Photos for information: a field study of cameraphone computer vision interactions in tourism. - Gregory Cuellar; Dean Eckles; Mirjana Spasojevic (CHI Extended Abstracts, 2008)

Landmark-based pedestrian navigation from collections of geotagged photos. - Harlan Hile; Ramakrishna Vedantham; Gregory Cuellar; Alan L. Liu; Natasha Gelfand; Radek Grzeszczuk; Gaetano Borriello (MUM, 2008)