Yves Petinot Pradeep B. Teregowda Hui Han C. Lee Giles Steve Lawrence Arvind Rangaswamy Nirmal Pal 199-209 2003 conf/jcdl/2003 JCDL http://doi.ieeecomputersociety.org/10.1109/JCDL.2003.1204864 db/conf/jcdl/jcdl2003.html#PetinotTHGLRP03