There were two back to back meetings organised as part of the 2015 Big Data and Extreme Computing meeting website. In the first, organised as part of the European Exascale Software Initiative (EESI), I gave a full talk, in the second, I provided a four page position paper with a four page exposition.
It starts and Ends with Data: Towards exascale from an earth system science perspective
Presentation: pdf (7 MB).
Six sections: the big picture, background trends, hardware issues, software issues, workflow, and a summary.
Bringing Compute to the Data
Presentation: pdf (3 MB).
This was my main BDEC contribution. There was also a four page summary paper: pdf.