Optimised Phrase Querying and Browsing of Large Text Databases. - Dirk Bahle; Hugh E. Williams; Justin Zobel (ACSC, 2001)

Compaction Techniques for Nextword Indexes. - Dirk Bahle; Hugh E. Williams; Justin Zobel (SPIRE, 2001)

Efficient phrase querying with an auxiliary index. - Dirk Bahle; Hugh E. Williams; Justin Zobel (SIGIR, 2002)

Fast phrase querying with combined indexes. - Hugh E. Williams; Justin Zobel; Dirk Bahle (ACM Trans. Inf. Syst., 2004)