id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
spir-9037	Rossi, Luca; Zurovac, Elisabetta	The Genesis of Crisis Communication in Twitter: from Witnesses to Gatewatchers	2013.0	4	.pdf	application/pdf	1751	86	57	We then adopted a SNA approaches to study the network produced by the retweet activity and focused our attention on the presence of a giant component made of users connected to one another through the Figure 1: Tweet, retweets and single users per hour. Earthquake shakes Twitter users: real-time event detection by social sensors.	cache/spir-9037.pdf	txt/spir-9037.txt