This book constitutes the refereed proceedings of 3 workshops of the 17th International Conference on Web-Age Information Management, WAIM 2016, held in Nanchang, China, in June 2016.

The three workshops were as follows:

• The International Workshop on Spatiotemporal Data Management and Mining for the Web (SDMMW 2016)

• The International Workshop on Semi-structured Big Data Management and Applications (SemiBDMA 2016).

• The International Workshop on Mobile Web Data Analytics (MWDA2016)