Dear Member of the SIGMM Community,

Welcome to the first issue of the SIGMM Records in 2012.

We provide you with a report from the ACM Multimedia 2011, including links to the digital library for all papers, of course. As part of the conference, the Grand Challenge was arranged. The report from the 2011 Grand Challenge can be found in this issue, as well as the Grand Challenges that have been posed by industry for the next round. You should read the article and attack the 2012 Grand Challenges in time for ACM Multimedia 2012.

It is time to nominate your candidates for three of SIGMM’s prestigious awards: the Nicolas Georganas TOMCCAP Award, the SIGMM Award for Outstanding Technical Contributions to Multimedia Computing, Communications and Applications, and the SIGMM Award for Outstanding PhD Thesis in Multimedia Computing, Communications and Applications. You find the calls in this issue.

You can read PhD thesis summaries provided by a total six candidates who have recently passed their doctoral exams. Their varied topics span most of the interest range of SIGMM, you should be certain to find work that interests you.

Christian Timmerer reports from the 99th MPEG meeting, which concluded some important work and is preparing for new challenges. Free material is offered to you in this issue: you can read an article about Tribler, an open source P2P system. You can also find short descriptions of and references to two datasets for the multimedia community: ENST-Drums and QUASI.

Last but most certainly not least, you find pointers to the latest issues of TOMCCAP and MMSJ, and several announcements from ACM and SIGMM.

We hope that you enjoy this issue of the Records.

The Editors

Stephan Kopf
Viktor Wendel
Lei Zhang
Pradeep Atrey
Christian Timmerer
Pablo Cesar
Carsten Griwodz

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