Her research in Social Informatics emphasizes online knowledge sharing, communities of practice, and collective behaviors in mediated environments. Her current research concerns co-production of scientific knowledge in online communities, such as Wikipedia. She is the author of Communities of Practice: Fostering Peer-to-Peer Learning and Informal Knowledge Sharing in the Work Place from Springer, and a co-editor of Global Wikipedia: International and Cross-Cultural Issues in Online Collaboration from Rowman & Littlefied. Noriko received a Ph.D. in Instructional Systems Technology at Indiana University and was a postdoctoral research fellow in the NSF Science and Technology Center at University of North Carolina, Chapel Hill.