Representing and Querying Multi-dimensional Markup for Question Answering Wouter Alink author Valentin Jijkoun author David Ahn author Maarten de Rijke author Peter Boncz author Arjen de Vries author 2006 text Proceedings of the 5th Workshop on NLP and XML (NLPXML-2006): Multi-Dimensional Markup in Natural Language Processing conference publication alink-etal-2006-representing https://aclanthology.org/W06-2701/ 2006