The three-volume set LNAI 11439 11440 and 11441 constitutes the thoroughly refereed
proceedings of the 23rd Pacific-Asia Conference on Knowledge Discovery and Data Mining PAKDD
2019 held in Macau China in April 2019.The 137 full papers presented were carefully reviewed
and selected from 542 submissions. The papers present new ideas original research results and
practical development experiences from all KDD related areas including data mining data
warehousing machine learning artificial intelligence databases statistics knowledge
engineering visualization decision-making systems and the emerging applications. They are
organized in the following topical sections: classification and supervised learning text and
opinion mining spatio-temporal and stream data mining factor and tensor analysis healthcare
bioinformatics and related topics clustering and anomaly detection deep learning models and
applications sequential pattern mining weakly supervised learning recommender system social
network and graph mining data pre-processing and featureselection representation learning and
embedding mining unstructured and semi-structured data behavioral data mining visual data
mining and knowledge graph and interpretable data mining.
