The QMUL Team with Probabilistic SQL at Enterprise Track. - Thomas Roelleke; Elham Ashoori; Hengzhi Wu; Zhen Cai (TREC, 2005)

Book Search Experiments: Investigating IR Methods for the Indexing and Retrieval of Books. - Hengzhi Wu; Gabriella Kazai; Michael J. Taylor 001 (ECIR, 2008)

Modelling retrieval models in a probabilistic relational algebra with a new operator: the relational Bayes. - Thomas Rölleke; Hengzhi Wu; Jun Wang 032; Hany Azzam (VLDB J., 2008)

Semi-subsumed Events: A Probabilistic Semantics of the BM25 Term Frequency Quantification. - Hengzhi Wu; Thomas Roelleke (ICTIR, 2009)

Logic-Based Retrieval: Technology for Content-Oriented and Analytical Querying of Patent Data. - Iraklis A. Klampanos; Hengzhi Wu; Thomas Roelleke; Hany Azzam (IRFC, 2010)

Techniques for improving efficiency and scalability for the integration of information retrieval and databases. - Hengzhi Wu (2010)