1. Kaymak, U., Hogenboom, F., Frasincar, F., Jong, F.D.: An overview of event extraction from text. In: Workshop on Detection, Representation, and Exploitation of Events in the Semantic Web (DeRiVE 2011), CEUR Workshop Proceedings at Tenth International Semantic Web Conference, (ISWC 2011), CEURWS.org (2011)
2. Hogenboom, F., IJntema, W., Sangers, J., Frasincar, F.: A lexico-semantic pattern language for learning ontology instances from text. J. Web Sem. 15, 37–50 (2012)
3. Lee, R., Sumiya, K.: Measuring geographical regularities of crowd behaviors for twitter-based geo-social event detection. In: Proceedings of the 2nd ACM SIGSPATIAL International Workshop on Location Based Social Networks, CEUR Workshop Proceedings, CEURWS.org. San Jose, California, vol. 779 (2010)
4. Benferhat, S., Amor, N.B., Elouedi, Z.: Decision trees as possibilistic classifiers. Int. J. Approximate Reasoning 48(3), 784–807 (2008)
5. Chen, L., Zhou, D., He, Y.: A simple bayesian modelling approach to event extraction from twitter. In: Proceedings of the 52nd Annual Meeting of the Association for Computational Linguistics, vol. 2, pp. 700–705, June 2014. Association for Computational Linguistics, Baltimore, Maryland (2014)