Search Results for author: Maoying Qiao

Found 7 papers, 2 papers with code

Graph Convolutional Neural Networks with Diverse Negative Samples via Decomposed Determinant Point Processes

1 code implementation5 Dec 2022 Wei Duan, Junyu Xuan, Maoying Qiao, Jie Lu

However, there are more non-neighbour nodes in the whole graph, which provide diverse and useful information for the representation update.

Computational Efficiency Graph Representation Learning +2

Learning from the Dark: Boosting Graph Convolutional Neural Networks with Diverse Negative Samples

1 code implementation3 Oct 2022 Wei Duan, Junyu Xuan, Maoying Qiao, Jie Lu

An interesting way to understand GCNs is to think of them as a message passing mechanism where each node updates its representation by accepting information from its neighbours (also known as positive samples).

Representation Learning

Repulsive Mixture Models of Exponential Family PCA for Clustering

no code implementations7 Apr 2020 Maoying Qiao, Tongliang Liu, Jun Yu, Wei Bian, DaCheng Tao

To alleviate this problem, in this paper, a repulsiveness-encouraging prior is introduced among mixing components and a diversified EPCA mixture (DEPCAM) model is developed in the Bayesian framework.

Clustering

Detecting Communities in Heterogeneous Multi-Relational Networks:A Message Passing based Approach

no code implementations6 Apr 2020 Maoying Qiao, Jun Yu, Wei Bian, DaCheng Tao

Specifically, an HMRNet is reorganized into a hierarchical structure with homogeneous networks as its layers and heterogeneous links connecting them.

Community Detection

Diversified Hidden Markov Models for Sequential Labeling

no code implementations5 Apr 2019 Maoying Qiao, Wei Bian, Richard Yida Xu, DaCheng Tao

While the first-order Hidden Markov Models (HMM) provides a fundamental approach for unsupervised sequential labeling, the basic model does not show satisfying performance when it is directly applied to real world problems, such as part-of-speech tagging (PoS tagging) and optical character recognition (OCR).

Optical Character Recognition Optical Character Recognition (OCR) +3

Adapting Stochastic Block Models to Power-Law Degree Distributions

no code implementations5 Apr 2019 Maoying Qiao, Jun Yu, Wei Bian, Qiang Li, DaCheng Tao

Stochastic block models (SBMs) have been playing an important role in modeling clusters or community structures of network data.

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