Quark: an efficient XQuery full-text implementation. - Anand Bhaskar; Chavdar Botev; Muthiah Chettiar; Lin Guo; Jayavel Shanmugasundaram; Feng Shao 002; Fan Yang 002 (SIGMOD Conference, 2006)

Efficient keyword search over virtual XML views. - Feng Shao 002; Lin Guo; Chavdar Botev; Anand Bhaskar; Muthiah Chettiar; Fan Yang 002; Jayavel Shanmugasundaram (VLDB J., 2009)