Kawamura,T., and Ohsuga,A., “Flower Voice: Virtual Assistant using LOD”,Proc. 7th International conference on Knowledge Capture, Canada (K-CAP2013), pp.125-128 (2013.6)
Masayuki Ashikawa, Takahiro Kawamura and Akihiko Ohsuga: Quality Improvement by Worker Filtering and Development in Crowdsourcing, Web Intelligence Journal, Vol.14, No.3, pp.229-244 (2016.8)