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pointer_network [2017/07/14 11:10]
127.0.0.1 external edit
pointer_network [2018/09/08 11:45] (current)
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 http://​fastml.com/​introduction-to-pointer-networks/​ http://​fastml.com/​introduction-to-pointer-networks/​
 +
 +https://​arxiv.org/​pdf/​1806.08804.pdf Hierarchical Graph Representation Learning with Differentiable Pooling
 +
 +current GNN methods are inherently flat and do not learn hierarchical representations of graphs—a limitation that is especially problematic for the task of graph classification,​ where the goal is to predict the label associated with an entire graph. Here we propose DIFFPOOL, a differentiable graph pooling module that can generate hierarchical representations of graphs and can be combined with various graph neural network architectures in an end-to-end fashion. DIFFPOOL learns a differentiable soft cluster assignment for nodes at each layer of a deep GNN, mapping nodes to a set of clusters, which then form the coarsened input for the next GNN layer
 +
 +https://​arxiv.org/​abs/​1809.01797 Narrating a Knowledge Base
 +
 +We aim to automatically generate natural
 +language narratives about an input structured
 +knowledge base (KB). We build our
 +generation framework based on a pointer
 +network which can copy facts from the
 +input KB, and add two attention mechanisms:
 +(i) slot-aware attention to capture
 +the association between a slot type
 +and its corresponding slot value; and (ii)
 +a new table position self-attention to capture
 +the inter-dependencies among related
 +slots. ​