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Semisupervised Network Embedding With Differentiable Deep Quantization
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AI
DOI：10.1109/TNNLS.2021.3129280.png)
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摘要
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Learning accurate low-dimensional embeddings for a network is a crucial task as it facilitates many downstream network analytics tasks. For large networks, the trained embeddings often require a significant amount of space to store, making storage and processing a challenge. Building on our previous work on semisupervised network embedding, we develop d-SNEQ, a differentiable DNN-based quantization method for network embedding. d-SNEQ incorporates a rank loss to equip the learned quantization codes with rich high-order information and is able to substantially compress the size of trained embeddings, thus reducing storage footprint and accelerating retrieval speed. We also propose a new evaluation metric, path prediction, to fairly and more directly evaluate the model performance on the preservation of high-order information. Our evaluation on four real-world networks of diverse characteristics shows that \sys outperforms a number of state-of-the-art embedding methods in link prediction, path prediction, node classification, and node recommendation while being far more space- and time-efficient.
Keyword:
Quantization (signal)
Codes
Task analysis
Measurement
Predictive models
Computer vision
Semantics
Network embedding
path prediction
quantization
semisupervised learning
期刊
IF:
8.9
论文数:
7.6K
被引数:
7.2W
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