Many interesting talks spread over a set of workshops:

24 January 2011 – 201101_SECURITYWORKSHOP
11 February 2011 – 201102_ITSWORKSHOP
17 March 2011 – 201103_CEN_ETSI_WS_onCommunitySpecifications
15 April 2011 – 201104_SMARTGRIDS
06 September 2011 – 201107_ITSG5_DSRC
03 October 2011 – 201109_CLOUD
30 September 2011 – 201109_FUTURENETWORKS
18 October 2011 – 201110_M2MWORKSHOP

Access to the ETSI Workshops 2011 directory here.