\begin{thebibliography}{10} \bibitem{bouma-gertjan} Gosse Bouma and Gertjan van Noord. \newblock Head-driven parsing for lexicalist grammars: Experimental results. \newblock In {\em Sixth Conference of the European Chapter of the Association for Computational Linguistics}, Utrecht, 1993. \newblock Available from http://www.let.rug.nl/\verb+~+vannoord/papers/. \bibitem{acl94} Gosse Bouma and Gertjan van Noord. \newblock Constraint-based categorial grammar. \newblock In {\em 32th Annual Meeting of the Association for Computational Linguistics}, New Mexico, 1994. \newblock Available from http://www.let.rug.nl/\verb+~+vannoord/papers/. \bibitem{ovisplan} Lou Boves, Jan Landsbergen, Remko Scha, and Gertjan van Noord. \newblock {\em Language and Speech Technology}. \newblock {NWO} Den Haag, 1995. \newblock Project plan for the {NWO} Priority Programme `Language and Speech Technology'. Available from http://grid.let.rug.nl:4321/. \bibitem{ALE} Bob Carpenter. \newblock The attribute logic engine user guide. \newblock Technical report, Laboratory for Computatonal Linguistics, Carnegie Mellon University, Pittsburgh, 1992. \bibitem{clears} Karten Konrad, Holger Maier, and Manfred Pinkal. \newblock {CLEARS} --- an education and research tool for computational semantics. \newblock In {\em Proceedings of the 16th International Conference on Computational Linguistics (COLING)}, Copenhagen, 1996. \bibitem{dotty} Eleftherios Koutsofios and Stephen~C. North. \newblock Editing graphs with {\it dotty}, 1994. \newblock {\it dotty} User Manual; available as {\tt http://www.research.att.com:80/sw/tools/graphviz/}. \bibitem{mellish} C.S. Mellish. \newblock Implementing systemic classification by unification. \newblock {\em Computational Linguistics}, 14(1), 1988. \bibitem{okeefe} Richard~A. O'Keefe. \newblock {\em The Craft of Prolog}. \newblock The MIT Press, 1990. \bibitem{xgs} Fernando~C.N. Pereira. \newblock Extraposition grammars. \newblock {\em Computational Linguistics}, 7(4), 1981. \bibitem{dcg} Fernando~C.N. Pereira and David Warren. \newblock Definite clause grammars for language analysis --- a survey of the formalism and a comparison with augmented transition networks. \newblock {\em Artificial Intelligence}, 13, 1980. \bibitem{prolog-ross} Peter Ross. \newblock {\em Advanced Prolog}. \newblock Addison-Wesley, 1989. \bibitem{vcg} G.~Sander. \newblock Graph layout through the {VCG} tool. \newblock In R.~Tamassia and I.G. Tollis, editors, {\em Graph Drawing, DIMACS International Workshop GD '94, Proceedings; Lecture Notes in Computer Science 894}, pages 194--205. Springer Verlag, 1995. \newblock cf.\ also http://www.cs.uni-sb.de/RW/users/sander/html/gsvcg1.html. \bibitem{sh-gen} Stuart~M. Shieber, Gertjan van Noord, Robert~C. Moore, and Fernando~C.N. Pereira. \newblock A semantic-head-driven generation algorithm for unification based formalisms. \newblock In {\em 27th Annual Meeting of the Association for Computational Linguistics}, pages 7--17, Vancouver, 1989. \newblock Available from http://www.let.rug.nl/\verb+~+vannoord/papers/. \bibitem{vannoord-tag} Gertjan van Noord. \newblock Head corner parsing for {TAG}. \newblock {\em Computational Intelligence}, 10(4), 1994. \newblock Available from http://www.let.rug.nl/\verb+~+vannoord/papers/. \bibitem{coling94} Gertjan van Noord and Gosse Bouma. \newblock Adjuncts and the processing of lexical rules. \newblock In {\em Proceedings of the 15th International Conference on Computational Linguistics (COLING)}, Kyoto, 1994. \newblock Available from http://www.let.rug.nl/\verb+~+vannoord/papers/. \bibitem{ovis-deliverable-okt} Gertjan van Noord, Gosse Bouma, Rob Koeling, and Mark-Jan Nederhof. \newblock Conventional natural language processing in the {NWO} priority programme on language and speech technology. {October 1996 Deliverables}. \newblock Technical Report~28, {NWO} Priority Programme Language and Speech Technology, 1996. \newblock http://grid.let.rug.nl:4321/. \end{thebibliography}