li	PERSON
ajst-6861	116	4	rong liu	PERSON
ajst-6861	116	5	gis	ORG
ajst-6861	118	1	the second half of the month	DATE
ajst-6861	118	2	2014	DATE
ajst-6861	118	3	12):79-80	DATE
ajst-6861	119	1	4	CARDINAL
ajst-6861	119	2	gis 3d	ORG
ajst-6861	121	1	2020	DATE
ajst-6861	121	2	08):94-95	CARDINAL
ajst-6861	122	1	5	CARDINAL
ajst-6861	122	2	gis	ORG
ajst-6861	125	1	6	CARDINAL
ajst-6861	125	2	zheng	PERSON
ajst-6861	127	1	2019,20(5	CARDINAL
ajst-6861	127	2	190	CARDINAL
ajst-6861	128	1	7	CARDINAL
ajst-6861	128	2	baoxiao han	PERSON
ajst-6861	128	3	yongfa yang	PERSON
ajst-6861	128	4	gis industry development	ORG
ajst-6861	129	1	beijing	GPE
ajst-6861	129	2	2010	DATE
ajst-6861	129	3	2):1-3	DATE
ajst-6861	129	4	12	DATE