id	sid	tid	token	lemma	pos
h128nc60733	1	1	the	the	DET
h128nc60733	1	2	highly	highly	ADV
h128nc60733	1	3	dynamic	dynamic	ADJ
h128nc60733	1	4	and	and	CCONJ
h128nc60733	1	5	unpredictable	unpredictable	ADJ
h128nc60733	1	6	character	character	NOUN
h128nc60733	1	7	of	of	ADP
h128nc60733	1	8	mobile	mobile	ADJ
h128nc60733	1	9	ad	ad	NOUN
h128nc60733	1	10	-	-	PUNCT
h128nc60733	1	11	hoc	hoc	X
h128nc60733	1	12	networks	network	NOUN
h128nc60733	1	13	poses	pose	VERB
h128nc60733	1	14	significant	significant	ADJ
h128nc60733	1	15	challenges	challenge	NOUN
h128nc60733	1	16	for	for	ADP
h128nc60733	1	17	group	group	NOUN
h128nc60733	1	18	management	management	NOUN
h128nc60733	1	19	.	.	PUNCT
h128nc60733	2	1	node	node	NOUN
h128nc60733	2	2	mobility	mobility	NOUN
h128nc60733	2	3	often	often	ADV
h128nc60733	2	4	changes	change	VERB
h128nc60733	2	5	the	the	DET
h128nc60733	2	6	multicast	multicast	NOUN
h128nc60733	2	7	tree	tree	NOUN
h128nc60733	2	8	,	,	PUNCT
h128nc60733	2	9	and	and	CCONJ
h128nc60733	2	10	therefore	therefore	ADV
h128nc60733	2	11	,	,	PUNCT
h128nc60733	2	12	frequent	frequent	ADJ
h128nc60733	2	13	flooding	flooding	NOUN
h128nc60733	2	14	of	of	ADP
h128nc60733	2	15	updates	update	NOUN
h128nc60733	2	16	from	from	ADP
h128nc60733	2	17	group	group	NOUN
h128nc60733	2	18	members	member	NOUN
h128nc60733	2	19	are	be	AUX
h128nc60733	2	20	required	require	VERB
h128nc60733	2	21	to	to	PART
h128nc60733	2	22	refresh	refresh	VERB
h128nc60733	2	23	the	the	DET
h128nc60733	2	24	multicast	multicast	NOUN
h128nc60733	2	25	tree	tree	NOUN
h128nc60733	2	26	at	at	ADP
h128nc60733	2	27	the	the	DET
h128nc60733	2	28	source	source	NOUN
h128nc60733	2	29	node	node	PROPN
h128nc60733	2	30	.	.	PUNCT
h128nc60733	3	1	however	however	ADV
h128nc60733	3	2	,	,	PUNCT
h128nc60733	3	3	the	the	DET
h128nc60733	3	4	communication	communication	NOUN
h128nc60733	3	5	overheads	overhead	NOUN
h128nc60733	3	6	resulting	result	VERB
h128nc60733	3	7	from	from	ADP
h128nc60733	3	8	such	such	ADJ
h128nc60733	3	9	membership	membership	NOUN
h128nc60733	3	10	updates	update	NOUN
h128nc60733	3	11	are	be	AUX
h128nc60733	3	12	undesirable	undesirable	ADJ
h128nc60733	3	13	in	in	ADP
h128nc60733	3	14	ad	ad	NOUN
h128nc60733	3	15	-	-	PUNCT
h128nc60733	3	16	hoc	hoc	X
h128nc60733	3	17	networks	network	NOUN
h128nc60733	3	18	due	due	ADJ
h128nc60733	3	19	to	to	ADP
h128nc60733	3	20	bandwidth	bandwidth	ADJ
h128nc60733	3	21	constraints	constraint	NOUN
h128nc60733	3	22	.	.	PUNCT
h128nc60733	4	1	flooding	flooding	NOUN
h128nc60733	4	2	also	also	ADV
h128nc60733	4	3	contributes	contribute	VERB
h128nc60733	4	4	to	to	ADP
h128nc60733	4	5	congestion	congestion	NOUN
h128nc60733	4	6	and	and	CCONJ
h128nc60733	4	7	collisions	collision	NOUN
h128nc60733	4	8	;	;	PUNCT
h128nc60733	4	9	thereby	thereby	ADV
h128nc60733	4	10	degrading	degrade	VERB
h128nc60733	4	11	the	the	DET
h128nc60733	4	12	performance	performance	NOUN
h128nc60733	4	13	of	of	ADP
h128nc60733	4	14	group	group	NOUN
h128nc60733	4	15	communication	communication	NOUN
h128nc60733	4	16	.	.	PUNCT
h128nc60733	5	1	therefore	therefore	ADV
h128nc60733	5	2	,	,	PUNCT
h128nc60733	5	3	performing	perform	VERB
h128nc60733	5	4	membership	membership	NOUN
h128nc60733	5	5	updates	update	NOUN
h128nc60733	5	6	while	while	SCONJ
h128nc60733	5	7	minimizing	minimize	VERB
h128nc60733	5	8	flooding	flooding	NOUN
h128nc60733	5	9	is	be	AUX
h128nc60733	5	10	critical	critical	ADJ
h128nc60733	5	11	in	in	ADP
h128nc60733	5	12	the	the	DET
h128nc60733	5	13	bandwidth	bandwidth	ADJ
h128nc60733	5	14	efficiency	efficiency	NOUN
h128nc60733	5	15	of	of	ADP
h128nc60733	5	16	group	group	NOUN
h128nc60733	5	17	communication	communication	NOUN
h128nc60733	5	18	in	in	ADP
h128nc60733	5	19	mobile	mobile	ADJ
h128nc60733	5	20	ad	ad	NOUN
h128nc60733	5	21	-	-	PUNCT
h128nc60733	5	22	hoc	hoc	X
h128nc60733	5	23	networks	network	NOUN
h128nc60733	5	24	.	.	PUNCT
h128nc60733	6	1	furthermore	furthermore	ADV
h128nc60733	6	2	,	,	PUNCT
h128nc60733	6	3	the	the	DET
h128nc60733	6	4	performance	performance	NOUN
h128nc60733	6	5	of	of	ADP
h128nc60733	6	6	data	data	NOUN
h128nc60733	6	7	distribution	distribution	NOUN
h128nc60733	6	8	can	can	AUX
h128nc60733	6	9	be	be	AUX
h128nc60733	6	10	enhanced	enhance	VERB
h128nc60733	6	11	by	by	ADP
h128nc60733	6	12	adapting	adapt	VERB
h128nc60733	6	13	the	the	DET
h128nc60733	6	14	multicast	multicast	NOUN
h128nc60733	6	15	tree	tree	NOUN
h128nc60733	6	16	construction	construction	NOUN
h128nc60733	6	17	scheme	scheme	NOUN
h128nc60733	6	18	to	to	ADP
h128nc60733	6	19	the	the	DET
h128nc60733	6	20	mobility	mobility	NOUN
h128nc60733	6	21	patterns	pattern	NOUN
h128nc60733	6	22	of	of	ADP
h128nc60733	6	23	the	the	DET
h128nc60733	6	24	roaming	roam	VERB
h128nc60733	6	25	group	group	NOUN
h128nc60733	6	26	members	member	NOUN
h128nc60733	6	27	.	.	PUNCT
h128nc60733	7	1	this	this	DET
h128nc60733	7	2	work	work	NOUN
h128nc60733	7	3	proposes	propose	VERB
h128nc60733	7	4	a	a	DET
h128nc60733	7	5	novel	novel	ADJ
h128nc60733	7	6	strategy	strategy	NOUN
h128nc60733	7	7	to	to	PART
h128nc60733	7	8	support	support	VERB
h128nc60733	7	9	group	group	NOUN
h128nc60733	7	10	communication	communication	NOUN
h128nc60733	7	11	(	(	PUNCT
h128nc60733	7	12	multicast	multicast	NOUN
h128nc60733	7	13	)	)	PUNCT
h128nc60733	7	14	in	in	ADP
h128nc60733	7	15	mobile	mobile	ADJ
h128nc60733	7	16	ad	ad	NOUN
h128nc60733	7	17	-	-	PUNCT
h128nc60733	7	18	hoc	hoc	X
h128nc60733	7	19	networks	network	NOUN
h128nc60733	7	20	,	,	PUNCT
h128nc60733	7	21	with	with	ADP
h128nc60733	7	22	a	a	DET
h128nc60733	7	23	focus	focus	NOUN
h128nc60733	7	24	on	on	ADP
h128nc60733	7	25	low	low	ADJ
h128nc60733	7	26	overheads	overhead	NOUN
h128nc60733	7	27	and	and	CCONJ
h128nc60733	7	28	resource	resource	NOUN
h128nc60733	7	29	requirements	requirement	NOUN
h128nc60733	7	30	.	.	PUNCT
h128nc60733	8	1	a	a	DET
h128nc60733	8	2	framework	framework	NOUN
h128nc60733	8	3	,	,	PUNCT
h128nc60733	8	4	called	call	VERB
h128nc60733	8	5	courier	courier	NOUN
h128nc60733	8	6	,	,	PUNCT
h128nc60733	8	7	is	be	AUX
h128nc60733	8	8	proposed	propose	VERB
h128nc60733	8	9	thatincludes	thatinclude	NOUN
h128nc60733	8	10	a	a	DET
h128nc60733	8	11	number	number	NOUN
h128nc60733	8	12	of	of	ADP
h128nc60733	8	13	algorithms	algorithm	NOUN
h128nc60733	8	14	and	and	CCONJ
h128nc60733	8	15	techniques	technique	NOUN
h128nc60733	8	16	to	to	PART
h128nc60733	8	17	maintain	maintain	VERB
h128nc60733	8	18	multicast	multicast	NOUN
h128nc60733	8	19	memberships	membership	NOUN
h128nc60733	8	20	and	and	CCONJ
h128nc60733	8	21	to	to	PART
h128nc60733	8	22	disseminate	disseminate	VERB
h128nc60733	8	23	packets	packet	NOUN
h128nc60733	8	24	to	to	ADP
h128nc60733	8	25	multiple	multiple	ADJ
h128nc60733	8	26	receivers	receiver	NOUN
h128nc60733	8	27	in	in	ADP
h128nc60733	8	28	networks	network	NOUN
h128nc60733	8	29	where	where	SCONJ
h128nc60733	8	30	all	all	DET
h128nc60733	8	31	nodes	node	NOUN
h128nc60733	8	32	can	can	AUX
h128nc60733	8	33	be	be	AUX
h128nc60733	8	34	mobile	mobile	ADJ
h128nc60733	8	35	.	.	PUNCT