Security Analyses for Enterprise Instant Messaging (EIM) Systems. - Joon S. Park; Tito Sierra (Inf. Secur. J. A Glob. Perspect., 2005)

How much of it is real? Analysis of paid placement in Web search engine results. - Scott Nicholson; Tito Sierra; U. Yeliz Eseryel; Ji-Hong Park; Philip Barkow; Erika J. Pozo; Jane Ward (J. Assoc. Inf. Sci. Technol., 2006)

Indexing Institutional Data to Promote Library Resource Discovery. - Tito Sierra (Bull. IEEE Tech. Comm. Digit. Libr., 2007)

The ncsu catalog research testbed: a tool for evaluating faceted library catalog interfaces. - Tito Sierra; Joseph D. Ryan; Jason Casden (JCDL, 2008)

What do exploratory searchers look at in a faceted search interface? - Bill Kules; Robert Capra; Matthew Banta; Tito Sierra (JCDL, 2009)

Faceted Search for Library Catalogs: Developing Grounded Tasks and Analyzing Eye-Tracking Data. - Robert Capra; Bill Kules; Matthew Banta; Tito Sierra (UIIR@SIGIR, 2009)

How Users Search the Library from a Single Search Box. - Cory Lown; Tito Sierra; Josh Boyer (Coll. Res. Libr., 2013)