Databases in Networked Information Systems: 8th International Workshop, DNIS 2013, Aizu-Wakamatsu, Japan, March 25-27, 2013. Proceedings

Databases in Networked Information Systems: 10th International Workshop, DNIS 2015, Aizu, Japan, March 23-25, 2015, Proceedings

Databases in Networked Information Systems: 7th International Workshop, DNIS 2011, Aizu-Wakamatsu, Japan, December 12-14, 2011. Proceedings

Databases in Networked Information Systems: 9th International Workshop, DNIS 2014, Aizu-Wakamatsu, Japan, March 24-26, 2014, Proceedings