Search Results for author: Liangcai Gao

Found 19 papers, 9 papers with code

Cycle Invariant Positional Encoding for Graph Representation Learning

1 code implementation24 Nov 2023 Zuoyu Yan, Tengfei Ma, Liangcai Gao, Zhi Tang, Chao Chen, Yusu Wang

To efficiently encode the space of all cycles, we start with a cycle basis (i. e., a minimal set of cycles generating the cycle space) which we compute via the kernel of the 1-dimensional Hodge Laplacian of the input graph.

Graph Learning Graph Representation Learning

Recognition-Guided Diffusion Model for Scene Text Image Super-Resolution

no code implementations22 Nov 2023 Yuxuan Zhou, Liangcai Gao, Zhi Tang, Baole Wei

Scene Text Image Super-Resolution (STISR) aims to enhance the resolution and legibility of text within low-resolution (LR) images, consequently elevating recognition accuracy in Scene Text Recognition (STR).

Denoising Image Super-Resolution +1

Efficiently Counting Substructures by Subgraph GNNs without Running GNN on Subgraphs

1 code implementation19 Mar 2023 Zuoyu Yan, Junru Zhou, Liangcai Gao, Zhi Tang, Muhan Zhang

Among these works, a popular way is to use subgraph GNNs, which decompose the input graph into a collection of subgraphs and enhance the representation of the graph by applying GNN to individual subgraphs.

Graph Learning

Improving Table Structure Recognition with Visual-Alignment Sequential Coordinate Modeling

no code implementations CVPR 2023 Yongshuai Huang, Ning Lu, Dapeng Chen, Yibo Li, Zecheng Xie, Shenggao Zhu, Liangcai Gao, Wei Peng

The ablation study also validates that the proposed coordinate sequence decoder and the visual-alignment loss are the keys to the success of our method.

CoMER: Modeling Coverage for Transformer-based Handwritten Mathematical Expression Recognition

1 code implementation10 Jul 2022 Wenqi Zhao, Liangcai Gao

In this paper, we propose CoMER, a model that adopts the coverage information in the transformer decoder.

Neural Approximation of Graph Topological Features

1 code implementation28 Jan 2022 Zuoyu Yan, Tengfei Ma, Liangcai Gao, Zhi Tang, Yusu Wang, Chao Chen

Topological features based on persistent homology capture high-order structural information so as to augment graph neural network methods.

Graph Learning Graph Representation Learning +1

Cycle Representation Learning for Inductive Relation Prediction

1 code implementation6 Oct 2021 Zuoyu Yan, Tengfei Ma, Liangcai Gao, Zhi Tang, Chao Chen

In this paper, we consider rules as cycles and show that the space of cycles has a unique structure based on the mathematics of algebraic topology.

Graph Representation Learning Inductive Relation Prediction +1

MathBERT: A Pre-Trained Model for Mathematical Formula Understanding

no code implementations2 May 2021 Shuai Peng, Ke Yuan, Liangcai Gao, Zhi Tang

Large-scale pre-trained models like BERT, have obtained a great success in various Natural Language Processing (NLP) tasks, while it is still a challenge to adapt them to the math-related tasks.

Headline Generation Information Retrieval +4

Automatic Description Construction for Math Expression via Topic Relation Graph

no code implementations24 Apr 2021 Ke Yuan, Zuoyu Yan, Yibo Li, Liangcai Gao, Zhi Tang

In the Selector, a Topic Relation Graph (TRG) is proposed to obtain the relevant documents which contain the comprehensive information of math expressions.

Math Relation

Community-based Cyberreading for Information Understanding

no code implementations27 Mar 2021 Zhuoren Jiang, Xiaozhong Liu, Liangcai Gao, Zhi Tang

Although the content in scientific publications is increasingly challenging, it is necessary to investigate another important problem, that of scientific information understanding.

Learning-To-Rank

ConvMath: A Convolutional Sequence Network for Mathematical Expression Recognition

no code implementations23 Dec 2020 Zuoyu Yan, Xiaode Zhang, Liangcai Gao, Ke Yuan, Zhi Tang

Despite the recent advances in optical character recognition (OCR), mathematical expressions still face a great challenge to recognize due to their two-dimensional graphical layout.

Optical Character Recognition Optical Character Recognition (OCR)

Automatic Generation of Headlines for Online Math Questions

1 code implementation27 Nov 2019 Ke Yuan, Dafang He, Zhuoren Jiang, Liangcai Gao, Zhi Tang, C. Lee Giles

Compared to conventional summarization tasks, this task has two extra and essential constraints: 1) Detailed math questions consist of text and math equations which require a unified framework to jointly model textual and mathematical information; 2) Unlike text, math equations contain semantic and structural features, and both of them should be captured together.

Math

Cross-language Citation Recommendation via Hierarchical Representation Learning on Heterogeneous Graph

1 code implementation31 Dec 2018 Zhuoren Jiang, Yue Yin, Liangcai Gao, Yao Lu, Xiaozhong Liu

While the volume of scholarly publications has increased at a frenetic pace, accessing and consuming the useful candidate papers, in very large digital libraries, is becoming an essential and challenging task for scholars.

Citation Recommendation Representation Learning

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