1. Ali, H., Chali, Y., Hasan, S.A.: Automation of question generation from sentences. In: Boyer, K.E., Piwek, P. (eds.) Proceedings of the 3rd Workshop on Question Generation, held at ITS 2010, pp. 58–67 (2010)
2. Bizer, C., Lehmann, J., Kobilarov, G., Auer, S., Becker, C., Cyganiak, R., Hellmann, S.: DBpedia - A crystallization point for the Web of Data. Web Semantics: Science, Services and Agents on the World Wide Web 7(3), 154–165 (2009)
3. Bollacker, K., Evans, C., Paritosh, P., Sturge, T., Taylor, J.: Freebase: a collaboratively created graph database for structuring human knowledge. In: Proceedings of the SIGMOD International Conference on Management of Data, pp. 1247–1250. ACM (2008)
4. Brown, J., Frishkoff, G., Eskenazi, M.: Automatic question generation for vocabulary assessment. In: Proceedings of Human Language Technology Conference and Conference on Empirical Methods in Natural Language Processing (2005)
5. Chen, W., Aist, G., Mostow, J.: Generating questions automatically from Informational text. In: Craig, S.D., Dicheva, D. (eds.) Proceedings of the 2nd Workshop on Question Generation, held at AIED 2009, pp. 17–24 (2009)