Explicit Vs Implicit 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., JCAI'17 Recommendation zhao et al. KDD'17 Benefits Have explicit semantics explainable Knowledge discovery Resolve different kinds of ambiguity• 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 ambiguity Explicit vs. Implicit Representation Representation Implicit Explicit Flat/Homogenous LDA, word2vec ESA Graph/Heterogeneous TransE 12 This talk