id	sid	eid	entity	type
cana-1921	1	1	1074	CARDINAL
cana-1921	1	2	32	CARDINAL
cana-1921	1	3	3 (	CARDINAL
cana-1921	1	4	84	CARDINAL
cana-1921	1	5	senthilkumar p1*	PERSON
cana-1921	1	6	vijayabalan d1	PERSON
cana-1921	1	7	kumar jothi2	PERSON
cana-1921	1	8	vel tech high tech	ORG
cana-1921	1	9	dr.rangarajan	GPE
cana-1921	1	10	dr.sakunthala	GPE
cana-1921	1	11	chennai600062	PERSON
cana-1921	2	1	2department	TIME
cana-1921	2	2	vel tech	ORG
cana-1921	2	3	dr.sagunthala r&d institute of science and technology	ORG
cana-1921	3	1	3department	CARDINAL
cana-1921	3	2	srinivasan university	ORG
cana-1921	4	1	23-07-2024	CARDINAL
cana-1921	4	2	10-09-2024	CARDINAL
cana-1921	4	3	30-09-2024	CARDINAL
cana-1921	5	1	two	CARDINAL
cana-1921	6	1	two	CARDINAL
cana-1921	8	1	weibull distribution	ORG
cana-1921	9	1	1	CARDINAL
cana-1921	10	1	lifetime	DATE
cana-1921	15	1	9	CARDINAL
cana-1921	15	2	1965	DATE
cana-1921	17	1	chen	PERSON
cana-1921	17	2	c.h	GPE
cana-1921	17	3	3	CARDINAL
cana-1921	17	4	chen	PERSON
cana-1921	17	5	s.m.	GPE
cana-1921	17	6	4	CARDINAL
cana-1921	17	7	cai et al	PERSON
cana-1921	18	1	6	CARDINAL
cana-1921	19	1	one	CARDINAL
cana-1921	23	1	6	CARDINAL
cana-1921	24	1	chen s.m	PERSON
cana-1921	25	1	4	CARDINAL
cana-1921	26	1	zdenek karpisek	PERSON
cana-1921	26	2	10	CARDINAL
cana-1921	28	1	8	CARDINAL
cana-1921	29	1	0.5	CARDINAL
cana-1921	30	1	0.5	CARDINAL
cana-1921	30	2	1074	CARDINAL
cana-1921	30	3	32	CARDINAL
cana-1921	30	4	3 (	CARDINAL
cana-1921	30	5	85	CARDINAL
cana-1921	31	1	0.5	CARDINAL
cana-1921	32	1	1	CARDINAL
cana-1921	32	2	2	CARDINAL
cana-1921	33	1	2	CARDINAL
cana-1921	33	2	weibull distribution	ORG
cana-1921	33	3	section 3	DATE
cana-1921	34	1	section 4	LAW
cana-1921	35	1	section 5	LAW
cana-1921	36	1	section 6	LAW
cana-1921	37	1	lld 	ORG
cana-1921	37	2	wd	GPE
cana-1921	37	3	wd	ORG
cana-1921	37	4	sx	GPE
cana-1921	37	5	rd	GPE
cana-1921	38	1	rd	GPE
cana-1921	39	1	[ h sxs survival value	PERSON
cana-1921	39	2	[ h sxs	PERSON
cana-1921	39	3	2	CARDINAL
cana-1921	39	4	2.1	CARDINAL
cana-1921	39	5	sx	ORG
cana-1921	41	1	1074	CARDINAL
cana-1921	41	2	32	CARDINAL
cana-1921	41	3	3 (	CARDINAL
cana-1921	41	4	86	CARDINAL
cana-1921	41	5		ORG
cana-1921	41	6		ORG
cana-1921	41	7	h s h s h	ORG
cana-1921	42	1	2.2	CARDINAL
cana-1921	42	2	 forallss	GPE
cana-1921	42	3	 h s	ORG
cana-1921	45	1		DATE
cana-1921	45	2	h s h s s d d f −=	ORG
cana-1921	45	3		DATE
cana-1921	45	4	h s	ORG
cana-1921	47	1	1	CARDINAL
cana-1921	48	1	1exp	DATE
cana-1921	48	2		GPE
cana-1921	48	3	dhs h s h s  	ORG
cana-1921	48	4		PERSON
cana-1921	48	5		NORP
cana-1921	48	6	2.3	CARDINAL
cana-1921	50	1	2.4	CARDINAL
cana-1921	53	1	2.5	CARDINAL
cana-1921	54	1	zero	CARDINAL
cana-1921	54	2		DATE
cana-1921	55	1	h s h s	ORG
cana-1921	57	1	1074	CARDINAL
cana-1921	57	2	32	CARDINAL
cana-1921	57	3	3 (	CARDINAL
cana-1921	57	4	87	CARDINAL
cana-1921	58	1		ORG
cana-1921	58	2		GPE
cana-1921	61	1	10	CARDINAL
cana-1921	62	1		DATE
cana-1921	62	2	dff h s h s	ORG
cana-1921	63	1		DATE
cana-1921	68	1	1 2.7	CARDINAL
cana-1921	68	2	log -logistic	ORG
cana-1921	68	3	0	CARDINAL
cana-1921	72	1		GPE
cana-1921	72	2	1 1	DATE
cana-1921	72	3		GPE
cana-1921	72	4		GPE
cana-1921	72	5	1	CARDINAL
cana-1921	73	1	1,0,0	CARDINAL
cana-1921	73	2	1	CARDINAL
cana-1921	73	3	2 1	DATE
cana-1921	73	4	 	GPE
cana-1921	74	1		GPE
cana-1921	74	2		GPE
cana-1921	75	1		NORP
cana-1921	75	2		GPE
cana-1921	76	1		GPE
cana-1921	76	2		GPE
cana-1921	77	1		DATE
cana-1921	77	2	 	PERSON
cana-1921	77	3	log -logistic distribution	ORG
cana-1921	77	4	1 1	CARDINAL
cana-1921	77	5		PERSON
cana-1921	77	6		NORP
cana-1921	77	7		GPE
cana-1921	77	8	log -logistic distribution	ORG
cana-1921	77	9	 	PERSON
cana-1921	77	10		DATE
cana-1921	77	11		GPE
cana-1921	77	12		GPE
cana-1921	77	13		GPE
cana-1921	77	14	1	CARDINAL
cana-1921	77	15	1	CARDINAL
cana-1921	77	16	1074	CARDINAL
cana-1921	77	17	32	CARDINAL
cana-1921	77	18	3 (	CARDINAL
cana-1921	77	19	88	CARDINAL
cana-1921	77	20	2.8	CARDINAL
cana-1921	77	21	0	DATE
cana-1921	77	22	0	CARDINAL
cana-1921	77	23	1	CARDINAL
cana-1921	77	24	 ef	PERSON
cana-1921	77	25	two	CARDINAL
cana-1921	77	26	1	CARDINAL
cana-1921	77	27	h s h s	ORG
cana-1921	77	28	log -logistic distribution	ORG
cana-1921	77	29	0,0	CARDINAL
cana-1921	80	1	log -logistic distribution	ORG
cana-1921	80	2	0,0	CARDINAL
cana-1921	80	3	2.9	CARDINAL
cana-1921	80	4	the weibull distribution's	ORG
cana-1921	80	5	two	CARDINAL
cana-1921	80	6		PERSON
cana-1921	80	7	0	DATE
cana-1921	80	8	0	PERSON
cana-1921	80	9	=  	PERSON
cana-1921	80	10	1  	DATE
cana-1921	80	11	the weibull distribution's	ORG
cana-1921	80	12		DATE
cana-1921	82	1	1	CARDINAL
cana-1921	83	1	two	CARDINAL
cana-1921	83	2		DATE
cana-1921	83	3	h s	ORG
cana-1921	83	4	two	CARDINAL
cana-1921	83	5	−  	PERSON
cana-1921	83	6	3	CARDINAL
cana-1921	84	1	3.1	CARDINAL
cana-1921	84	2		PERSON
cana-1921	84	3		ORG
cana-1921	90	1	1074	CARDINAL
cana-1921	90	2	32	CARDINAL
cana-1921	90	3	3 (	CARDINAL
cana-1921	90	4	89	CARDINAL
cana-1921	91	1	h s h sl xsinfxs 	ORG
cana-1921	92	1	h s h	ORG
cana-1921	93	1		PERSON
cana-1921	93	2		NORP
cana-1921	93	3		GPE
cana-1921	93	4		ORG
cana-1921	103	1	h s h	ORG
cana-1921	104	1	xhinfxh	NORP
cana-1921	104	2		GPE
cana-1921	106	1	h s h su xhsupxh    	ORG
cana-1921	106	2		DATE
cana-1921	106	3		GPE
cana-1921	106	4		GPE
cana-1921	106	5		NORP
cana-1921	106	6	 	GPE
cana-1921	106	7		GPE
cana-1921	106	8		GPE
cana-1921	108	1	1	CARDINAL
cana-1921	108	2	1	CARDINAL
cana-1921	108	3	3.2	CARDINAL
cana-1921	108	4	0	CARDINAL
cana-1921	108	5	0	DATE
cana-1921	108	6	1	CARDINAL
cana-1921	108	7	 ef	PERSON
cana-1921	108	8	h s	ORG
cana-1921	109	1	two	CARDINAL
cana-1921	110	1	1	CARDINAL
cana-1921	110	2	tetqtf	PERSON
cana-1921	110	3	fed	ORG
cana-1921	111	1		ORG
cana-1921	117	1	h s h sl xsinfxs 	ORG
cana-1921	118	1	h s h su	ORG
cana-1921	118	2	0,0	CARDINAL
cana-1921	119	1		ORG
cana-1921	126	1	1074	CARDINAL
cana-1921	126	2	32	CARDINAL
cana-1921	126	3	3 (	CARDINAL
cana-1921	126	4	90	CARDINAL
cana-1921	127	1	h s h	ORG
cana-1921	127	2	xhinfxh	NORP
cana-1921	127	3		GPE
cana-1921	128	1	h s h su xhsupxh	ORG
cana-1921	128	2	0,0	CARDINAL
cana-1921	128	3	3.3	CARDINAL
cana-1921	128	4	 into	DATE
cana-1921	128	5		DATE
cana-1921	128	6	weibull distribution	ORG
cana-1921	135	1		GPE
cana-1921	136	1		GPE
cana-1921	137	1		ORG
cana-1921	138	1		DATE
cana-1921	138	2	1	CARDINAL
cana-1921	138	3	weibull distribution	ORG
cana-1921	138	4		ORG
cana-1921	145	1		ORG
cana-1921	147	1		GPE
cana-1921	147	2		GPE
cana-1921	148	1		DATE
cana-1921	148	2	exs	PERSON
cana-1921	148	3		ORG
cana-1921	158	1	xhinfxh	NORP
cana-1921	158	2		GPE
cana-1921	159	1	1	CARDINAL
cana-1921	160	1		GPE
cana-1921	160	2		GPE
cana-1921	161	1		DATE
cana-1921	161	2		DATE
cana-1921	161	3	exh h s	ORG
cana-1921	161	4	12hours	CARDINAL
cana-1921	161	5	07.30	CARDINAL
cana-1921	161	6	19.30 hours	TIME
cana-1921	161	7	at least two weeks	DATE
cana-1921	162	1	1074	CARDINAL
cana-1921	162	2	32	CARDINAL
cana-1921	162	3	3 (	CARDINAL
cana-1921	162	4	91	CARDINAL
cana-1921	162	5	daily	DATE
cana-1921	163	1	early spring	DATE
cana-1921	164	1	5	CARDINAL
cana-1921	166	1	4.1	CARDINAL
cana-1921	167	1	two	CARDINAL
cana-1921	169	1	4,519.3,5.3[=	CARDINAL
cana-1921	171	1	4.1	CARDINAL
cana-1921	171	2	fed	ORG
cana-1921	172	1	0.99981986 1 1 0.99999999 1 1 0.1	MONEY
cana-1921	174	1	0.99999777	MONEY
cana-1921	175	1	0.9	CARDINAL
cana-1921	176	1	0.979721037	PRODUCT
cana-1921	176	2	4.2	CARDINAL
cana-1921	176	3	fed	ORG
cana-1921	176	4	4	CARDINAL
cana-1921	176	5	1074	CARDINAL
cana-1921	176	6	32	CARDINAL
cana-1921	176	7	3 (	CARDINAL
cana-1921	176	8	92	CARDINAL
cana-1921	176	9	9.036993075	MONEY
cana-1921	176	10	0.6 0.00355434	CARDINAL
cana-1921	176	11	0.00035026	CARDINAL
cana-1921	176	12	0.7	CARDINAL
cana-1921	176	13	0.051391	MONEY
cana-1921	176	14	0.9	CARDINAL
cana-1921	176	15	0.04277145 0.08696 13.79153303	MONEY
cana-1921	176	16	4.2	CARDINAL
cana-1921	176	17	4	CARDINAL
cana-1921	176	18	3	CARDINAL
cana-1921	176	19	4.4	CARDINAL
cana-1921	176	20	4	CARDINAL
cana-1921	176	21	5	CARDINAL
cana-1921	176	22	5	CARDINAL
cana-1921	179	1	0h	CARDINAL
cana-1921	180	1	0h	CARDINAL
cana-1921	180	2	0	CARDINAL
cana-1921	180	3	210	CARDINAL
cana-1921	180	4	1inf	CARDINAL
cana-1921	180	5	211	CARDINAL
cana-1921	180	6	1074	CARDINAL
cana-1921	181	1	20--	DATE
cana-1921	181	2	93	CARDINAL
cana-1921	182	1		PERSON
cana-1921	182	2		NORP
cana-1921	184	1	11	CARDINAL
cana-1921	185	1		PERSON
cana-1921	185	2		NORP
cana-1921	185	3	1 12 1 inf infinf inf	TIME
cana-1921	186	1		PERSON
cana-1921	186	2		NORP
cana-1921	186	3	12	CARDINAL
cana-1921	187	1		PERSON
cana-1921	187	2		NORP
cana-1921	189	1	11	CARDINAL
cana-1921	189	2		GPE
cana-1921	189	3		PERSON
cana-1921	189	4		NORP
cana-1921	189	5	11 12 1 sup	DATE
cana-1921	190	1		PERSON
cana-1921	190	2		NORP
cana-1921	190	3	12	CARDINAL
cana-1921	190	4	22 2 sup supsup	TIME
cana-1921	190	5	fed	ORG
cana-1921	191	1	211	CARDINAL
cana-1921	191	2	fed	ORG
cana-1921	192	1	311	CARDINAL
cana-1921	192	2	ewlh	CARDINAL
cana-1921	193	1	321	CARDINAL
cana-1921	193	2	5.1	CARDINAL
cana-1921	198	1	0.9	CARDINAL
cana-1921	198	2	1074	CARDINAL
cana-1921	199	1	20--	DATE
cana-1921	199	2	94	CARDINAL
cana-1921	199	3	0.0000544	MONEY
cana-1921	199	4	124980659.3,538719181.0,099255.3	CARDINAL
cana-1921	199	5	ttt	PERSON
cana-1921	199	6	5%	PERCENT
cana-1921	199	7	11	CARDINAL
cana-1921	199	8	d.f.	GPE
cana-1921	199	9	2.080	CARDINAL
cana-1921	200	1	0lleh	ORG
cana-1921	201	1	11+11-2=20	CARDINAL
cana-1921	201	2	d. f.	PERSON
cana-1921	201	3	2.080	CARDINAL
cana-1921	201	4	5%	PERCENT
cana-1921	202	1	ewt	PERSON
cana-1921	202	2	ewt	PERSON
cana-1921	204	1	5%	PERCENT
cana-1921	204	2	11	CARDINAL
cana-1921	204	3	d.f.	GPE
cana-1921	204	4	2.080	CARDINAL
cana-1921	206	1	0llwh	CARDINAL
cana-1921	207	1	5.2	CARDINAL
cana-1921	207	2	fed	ORG
cana-1921	208	1	211	CARDINAL
cana-1921	209	1	fed	ORG
cana-1921	210	1	311	CARDINAL
cana-1921	212	1	321	CARDINAL
cana-1921	212	2	5.2	CARDINAL
cana-1921	214	1	0.458800231 1	MONEY
cana-1921	214	2	1074	CARDINAL
cana-1921	215	1	20--	DATE
cana-1921	215	2	95	CARDINAL
cana-1921	215	3	501450021.3,778690192.0,442251.3	CARDINAL
cana-1921	215	4	wlluewulleu ttt	PERSON
cana-1921	215	5	d.f.	GPE
cana-1921	215	6	lleut	PERSON
cana-1921	215	7	2.080	CARDINAL
cana-1921	215	8	5%	PERCENT
cana-1921	216	1	0lleruh	CARDINAL
cana-1921	217	1	5%	PERCENT
cana-1921	217	2	11	CARDINAL
cana-1921	217	3	d.f.	GPE
cana-1921	217	4	2.080	CARDINAL
cana-1921	218	1	0ewuh	DATE
cana-1921	219	1	11+11-2=20	DATE
cana-1921	219	2	d.f.	GPE
cana-1921	219	3	2.080	CARDINAL
cana-1921	219	4	5%	PERCENT
cana-1921	220	1	0wlluh	CARDINAL
cana-1921	221	1	5.3	CARDINAL
cana-1921	222	1	211	CARDINAL
cana-1921	222	2	fed	ORG
cana-1921	223	1	311	CARDINAL
cana-1921	224	1	321	CARDINAL
cana-1921	224	2	5.3	CARDINAL
cana-1921	226	1	0.004686 5.007686868 0.632025 0.757272406	MONEY
cana-1921	226	2	0.051391	MONEY
cana-1921	226	3	723051839.2,081386209.2,57484.1	CARDINAL
cana-1921	226	4	ttt	PERSON
cana-1921	226	5	5%	PERCENT
cana-1921	226	6	11	CARDINAL
cana-1921	226	7	d.f.	GPE
cana-1921	226	8	2.080	CARDINAL
cana-1921	227	1	1074	CARDINAL
cana-1921	228	1	20--	DATE
cana-1921	228	2	96	CARDINAL
cana-1921	228	3	llelvt	PERSON
cana-1921	228	4	0llevh	CARDINAL
cana-1921	229	1	11+11-2=20	CARDINAL
cana-1921	229	2	d.f.	GPE
cana-1921	229	3	2.080	CARDINAL
cana-1921	229	4	5%	PERCENT
cana-1921	231	1	0ewvh	ORG
cana-1921	232	1	5%	PERCENT
cana-1921	232	2	11	CARDINAL
cana-1921	232	3	d.f.	GPE
cana-1921	232	4	2.080	CARDINAL
cana-1921	234	1	0wllvh	ORG
cana-1921	235	1	5.4	CARDINAL
cana-1921	235	2	fed	ORG
cana-1921	236	1	211	CARDINAL
cana-1921	237	1	0ewvlh	PERSON
cana-1921	237	2	fed	ORG
cana-1921	238	1	311	CARDINAL
cana-1921	239	1	321	CARDINAL
cana-1921	239	2	5.4	CARDINAL
cana-1921	239	3	14.1	CARDINAL
cana-1921	239	4	0.012614	CARDINAL
cana-1921	239	5	1.2005585	CARDINAL
cana-1921	239	6	1.2005584	MONEY
cana-1921	239	7	154.3135373	CARDINAL
cana-1921	239	8	154.2563998	DATE
cana-1921	239	9	0.4	CARDINAL
cana-1921	239	10	0.045232	MONEY
cana-1921	239	11	1.1070575	MONEY
cana-1921	239	12	0.5	CARDINAL
cana-1921	240	1	1.2004134	CARDINAL
cana-1921	240	2	1.1997911	CARDINAL
cana-1921	240	3	0.7	CARDINAL
cana-1921	240	4	0.076532	MONEY
cana-1921	240	5	1.1894143 1.042171473	CARDINAL
cana-1921	240	6	0.9	CARDINAL
cana-1921	240	7	1.1666652	CARDINAL
cana-1921	240	8	158069152.3,82.41717709,551309.1	CARDINAL
cana-1921	240	9	wllvlewvlllvl ttt	PERSON
cana-1921	240	10	d.f.	GPE
cana-1921	240	11	lleut	PERSON
cana-1921	240	12	2.080	CARDINAL
cana-1921	240	13	5%	PERCENT
cana-1921	241	1	1074	CARDINAL
cana-1921	242	1	20--	DATE
cana-1921	242	2	97	CARDINAL
cana-1921	243	1	5%	PERCENT
cana-1921	243	2	11	CARDINAL
cana-1921	243	3	d.f.	GPE
cana-1921	243	4	2.080	CARDINAL
cana-1921	244	1	0ewvlh	DATE
cana-1921	245	1	11+11-2=20	CARDINAL
cana-1921	245	2	d.f.	GPE
cana-1921	245	3	2.080	CARDINAL
cana-1921	245	4	5%	PERCENT
cana-1921	246	1	0wllvlh	CARDINAL
cana-1921	247	1	5.5	CARDINAL
cana-1921	247	2	5%	PERCENT
cana-1921	248	1	1.1051 02 0.231919	CARDINAL
cana-1921	249	1	0.0440	CARDINAL
cana-1921	249	2	the weibull distribution's	ORG
cana-1921	250	1	0.4316 55	MONEY
cana-1921	250	2	1%	PERCENT
cana-1921	251	1	1.1051 02 0.231919 2.845	MONEY
cana-1921	252	1	0.0440	CARDINAL
cana-1921	253	1	5.6	CARDINAL
cana-1921	253	2	1074	CARDINAL
cana-1921	254	1	20--	DATE
cana-1921	254	2	98	CARDINAL
cana-1921	254	3	2.086	MONEY
cana-1921	254	4	5%	PERCENT
cana-1921	255	1	3.278995	CARDINAL
cana-1921	256	1	weibull distribution distribution	ORG
cana-1921	257	1	0.076463 0.101402	MONEY
cana-1921	257	2	2.845	MONEY
cana-1921	257	3	1%	PERCENT
cana-1921	258	1	3.278995	CARDINAL
cana-1921	258	2	2.845	MONEY
cana-1921	259	1	3.291040 3.931538 2.845	MONEY
cana-1921	260	1	5	CARDINAL
cana-1921	260	2	two	CARDINAL
cana-1921	261	1	two	CARDINAL
cana-1921	263	1	fed	ORG
cana-1921	265	1	fed	ORG
cana-1921	265	2	fed	ORG
cana-1921	267	1	1	CARDINAL
cana-1921	268	1	daily	DATE
cana-1921	269	1	1977	DATE
cana-1921	269	2	51	CARDINAL
cana-1921	269	3	169	CARDINAL
cana-1921	270	1	2	CARDINAL
cana-1921	270	2	wiggins m e .determination	PERSON
cana-1921	270	3	half	CARDINAL
cana-1921	271	1	sci 1984	ORG
cana-1921	271	2	63	CARDINAL
cana-1921	271	3	1064-1068	CARDINAL
cana-1921	272	1	1074	CARDINAL
cana-1921	273	1	20--	DATE
cana-1921	273	2	99	CARDINAL
cana-1921	274	1	3	CARDINAL
cana-1921	274	2	c.h.	GPE
cana-1921	274	3	mon	PERSON
cana-1921	274	4	l.	PERSON
cana-1921	274	5	56	CARDINAL
cana-1921	274	6	1993	DATE
cana-1921	275	1	4	CARDINAL
cana-1921	276	1	s. m.	PERSON
cana-1921	276	2	27	DATE
cana-1921	277	1	385	CARDINAL
cana-1921	278	1	5	CARDINAL
cana-1921	278	2	j.b. e.	PERSON
cana-1921	278	3	shaw	PERSON
cana-1921	278	4	i. uhler	PERSON
cana-1921	278	5	g.m. brown	PERSON
cana-1921	278	6	24-hour	TIME
cana-1921	278	7	15	CARDINAL
cana-1921	278	8	61, 1974	DATE
cana-1921	279	1	6	CARDINAL
cana-1921	279	2	c. y. wen	PERSON
cana-1921	279	3	m.l. zhang	PERSON
cana-1921	280	1	7	CARDINAL
cana-1921	280	2	m.l. zhang.	PERSON
cana-1921	280	3	42	DATE
cana-1921	280	4	145-172,1991	CARDINAL
cana-1921	281	1	8	CARDINAL
cana-1921	283	1	s.v	PERSON
cana-1921	283	2	83	DATE
cana-1921	283	3	pp.203-213, 1996	ORG
cana-1921	284	1	9	CARDINAL
cana-1921	284	2	l. a.	PERSON
cana-1921	284	3	control,8, pp.338	ORG
cana-1921	284	4	352	CARDINAL
cana-1921	284	5	1965	DATE
cana-1921	285	1	10	CARDINAL
cana-1921	285	2	zdenek karpisek	PERSON
cana-1921	285	3	pertstepanek	ORG
cana-1921	285	4	petrjunrak	PERSON
cana-1921	285	5	weibull	PERSON