J. Berant, A. Chou, R. Frostig, and P. Liang, Semantic Parsing on Freebase from Question-Answer Pairs, p.EMNLP, 2013.

A. Bordes, N. Usunier, S. Chopra, and J. Weston, Large-scale simple question answering with memory networks, 2015.

D. Diefenbach, S. Amjad, A. Both, K. Singh, and P. Maret, Trill: A Reusable Front-End for QA Systems, In: ESWC P&D, vol.30, issue.2, 2017.
DOI : 10.1007/978-3-319-47602-5_41

D. Diefenbach, K. Singh, A. Both, D. Cherix, C. Lange et al., The Qanary Ecosystem: Getting New Insights by Composing Question Answering Pipelines, p.ICWE, 2017.
DOI : 10.1145/2736277.2741626

D. Diefenbach, K. Singh, and P. Maret, WDAqua-core0: A Question Answering Component for the Research Community, ESWC, 7th Open Challenge on Question Answering over Linked Data, 2017.
DOI : 10.1109/ICSC.2016.59

D. Diefenbach, V. Lopez, K. Singh, and M. Pierre, Core techniques of question answering systems over knowledge bases: a survey, Knowledge and Information Systems, vol.8, issue.4, 2017.
DOI : 10.1145/2588555.2610525
URL : https://hal.archives-ouvertes.fr/hal-01629486

B. Ell, D. Vrande?i´vrande?i´c, and E. Simperl, SPARTIQULATION: Verbalizing SPARQL Queries, Extended Semantic Web Conference, pp.117-131, 2012.
DOI : 10.1007/978-3-662-46641-4_9
URL : http://www.aifb.kit.edu/images/b/b7/VerbalizingSparqlQueries.pdf

N. Ngomo, A. C. Bühmann, L. Unger, C. Lehmann, J. Gerber et al., Sorry, i don't speak SPARQL, Proceedings of the 22nd international conference on World Wide Web, WWW '13, pp.977-988, 2013.
DOI : 10.1145/2187836.2187923

C. Unger, A. C. Ngomo, and E. Cabrio, Cimiano: 6th Open Challenge on Question Answering over Linked Data (QALD-6) In: The Semantic Web: ESWC, Challenges, 2016.