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    An effective and efficient graph representation learning approach for big graphs

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    Date
    2021-09
    Author
    Serra, Edoardo
    Joaristi, Mikel
    Cuzzocrea, Alfredo
    Soufargi, Selim
    Leung, Carson
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    Abstract
    In the Big Data era, large graph datasets are becoming increasingly popular due to their capability to integrate and interconnect large sources of data in many fields, e.g., social media, biology, communication networks, etc. Graph representation learning is a flexible tool that automatically extracts features from a graph node. These features can be directly used for machine learning tasks. Graph representation learning approaches producing features preserving the structural information of the graphs are still an open problem, especially in the context of large-scale graphs. In this paper, we propose a new fast and scalable structural representation learning approach called SparseStruct. Our approach uses a sparse internal representation for each node, and we formally proved its ability to preserve structural information. Thanks to a light-weight algorithm where each iteration costs only linear time in the number of the edges, SparseStruct is able to easily process large graphs. In addition, it provides improvements in comparison with state of the art in terms of prediction and classification accuracy by also providing strong robustness to noise data.
    URI
    http://hdl.handle.net/1993/36219
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    • Faculty of Science Scholarly Works [209]
    • University of Manitoba Scholarship [1952]

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