I do Visual Analytics, i.e., I include the user in the big data analysis/science loop.john.guerra[~at~]gmail.com
Information Visualization Researcher and Engineer. I help people extract insights from their data using interactive infovis and data science. PhD in Computer Science, Assistant Teaching Professor at Northeastern University Bay Area. I conduct research on Visual Analytics, Accessibility, Big data, Human Computer Interaction and Web Development. Formerly at UCBerkeley, Uniandes Colombia, Yahoo Labs, Xerox PARC and DUTO .
A visualization widget that you can use to explore large data
A search engine for tactile images for the blind.
Twitter monitor and analyzer for different topics
Representing groups of photos with numeric attributes. Work in progress, pending publication.
Visual analytics tool for understanding large networks. Pending publication.
Visualizing five dimensions of change in a dataset changing over time using hierarchies
Comparing changes between trees on structure and node values.
A visual analytics tool for temporal categorical data. Helped developing the comparison modules as part of a broader project.
A system to allow blind children to see colors and shapes with their hands
I love taking photos, it is my main hobby. I have more than 250k photos to date, so I care about the problem of organizing and navigating photo repositories ;). Here is a sample of my photos on Flickr: