Search Results for author: Xiaobao Wu

Found 5 papers, 1 papers with code

Mitigating Data Sparsity for Short Text Topic Modeling by Topic-Semantic Contrastive Learning

no code implementations23 Nov 2022 Xiaobao Wu, Anh Tuan Luu, Xinshuai Dong

To overcome the data sparsity issue in short text topic modeling, existing methods commonly rely on data augmentation or the data characteristic of short texts to introduce more word co-occurrence information.

Contrastive Learning Data Augmentation

Adaptive Contrastive Learning on Multimodal Transformer for Review Helpfulness Predictions

no code implementations7 Nov 2022 Thong Nguyen, Xiaobao Wu, Anh-Tuan Luu, Cong-Duy Nguyen, Zhen Hai, Lidong Bing

To overcome the aforementioned issues, we propose Multimodal Contrastive Learning for Multimodal Review Helpfulness Prediction (MRHP) problem, concentrating on mutual information between input modalities to explicitly elaborate cross-modal relations.

Contrastive Learning

Vision-and-Language Pretraining

no code implementations5 Jul 2022 Thong Nguyen, Cong-Duy Nguyen, Xiaobao Wu, Anh Tuan Luu

Inheriting the spirit of Transfer Learning, research works in V&L have devised multiple pretraining techniques on large-scale datasets in order to enhance the performance of downstream tasks.

Image Classification Machine Translation +4

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