•	69	modeling
•	56	model
•	54	collaborative
•	53	models
•	47	software
•	46	process
•	43	development
•	42	design
•	41	approach
•	32	paper
•	31	tools
•	29	collaboration
•	27	tool
•	23	engineering
•	23	systems
•	21	work
•	21	can
•	18	system
•	18	also
•	17	propose
•	16	study
•	15	However
•	15	use
•	14	present
•	14	used
•	14	new
•	14	MDE
•	14	may
•	13	existing
•	13	method
•	13	team
•	12	user
•	12	application
•	11	processes
•	11	diagrams
•	11	MDSE
•	11	time
•	11	challenges
•	11	techniques
•	11	collaboratively
•	11	model-driven
•	11	large
•	10	approaches
•	10	developed
•	10	research
•	10	Modeling
•	10	using
•	10	users
•	9	Engineering
•	9	important
•	9	provide
•	8	help
•	8	will
•	8	main
•	7	model-based
•	6	modelling
•	6	Model-Driven