Search Results for author: Zhiwei Zeng

Found 7 papers, 2 papers with code

Are ID Embeddings Necessary? Whitening Pre-trained Text Embeddings for Effective Sequential Recommendation

no code implementations16 Feb 2024 Lingzi Zhang, Xin Zhou, Zhiwei Zeng, Zhiqi Shen

Recent sequential recommendation models have combined pre-trained text embeddings of items with item ID embeddings to achieve superior recommendation performance.

Sequential Recommendation

HGAttack: Transferable Heterogeneous Graph Adversarial Attack

no code implementations18 Jan 2024 He Zhao, Zhiwei Zeng, Yongwei Wang, Deheng Ye, Chunyan Miao

Heterogeneous Graph Neural Networks (HGNNs) are increasingly recognized for their performance in areas like the web and e-commerce, where resilience against adversarial attacks is crucial.

Adversarial Attack

Efficient Cross-Task Prompt Tuning for Few-Shot Conversational Emotion Recognition

no code implementations23 Oct 2023 Yige Xu, Zhiwei Zeng, Zhiqi Shen

Emotion Recognition in Conversation (ERC) has been widely studied due to its importance in developing emotion-aware empathetic machines.

Computational Efficiency Emotion Recognition in Conversation

A Comprehensive Survey on Multimodal Recommender Systems: Taxonomy, Evaluation, and Future Directions

2 code implementations9 Feb 2023 HongYu Zhou, Xin Zhou, Zhiwei Zeng, Lingzi Zhang, Zhiqi Shen

Recommendation systems have become popular and effective tools to help users discover their interesting items by modeling the user preference and item property based on implicit interactions (e. g., purchasing and clicking).

Multimodal Recommendation

History-Aware Hierarchical Transformer for Multi-session Open-domain Dialogue System

no code implementations2 Feb 2023 Tong Zhang, Yong liu, Boyang Li, Zhiwei Zeng, Pengwei Wang, Yuan You, Chunyan Miao, Lizhen Cui

HAHT maintains a long-term memory of history conversations and utilizes history information to understand current conversation context and generate well-informed and context-relevant responses.

Bootstrap Latent Representations for Multi-modal Recommendation

2 code implementations13 Jul 2022 Xin Zhou, HongYu Zhou, Yong liu, Zhiwei Zeng, Chunyan Miao, Pengwei Wang, Yuan You, Feijun Jiang

Besides the user-item interaction graph, existing state-of-the-art methods usually use auxiliary graphs (e. g., user-user or item-item relation graph) to augment the learned representations of users and/or items.

Artificial Persuasion in Pedagogical Games

no code implementations23 Jan 2016 Zhiwei Zeng

With higher level of abstraction, the reusability of the quantitative model is also improved.

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