International Journal of Computer Mathematics

Ng, W. and Levene, Mark and Fenner, Trevor (2000) On the expressive power of the relational algebra with partially ordered domains. International Journal of Computer Mathematics 74 (1), pp. 53-62. ISSN 0020-7160.

Journal of Database Management

Ng, W. and Levene, Mark (2001) The development of ordered SQL packages to support data warehousing. Journal of Database Management 12 (4), pp. 26-39. ISSN 1063-8016.

Knowledge and Information Systems

Ng, W. and Lam, W.Y. and Wood, P.T. and Levene, M. (2006) XCQ: A queriable XML compression system. Knowledge and Information Systems 10 (4), pp. 421-452. ISSN 0219-1377.