Fifth International AAAI Conference on Weblogs and Social Media
17-21 July 2011, Barcelona, Spain


About us

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Fifth International AAAI Conference on Weblogs and Social Media (ICWSM-11)

July 17-21, 2011
Imagina Building
Avinguda Diagonal, 177, planta 9
08018 Barcelona, Spain

Event Location and Registration

ICWSM-11 will be held in the Imagina Auditorium. Onsite registration will be located in the foyer of the Imagina Auditorium, beginning Sunday, July 17. Registration hours will be:

ICWSM-11 Hotels

For those of you staying at the conference hotels, please note the following information. All inquiries regarding your accommodations should be addressed directly to the hotels.

Hotel Amrey Diagonal

Diagonal 161-163
08018 Barcelona
Telephone: +34.93.486.88.00

Hotel Novotel Barcelona City

Avenida Diagonal 201, (Entry for Ciutat de Granada)
08018 Barcelona
Telephone: +34 93 326 24 99

Coffee Breaks

The conference will have one morning (10:00 - 10:30 am) and one afternoon (see schedule for time) coffee break in the foyer of the Imagina Auditorium. Coffee, tea and light breakfast items will be served in the morning, and coffee, tea, soft drinks, water and light snacks in the afternoon.


On Monday, July 18 and Tuesday, July 19, sponsored buffet lunches will be served in the Imagina Auditorium foyer, 12:10 - 1:30 pm. Attendees will be on their own for lunch on Sunday, July 17, Wednesday, July 20, and Thursday, July 21.

Opening Reception

The ICWSM-11 Opening Reception will be held Monday, July 18, 8:00 - 11:15 pm in conjunction with the IJCAI-11 Opening Ceremony and Reception. The IJCAI-11 Opening Ceremony will start at 7:00 pm at the Concert Hall of the Palau de la Música Catalana, a UNESCO World Heritage site, and will be followed by a reception in the foyer, where food and drinks will be served from 8:30 - 11:15 pm. The opening reception will include tapas, drinks and the unique performance of a thrilling musical tragic-comedy Casparo, fragments of an opera. The opera was composed by AI researcher Luc Steels with libretto of the neuroscientist Òscar Vilarroya. Admittance to the IJCAI-11 reception is included in the ICWSM-11 registration fee. Only ICWSM-11 registrants with conference badges will be admitted, so please remember to wear your ICWSM-11 name badge at all times.

Poster/Demo Session

The ICWSM-11 Poster/Demo Session will be held on Tuesday, July 19 from 6:00 - 8:00 pm, in the foyer of the Imagina Auditorium. Hors d'oeuvres, beer, wine, and soft drinks will be served.

Internet Access

Complimentary wireless internet access will be available to attendees in the Imagina Auditorium during ICWSM-11. Attendees are expected to bring their own laptops, as AAAI is unable to provide computers for attendees' use. For further information about internet access, please inquire at the registration desk upon arrival.


For information about transportation to the conference venue and getting around Barcelona, please visit the "Getting around the city" link under "Practical Guide" at
The public transportation stops to the Imagina Building are:


For further information about local dining options, please see and click on "Where to eat". Local restaurant and travel guides will also be available in onsite registration.


Google Engineering

Microsoft Research/Bing

Yahoo Research

Church and Duncan Group, Inc.

University of Michigan School of Information

Find more about sponsoring ICWSM-11 over here