For details about Sparkwave we encourage you to read the publications.
Srdjan Komazec, Davide Cerri, and Dieter Fensel. 2012. Sparkwave: continuous schema-enhanced pattern matching over RDF data streams. In Proceedings of the 6th ACM International Conference on Distributed Event-Based Systems (DEBS '12). ACM, New York, NY, USA, 58-68. DOI=10.1145/2335484.2335491
http://dl.acm.org/citation.cfm?doid=2335484.2335491
Rogger, M., Fensel, A., Gustavi, T., Horndahl, A., MÃ¥rtenson, C. Semantic Data Management: Sensor-based Port Security Use Case. In Proceedings of European Intelligence and Security Informatics Conference (EISIC), August 12-14, 2013, Uppsala, Sweden, IEEE Computer Society Press (2013).