ICLR

GLASS: GNN with Labeling Tricks for Subgraph Representation Learning

Download Abstract: Despite the remarkable achievements of Graph Neural Networks (GNNs) on graph representation learning, few works have tried to use them to predict properties of subgraphs in the whole graph. The existing state-of-the-art method SubGNN introduces an overly complicated subgraph-level GNN model which synthesizes three artificial channels each of which has two carefully designed …

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LIGS:Learning Intrinstic-reward Generation Selection for Multi-Agent Learning

Download Abstract: Efficient exploration is important for reinforcement learners (RL) to achieve high rewards. In multi-agent systems, coordinated exploration and behaviour is critical for agents to jointly achieve optimal outcomes. In this paper, we introduce a new general framework for improving coordination and performance of multi-agent reinforcement learners (MARL). Our framework, named Learnable Intrinsic-Reward Generation …

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ToM2C: Target-oriented Multi-agent Communication and Cooperation with Theory of Mind

Download Abstract: Being able to predict the mental states of others is a key factor to effective social interaction. It is also crucial to distributed multi-agent systems, where agents are required to communicate and cooperate with others. In this paper, we introduce such an important social-cognitive skill, i.e. Theory of Mind (ToM), to build socially …

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Unsupervised Vision-Language Grammar Induction with Shared Structure Modeling

Download Abstract: We introduce a new task, unsupervised vision-language (VL) grammar induction. Given an image-caption pair, the goal is to extract a shared hierarchical structure for both image and language simultaneously. We argue that such structured output, grounded in both modalities, is a clear step towards the high-level understanding of multimodal information. Besides challenges existing …

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Equivariant and Stable Positional Encoding for More Powerful Graph Neural Networks

Download Abstract: Graph neural networks (GNN) have shown great advantages in many graph-based learning tasks but often fail to predict accurately for a task-based on sets of nodes such as link/motif prediction and so on. Many works have recently proposed to address this problem by using random node features or node distance features. However, they …

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