@conference {3719,
	title = {$\#$WhatsTheDifference? Comparing Hashtag Conversation on Twitter among Teachers},
	booktitle = {Association for Educational Communications and Technology (AECT)},
	year = {2014},
	address = {Jacksonville, USA},
	keywords = {Network of Practice, Social Network Analysis, Teacher Education, Twitter},
	author = {Martin Rehm and Preussler, Annabell and Michael Kerres and Katerina Bohle-Carbonell and Ad Notten}
}
