Article

Papantonakis, A. and King, Peter J.H. (1995) Syntax and semantics of Gql, a graphical query language. Journal of Visual Languages and Computing 6 (1), pp. 3-25. ISSN 1045-926X.

Book Section

Papantonakis, A. and King, Peter J.H. (1994) Gql, a declarative graphical query language based on the functional data model. In: Costabile, M.F. and Catarci, T. and Levialdi, S. and Santucci, G. (eds.) Proceedings of the Workshop on Advanced Visual Interfaces: AVI 1994. Association for Computing Machinery, pp. 113-122. ISBN 9780897917339.