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Passage re-ranking is to obtain a permutation over the candidate passage set from retrieval stage. Re-rankers have been boomed by Pre-trained Language Models (PLMs) due to their overwhelming advantages in natural language understanding.…

信息检索 · 计算机科学 2022-04-26 Qian Dong , Yiding Liu , Suqi Cheng , Shuaiqiang Wang , Zhicong Cheng , Shuzi Niu , Dawei Yin

Graph recommendation methods, representing a connected interaction perspective, reformulate user-item interactions as graphs to leverage graph structure and topology to recommend and have proved practical effectiveness at scale. Large…

人工智能 · 计算机科学 2025-07-18 Xinyuan Wang , Liang Wu , Liangjie Hong , Hao Liu , Yanjie Fu

Attention mechanisms underpin the success of large language models (LLMs), yet their substantial computational and memory overhead poses challenges for optimizing efficiency and performance. A critical bottleneck arises as KV cache and…

计算与语言 · 计算机科学 2025-07-24 Luoyang Sun , Cheng Deng , Jiwen Jiang , Xinjian Wu , Haifeng Zhang , Lei Chen , Lionel Ni , Jun Wang

Large Language Models (LLMs) have demonstrated remarkable generalization and instruction-following capabilities with instruction tuning. The advancements in LLMs and instruction tuning have led to the development of Large Vision-Language…

机器学习 · 计算机科学 2024-11-05 Jinyoung Park , Minseong Bae , Dohwan Ko , Hyunwoo J. Kim

The use of knowledge graphs in recommender systems has become one of the common approaches to addressing data sparsity and cold start problems. Recent advances in large language models (LLMs) offer new possibilities for processing side and…

信息检索 · 计算机科学 2025-02-13 Minhye Jeon , Seokho Ahn , Young-Duk Seo

Large language models (LLMs) like ChatGPT, exhibit powerful zero-shot and instruction-following capabilities, have catalyzed a revolutionary transformation across diverse fields, especially for open-ended tasks. While the idea is less…

人工智能 · 计算机科学 2024-02-29 Mengmei Zhang , Mingwei Sun , Peng Wang , Shen Fan , Yanhu Mo , Xiaoxiao Xu , Hong Liu , Cheng Yang , Chuan Shi

Large Language Models (LLMs) have achieved impressive results in processing text data, which has sparked interest in applying these models beyond textual data, such as graphs. In the field of graph learning, there is a growing interest in…

人工智能 · 计算机科学 2024-10-10 Sheng Ouyang , Yulan Hu , Ge Chen , Yong Liu

Graph representation learning methods are highly effective in handling complex non-Euclidean data by capturing intricate relationships and features within graph structures. However, traditional methods face challenges when dealing with…

机器学习 · 计算机科学 2025-02-25 Hang Gao , Chenhao Zhang , Fengge Wu , Junsuo Zhao , Changwen Zheng , Huaping Liu

Existing benchmarks like NLGraph and GraphQA evaluate LLMs on graphs by focusing mainly on pairwise relationships, overlooking the high-order correlations found in real-world data. Hypergraphs, which can model complex beyond-pairwise…

人工智能 · 计算机科学 2024-10-17 Yifan Feng , Chengwu Yang , Xingliang Hou , Shaoyi Du , Shihui Ying , Zongze Wu , Yue Gao

Recommender systems (RS) have become essential tools for helping users efficiently navigate the overwhelming amount of information on e-commerce and social platforms. However, traditional RS relying on Collaborative Filtering (CF) struggles…

信息检索 · 计算机科学 2025-02-27 Mingdai Yang , Zhiwei Liu , Liangwei Yang , Xiaolong Liu , Chen Wang , Hao Peng , Philip S. Yu

How humans understand and recognize the actions of others is a complex neuroscientific problem that involves a combination of cognitive mechanisms and neural networks. Research has shown that humans have brain areas that recognize actions…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Haojun Xu , Yan Gao , Zheng Hui , Jie Li , Xinbo Gao

The growing trend of Large Language Models (LLM) development has attracted significant attention, with models for various applications emerging consistently. However, the combined application of Large Language Models with semantic…

计算与语言 · 计算机科学 2023-05-09 Milena Trajanoska , Riste Stojanov , Dimitar Trajanov

The burgeoning presence of Large Language Models (LLM) is propelling the development of personalized recommender systems. Most existing LLM-based methods fail to sufficiently explore the multi-view graph structure correlations inherent in…

信息检索 · 计算机科学 2025-07-30 Xu Guo , Tong Zhang , Yuanzhi Wang , Chenxu Wang , Fuyun Wang , Xudong Wang , Xiaoya Zhang , Xin Liu , Zhen Cui

Cross-modal reasoning (CMR), the intricate process of synthesizing and drawing inferences across divergent sensory modalities, is increasingly recognized as a crucial capability in the progression toward more sophisticated and…

计算与语言 · 计算机科学 2024-10-01 Shengsheng Qian , Zuyi Zhou , Dizhan Xue , Bing Wang , Changsheng Xu

Supervised fine-tuning (SFT) is a crucial step for large language models (LLMs), enabling them to align with human instructions and enhance their capabilities in downstream tasks. Increasing instruction data substantially is a direct…

Large language models (LLMs), such as GPT4 and LLaMA, are creating significant advancements in natural language processing, due to their strong text encoding/decoding ability and newly found emergent capability (e.g., reasoning). While LLMs…

计算与语言 · 计算机科学 2024-11-22 Bowen Jin , Gang Liu , Chi Han , Meng Jiang , Heng Ji , Jiawei Han

Graph Representation Learning (GRL) is an influential methodology, enabling a more profound understanding of graph-structured data and aiding graph clustering, a critical task across various domains. The recent incursion of attention…

机器学习 · 计算机科学 2023-08-15 Shuo Han , Jiacheng Liu , Jiayun Wu , Yinan Chen , Li Tao

Large language models appear to learn facts from the large text corpora they are trained on. Such facts are encoded implicitly within their many parameters, making it difficult to verify or manipulate what knowledge has been learned.…

计算与语言 · 计算机科学 2022-10-27 Yifan Hou , Wenxiang Jiao , Meizhen Liu , Carl Allen , Zhaopeng Tu , Mrinmaya Sachan

Though linguistic knowledge emerges during large-scale language model pretraining, recent work attempt to explicitly incorporate human-defined linguistic priors into task-specific fine-tuning. Infusing language models with syntactic or…

计算与语言 · 计算机科学 2022-10-25 Changlong Yu , Tianyi Xiao , Lingpeng Kong , Yangqiu Song , Wilfred Ng

While Large Language Models (LLMs) demonstrate exceptional performance in a multitude of Natural Language Processing (NLP) tasks, they encounter challenges in practical applications, including issues with hallucinations, inadequate…

计算与语言 · 计算机科学 2024-06-13 Yihao Li , Ru Zhang , Jianyi Liu