1. Social Media and Networking: Academic Computing @USC Kristina Lerman USC Information Sciences Institute http://www.isi.edu/~lerman

2. USC Information Sciences Institute Every Minute on Social Media … Credit: Qmee

3. USC Information Sciences Institute Growing Data Size 2007Web scraping Digg – 42K votes … 2010 Twitter API – 3M tweets (4 months) … 2014Parallelized Twitter API – 20M tweets (6months) 2014 Yahoo Mail data – 16B emails

4. USC Information Sciences Institute Computational Challenges Data collection Programmatic interface (API) Parallelize across multiple machines (e.g., PlanetLab) Data storage SQL vs Nosql Data analysis Parallelize Hadoop HPC Amazon Cloud Single PC Smarter analysis

5. USC Information Sciences Institute Other Challenges Access to computational resources HPC wait time Student training

6. USC Information Sciences Institute Industry vs Academia Industry advantages Easy access to data Easy access to computing resources Motivated, educated workforce Academia advantages More interesting questions Less ad-hoc research