Picalausa, F. and Fletcher, G.H.L. and Hidders, Jan and Vansummeren, S. (2014) Principles of Guarded Structural Indexing. In: Schweikardt, N. and Christophides, V. and Leroy, V. (eds.) Proc. 17th International Conference on Database Theory (ICDT), Athens, Greece, March 24-28, 2014. Openproceedings.org, pp. 245-256. ISBN 9783893180661.

Calders, T. and Dekeyser, S. and Hidders, Jan and Paredaens, J. (2006) Analyzing workflows implied by instance-dependent access rules. In: Vansummeren, S. (ed.) Proceedings of the Twenty-Fifth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems. Association for Computing Machinery, pp. 100-109. ISBN 9781595933188.

Gyssens, M. and Paredaens, J. and Van Gucht, D. and Fletcher, George H.L. (2006) Structural characterizations of the semantics of XPath as navigation tool on a document. In: Vansummeren, S. (ed.) Proceedings of the Twenty-Fifth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems. Association for Computing Machinery, pp. 318-327. ISBN 9781595933188.