id	sid	eid	entity	type
esrj-31427	1	1	geotisica colombiana pp.71-73	PERSON
esrj-31427	1	2	bogota	GPE
esrj-31427	1	3	° 7 dieiembre de 2003	DATE
esrj-31427	1	4	0121 2974	TIME
esrj-31427	1	5	luis antonio castillo lopez protesor	PERSON
esrj-31427	1	6	asistente universidad nacional de colombia	ORG
esrj-31427	1	7	curso posgrado de geofisica tacultad de ciencias	ORG
esrj-31427	2	1	departamento de geociencias	PERSON
esrj-31427	2	2	grupo de investigaci6n en geofisica e-mail	ORG
esrj-31427	2	3	lacastillol@unal.edu.co	PERSON
esrj-31427	2	4	algoritmo de kirchhoff	ORG
esrj-31427	2	5	de rayo se basa en una funcion de velocidad	ORG
esrj-31427	3	1	el cual puede	ORG
esrj-31427	3	2	un	ORG
esrj-31427	4	1	el modelo de veloci	ORG
esrj-31427	4	2	incluye la localizacion de	ORG
esrj-31427	4	3	entre	GPE
esrj-31427	4	4	generados	ORG
esrj-31427	4	5	traves del analisis de velocidad	ORG
esrj-31427	4	6	pero importante en el procesamiento	PERSON
esrj-31427	4	7	sismico tradicional	ORG
esrj-31427	5	1	al aplicar un operador de funcion	ORG
esrj-31427	5	2	por difraccion	ORG
esrj-31427	5	3	cuyo desarrollo teorico	ORG
esrj-31427	5	4	de migraci6n tipo kirchhoff	ORG
esrj-31427	6	1	al escoger el propio	PERSON
esrj-31427	6	2	para el peso de apilado de datos	PERSON
esrj-31427	6	3	el resultado del proceso de migraci6n es una	GPE
esrj-31427	6	4	y su	PERSON
esrj-31427	6	5	al coeficiente de reflexion	ORG
esrj-31427	6	6	verdaderas	ORG
esrj-31427	7	1	palabras clave:	ORG
esrj-31427	7	2	psdm	ORG
esrj-31427	8	1	kirchhoff	ORG
esrj-31427	10	1	two	CARDINAL
esrj-31427	11	1	kirchhoff	ORG
esrj-31427	20	1	el15 de junio de 2003	GPE
esrj-31427	21	1	articulo aceptado para publicae ion	PERSON
esrj-31427	21	2	por el comne editorial el 36 de octubre de 2003	ORG
esrj-31427	22	1	gfofislca cdlombiana	PERSON
esrj-31427	23	1	7	CARDINAL
esrj-31427	23	2	diciembre de 2003	DATE
esrj-31427	26	1	second	ORDINAL
esrj-31427	28	1	71	CARDINAL
esrj-31427	28	2	luis antonio castillo l6pez ray irajelory	PERSON
esrj-31427	28	3	0.5	CARDINAL
esrj-31427	29	1	2.51	CARDINAL
esrj-31427	29	2	0.5 1.5 2.5	CARDINAL
esrj-31427	29	3	0.5	CARDINAL
esrj-31427	29	4	ec	ORG
esrj-31427	29	5	1.5	CARDINAL
esrj-31427	30	1	2.51	CARDINAL
esrj-31427	31	1	3l-----''--	CARDINAL
esrj-31427	31	2	0.5 1.5 2	CARDINAL
esrj-31427	31	3	kml	ORG
esrj-31427	31	4	i. models	PERSON
esrj-31427	33	1	two	CARDINAL
esrj-31427	33	2	1999	DATE
esrj-31427	33	3	martins et al	PERSON
esrj-31427	34	1	1998	DATE
esrj-31427	34	2	72	CARDINAL
esrj-31427	34	3	0 5	CARDINAL
esrj-31427	34	4	1.5 2	CARDINAL
esrj-31427	35	1	0.5	CARDINAL
esrj-31427	35	2	o	DATE
esrj-31427	35	3	0.2	CARDINAL
esrj-31427	35	4	0.4	CARDINAL
esrj-31427	35	5	0.6 0.8l--~-~~~~-~-~-~-~-~----j	CARDINAL
esrj-31427	36	1	0.2 0.4 0.6	QUANTITY
esrj-31427	36	2	1.6 1.8	CARDINAL
esrj-31427	36	3	2	CARDINAL
esrj-31427	36	4	ray trajectory model(lower	ORG
esrj-31427	37	1	v(m	PERSON
esrj-31427	37	2	w(~,m)~	GPE
esrj-31427	38	1	half	CARDINAL
esrj-31427	41	1	2.5	CARDINAL
esrj-31427	41	2	2	CARDINAL
esrj-31427	42	1	first	ORDINAL
esrj-31427	42	2	1993	DATE
esrj-31427	43	1	geofisiga golombiana	PERSON
esrj-31427	43	2	7	DATE
esrj-31427	43	3	1.85r	ORDINAL
esrj-31427	44	1	1.8	CARDINAL
esrj-31427	45	1	1.75	CARDINAL
esrj-31427	45	2	1.7	CARDINAL
esrj-31427	47	1	1.65	CARDINAL
esrj-31427	47	2	t	TIME
esrj-31427	47	3	0.5 1.5 2.5	CARDINAL
esrj-31427	47	4	3.5 4.5	CARDINAL
esrj-31427	47	5	3	CARDINAL
esrj-31427	48	1	1986	DATE
esrj-31427	49	1	3	CARDINAL
esrj-31427	49	2	1 +	DATE
esrj-31427	50	1	2cco	CARDINAL
esrj-31427	51	1	ii	PERSON
esrj-31427	52	1	1.25	CARDINAL
esrj-31427	53	1	0.4 km	QUANTITY
esrj-31427	53	2	0.5 km	QUANTITY
esrj-31427	53	3	1.45 km	QUANTITY
esrj-31427	54	1	about 70	CARDINAL
esrj-31427	55	1	2	CARDINAL
esrj-31427	57	1	3	CARDINAL
esrj-31427	57	2	geofislca colomb lana	PERSON
esrj-31427	57	3	diciembre de 2003	DATE
esrj-31427	62	1	1986	DATE
esrj-31427	62	2	two	CARDINAL
esrj-31427	63	1	34	CARDINAL
esrj-31427	63	2	686	CARDINAL
esrj-31427	64	1	japsen	PERSON
esrj-31427	64	2	1993	DATE
esrj-31427	65	1	77	DATE
esrj-31427	65	2	2	CARDINAL
esrj-31427	65	3	194	CARDINAL
esrj-31427	66	1	1	CARDINAL
esrj-31427	66	2	m.	PERSON
esrj-31427	66	3	1993	DATE
esrj-31427	66	4	3	CARDINAL
esrj-31427	67	1	1820-1830	DATE
esrj-31427	68	1	schneider, jr.	ORG
esrj-31427	68	2	w. a.	PERSON
esrj-31427	68	3	k. a.	PERSON
esrj-31427	68	4	balch, h.	ORG
esrj-31427	68	5	kuse	ORG
esrj-31427	68	6	1992	DATE
esrj-31427	68	7	first	ORDINAL
esrj-31427	69	1	57	DATE
esrj-31427	69	2	1,39-50	CARDINAL
esrj-31427	70	1	1.,1999	DATE
esrj-31427	70	2	two	CARDINAL
esrj-31427	70	3	2.5-d	QUANTITY
esrj-31427	72	1	federal university of para	ORG
esrj-31427	72	2	brazil	GPE
esrj-31427	73	1	portuguese	NORP
esrj-31427	74	1	the geophysical institute	ORG
esrj-31427	74	2	charles university	ORG
esrj-31427	74	3	prague	GPE
esrj-31427	74	4	czechoslovakia	GPE
esrj-31427	74	5	the universidad nac10nal de colombia for supporting the author	ORG
esrj-31427	75	1	73	CARDINAL