Explicit Vs Implicit"Graph" Representation Representation Implicit Explicit Flat/Homogenous LDA, word2vec ESA Graph/Heterogeneous TransE This talk From meta-path to meta-graphs Semi-supervised learning [Jiang et al. IJCAl'17 Recommendation [Zhao et al., KDD'17- Benefits Have explicit semantics explainable Knowledge discovery Resolve different kinds of ambiguous• From meta-path to meta-graphs – Semi-supervised learning [Jiang et al., IJCAI’17] – Recommendation [Zhao et al., KDD’17] • Benefits – Have explicit semantics • Explainable • Knowledge discovery – Resolve different kinds of ambiguous Explicit vs. Implicit “Graph” Representation Representation Implicit Explicit Flat/Homogenous LDA, word2vec ESA Graph/Heterogeneous TransE This talk 30