World explorer: visualizing aggregate data from unstructured text in geo-referenced collections. - Shane Ahern; Mor Naaman; Rahul Nair; Jeannie Hui-I Yang (JCDL, 2007)

Zurfer: mobile multimedia access in spatial, social and topical context. - Amy Hwang; Shane Ahern; Simon King 004; Mor Naaman; Rahul Nair; Jeannie Hui-I Yang (ACM Multimedia, 2007)