This two-volume set LNCS 10987 and 10988 constitutes the thoroughly refereed proceedings of
the Second International Joint Conference APWeb-WAIM 2018 held in Macau China in July 2018.
The 40 full papers presented together with 30 short papers 6 demonstration papers and 3
keynotes were carefully reviewed and selected from 168 submissions. The papers are organized
around the following topics: Text Analysis Social Networks Recommender Systems Information
Retrieval Machine Learning Knowledge Graphs Database and Web Applications Data Streams
Data Mining and Application Query Processing Big Data and Blockchain.