Search Results for author: Qijiong Liu

Found 21 papers, 9 papers with code

Boosting Deep CTR Prediction with a Plug-and-Play Pre-trainer for News Recommendation

1 code implementation COLING 2022 Qijiong Liu, Jieming Zhu, Quanyu Dai, Xiaoming Wu

We validate the effectiveness of PREC through both offline evaluation on public datasets and online A/B testing in an industrial application.

Click-Through Rate Prediction News Recommendation

NetSafe: Exploring the Topological Safety of Multi-agent Networks

no code implementations21 Oct 2024 Miao Yu, Shilong Wang, Guibin Zhang, Junyuan Mao, Chenlong Yin, Qijiong Liu, Qingsong Wen, Kun Wang, Yang Wang

Large language models (LLMs) have empowered nodes within multi-agent networks with intelligence, showing growing applications in both academia and industry.

Hallucination Misinformation

AI Can Be Cognitively Biased: An Exploratory Study on Threshold Priming in LLM-Based Batch Relevance Assessment

no code implementations24 Sep 2024 Nuo Chen, Jiqun Liu, Xiaoyu Dong, Qijiong Liu, Tetsuya Sakai, Xiao-Ming Wu

Our finding demonstrates that LLM%u2019s judgments, similar to human judgments, are also influenced by threshold priming biases, and suggests that researchers and system engineers should take into account potential human-like cognitive biases in designing, evaluating, and auditing LLMs in IR tasks and beyond.

Decision Making Information Retrieval

STORE: Streamlining Semantic Tokenization and Generative Recommendation with A Single LLM

no code implementations11 Sep 2024 Qijiong Liu, Jieming Zhu, Lu Fan, Zhou Zhao, Xiao-Ming Wu

In this paper, we propose to streamline the semantic tokenization and generative recommendation process with a unified framework, dubbed STORE, which leverages a single large language model (LLM) for both tasks.

Language Modelling Large Language Model +1

Node Identifiers: Compact, Discrete Representations for Efficient Graph Learning

no code implementations26 May 2024 Yuankai Luo, Hongkang Li, Qijiong Liu, Lei Shi, Xiao-Ming Wu

We present a novel end-to-end framework that generates highly compact (typically 6-15 dimensions), discrete (int4 type), and interpretable node representations, termed node identifiers (node IDs), to tackle inference challenges on large-scale graphs.

Computational Efficiency Graph Classification +6

Vector Quantization for Recommender Systems: A Review and Outlook

1 code implementation6 May 2024 Qijiong Liu, Xiaoyu Dong, Jiaren Xiao, Nuo Chen, Hengchang Hu, Jieming Zhu, Chenxu Zhu, Tetsuya Sakai, Xiao-Ming Wu

Finally, the survey analyzes the remaining challenges and anticipates future trends in VQ4Rec, including the challenges associated with the training of vector quantization, the opportunities presented by large language models, and emerging trends in multimodal recommender systems.

Feature Compression Quantization +2

CoST: Contrastive Quantization based Semantic Tokenization for Generative Recommendation

no code implementations23 Apr 2024 Jieming Zhu, mengqun Jin, Qijiong Liu, Zexuan Qiu, Zhenhua Dong, Xiu Li

Embedding-based retrieval serves as a dominant approach to candidate item matching for industrial recommender systems.

Decoder Language Modelling +3

Discrete Semantic Tokenization for Deep CTR Prediction

2 code implementations13 Mar 2024 Qijiong Liu, Hengchang Hu, Jiahao Wu, Jieming Zhu, Min-Yen Kan, Xiao-Ming Wu

Incorporating item content information into click-through rate (CTR) prediction models remains a challenge, especially with the time and space constraints of industrial scenarios.

Click-Through Rate Prediction News Recommendation

Benchmarking News Recommendation in the Era of Green AI

1 code implementation7 Mar 2024 Qijiong Liu, Jieming Zhu, Quanyu Dai, Xiao-Ming Wu

Over recent years, news recommender systems have gained significant attention in both academia and industry, emphasizing the need for a standardized benchmark to evaluate and compare the performance of these systems.

Benchmarking News Recommendation +1

Lightweight Modality Adaptation to Sequential Recommendation via Correlation Supervision

no code implementations14 Jan 2024 Hengchang Hu, Qijiong Liu, Chuang Li, Min-Yen Kan

Specifically, we introduce a novel method that enhances the learning of embeddings in SR through the supervision of modality correlations.

Knowledge Distillation Representation Learning +1

EasyGen: Easing Multimodal Generation with BiDiffuser and LLMs

1 code implementation13 Oct 2023 Xiangyu Zhao, Bo Liu, Qijiong Liu, Guangyuan Shi, Xiao-Ming Wu

We present EasyGen, an efficient model designed to enhance multimodal understanding and generation by harnessing the capabilities of diffusion models and large language models (LLMs), Unlike existing multimodal models that predominately depend on encoders like CLIP or ImageBind and need ample amounts of training data to bridge modalities, EasyGen leverages BiDiffuser, a bidirectional conditional diffusion model, to foster more efficient modality interactions.

multimodal generation Text Generation +1

Dataset Condensation for Recommendation

1 code implementation2 Oct 2023 Jiahao Wu, Wenqi Fan, Jingfan Chen, Shengcai Liu, Qijiong Liu, Rui He, Qing Li, Ke Tang

Specifically, we model the discrete user-item interactions via a probabilistic approach and design a pre-augmentation module to incorporate the potential preferences of users into the condensed datasets.

Dataset Condensation

Enhancing Graph Collaborative Filtering via Uniformly Co-Clustered Intent Modeling

no code implementations22 Sep 2023 Jiahao Wu, Wenqi Fan, Shengcai Liu, Qijiong Liu, Qing Li, Ke Tang

To model the compatibility between user intents and item properties, we design the user-item co-clustering module, maximizing the mutual information of co-clusters of users and items.

Collaborative Filtering

Only Encode Once: Making Content-based News Recommender Greener

no code implementations27 Aug 2023 Qijiong Liu, Jieming Zhu, Quanyu Dai, Xiao-Ming Wu

Large pretrained language models (PLM) have become de facto news encoders in modern news recommender systems, due to their strong ability in comprehending textual content.

News Recommendation Recommendation Systems +1

ONCE: Boosting Content-based Recommendation with Both Open- and Closed-source Large Language Models

3 code implementations11 May 2023 Qijiong Liu, Nuo Chen, Tetsuya Sakai, Xiao-Ming Wu

Personalized content-based recommender systems have become indispensable tools for users to navigate through the vast amount of content available on platforms like daily news websites and book recommendation services.

Navigate News Generation +3

Continual Graph Convolutional Network for Text Classification

no code implementations9 Apr 2023 Tiandeng Wu, Qijiong Liu, Yi Cao, Yao Huang, Xiao-Ming Wu, Jiandong Ding

Graph convolutional network (GCN) has been successfully applied to capture global non-consecutive and long-distance semantic information for text classification.

Contrastive Learning text-classification +1

FANS: Fast Non-Autoregressive Sequence Generation for Item List Continuation

1 code implementation2 Apr 2023 Qijiong Liu, Jieming Zhu, Jiahao Wu, Tiandeng Wu, Zhenhua Dong, Xiao-Ming Wu

Item list continuation is proposed to model the overall trend of a list and predict subsequent items.

Weak Supervision Enhanced Generative Network for Question Generation

no code implementations1 Jul 2019 Yutong Wang, Jiyuan Zheng, Qijiong Liu, Zhou Zhao, Jun Xiao, Yueting Zhuang

More specifically, we devise a discriminator, Relation Guider, to capture the relations between the whole passage and the associated answer and then the Multi-Interaction mechanism is deployed to transfer the knowledge dynamically for our question generation system.

Decoder Question Answering +2

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