MLSDA'13 is an inaugural forum that aims at bringing researchers on sensory technology, networking, and distributed data mining together in order to respond to unprecedented research challenges and opportunities resulted from the synergy between big data, machine learning, and wireless sensor networking. MLSDA'13 is one of the four workshops on the 26th Australasian Joint Conference on Artificial Intelligence (AI 2013) to be held in Dunedin, 1-6 December 2013. It is co-located with the 16th International Conference on Principles and Practice of Multi-Agent Systems (PRIMA 2013).