- IEEE Trans. Knowl. Data Eng. 22(11):1535-1548 (2010)
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- RuleML America, volume 7018 of Lecture Notes in Computer Science, page 267-281. Springer, (2011)
- AI*IA, volume 6934 of Lecture Notes in Computer Science, page 80-91. Springer, (2011)
- AI*IA, volume 6934 of Lecture Notes in Computer Science, page 324-335. Springer, (2011)
- HAIS 1, volume 6678 of Lecture Notes in Computer Science, page 239-246. Springer, (2011)
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