Ruckhaus, E., Kolovski, V., Parsia, B., & Grau, B. (2006). Integrating Datalog with OWL: Exploring the AL−log Approach. Springer.

Ruckhaus, E., V. Kolovski, B. Parsia, and B. Grau. Integrating Datalog with OWL: Exploring the AL−log Approach. Springer, 2006.

Ruckhaus, E., et al. Integrating Datalog with OWL: Exploring the AL−log Approach. Springer, 2006.