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4 papers · 1 filter
User Taglines: Alternative Presentations of Expertise and Interest in Social Media
Hemant Purohit, Alex Dow, Omar Alonso +2
Web applications are increasingly showing recommended users from social media along with some descriptions, an attempt to show relevancy - why they are being shown. For example, Tw…
On the Role of Social Identity and Cohesion in Characterizing Online Social Communities
Hemant Purohit, Yiye Ruan, David Fuhry +2
Two prevailing theories for explaining social group or community structure are cohesion and identity. The social cohesion approach posits that social groups arise out of an aggrega…
Secure Computation of Top-K Eigenvectors for Shared Matrices in the Cloud
James Powers, Keke Chen
With the development of sensor network, mobile computing, and web applications, data are now collected from many distributed sources to form big datasets. Such datasets can be host…
From Questions to Effective Answers: On the Utility of Knowledge-Driven Querying Systems for Life Sciences Data
Amir H. Asiaee, Prashant Doshi, Todd Minning +4
We compare two distinct approaches for querying data in the context of the life sciences. The first approach utilizes conventional databases to store the data and intuitive form-ba…