This two-volume set LNAI 10234 and 10235 constitutes the thoroughly refereed proceedings of
the 21st Pacific-Asia Conference on Advances in Knowledge Discovery and Data Mining PAKDD 2017
held in Jeju South Korea in May 2017. The 129 full papers were carefully reviewed and
selected from 458 submissions. They are organized in topical sections named: classification and
deep learning social network and graph mining privacy-preserving mining and security risk
applications spatio-temporal and sequential data mining clustering and anomaly detection
recommender system feature selection text and opinion mining clustering and matrix
factorization dynamic stream data mining novel models and algorithms behavioral data mining
graph clustering and community detection dimensionality reduction.
