Bárbara Poblete will be the keynote speaker TAIA 2015 (SIGIR 2015 workshop). TAIA is the workshop on Temporal, Social and Spatially-aware Information Access. That worksop aims at exploring spatial and temporal context in dynamic geotagged collections, such as Wikipedia, and traditional news sources, as well as social media sites such as Twitter, Foursquare, Facebook and Flickr.