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Large Language Models (LLMs) perform well in general QA but often struggle in domain-specific scenarios. Retrieval-Augmented Generation (RAG) introduces external knowledge but suffers from hallucinations and latency due to noisy retrievals.…

计算与语言 · 计算机科学 2025-09-19 Bolei He , Xinran He , Run Shao , Shanfu Shu , Xianwei Xue , Mingquan Cheng , Haifeng Li , Zhenhua Ling

Grounded Multimodal Named Entity Recognition (GMNER) extends traditional NER by jointly detecting textual mentions and grounding them to visual regions. While existing supervised methods achieve strong performance, they rely on costly…

信息检索 · 计算机科学 2025-11-13 Jielong Tang , Shuang Wang , Zhenxing Wang , Jianxing Yu , Jian Yin

Chain-of-thought has been proven essential for enhancing the complex reasoning abilities of Large Language Models (LLMs), but it also leads to high computational costs. Recent advances have explored the method to route queries among…

计算与语言 · 计算机科学 2025-12-05 Chenyang Shao , Xinyang Liu , Yutang Lin , Fengli Xu , Yong Li

Retrieval Augmented Generation (RAG) has greatly improved the performance of Large Language Model (LLM) responses by grounding generation with context from existing documents. These systems work well when documents are clearly relevant to a…

计算与语言 · 计算机科学 2024-05-29 Jialin Dong , Bahare Fatemi , Bryan Perozzi , Lin F. Yang , Anton Tsitsulin

Visual Place Recognition (VPR) estimates the location of query images by matching them with images in a reference database. Conventional methods generally adopt aggregated CNN features for global retrieval and RANSAC-based geometric…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Sijie Zhu , Linjie Yang , Chen Chen , Mubarak Shah , Xiaohui Shen , Heng Wang

Accurate 3D lane segment detection and topology reasoning are critical for structured online map construction in autonomous driving. Recent transformer-based approaches formulate this task as query-based set prediction, yet largely inherit…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Danny Abraham , Nikhil Kamalkumar Advani , Arun Das , Nikil Dutt

Retrieval-Augmented Generation (RAG) has become ubiquitous when deploying Large Language Models (LLMs), as it can address typical limitations such as generating hallucinated or outdated information. However, when building real-world RAG…

计算与语言 · 计算机科学 2025-07-18 Patrice Béchard , Orlando Marquez Ayala

Unlearning in large foundation models (e.g., LLMs) is essential for enabling dynamic knowledge updates, enforcing data deletion rights, and correcting model behavior. However, existing unlearning methods often require full-model fine-tuning…

机器学习 · 计算机科学 2025-12-09 Yezi Liu , Hanning Chen , Wenjun Huang , Yang Ni , Mohsen Imani

Reranker improves retrieval performance by capturing document interactions. At one extreme, graph-aware adaptive retrieval (GAR) represents an information-rich regime, requiring a pre-computed document similarity graph in reranking.…

信息检索 · 计算机科学 2025-12-23 Soyoung Yoon , Jongho Kim , Daeyong Kwon , Avishek Anand , Seung-won Hwang

Vision-centric retrieval for VQA requires retrieving images to supply missing visual cues and integrating them into the reasoning process. However, selecting the right images and integrating them effectively into the model's reasoning…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Zhuohong Chen , Zhengxian Wu , Zirui Liao , Shenao Jiang , Hangrui Xu , Yang Chen , Chaokui Su , Xiaoyu Liu , Haoqian Wang

Auto-encoder is an important architecture to understand point clouds in an encoding and decoding procedure of self reconstruction. Current auto-encoder mainly focuses on the learning of global structure by global shape reconstruction, while…

计算机视觉与模式识别 · 计算机科学 2019-08-05 Xinhai Liu , Zhizhong Han , Xin Wen , Yu-Shen Liu , Matthias Zwicker

Most deep reinforcement learning (RL) algorithms distill experience into parametric behavior policies or value functions via gradient updates. While effective, this approach has several disadvantages: (1) it is computationally expensive,…

Large Language Models (LLMs) have shown promising performance on diverse medical benchmarks, highlighting their potential in supporting real-world clinical tasks. Retrieval-Augmented Generation (RAG) has emerged as a key approach for…

计算与语言 · 计算机科学 2025-09-30 Kaishuai Xu , Wenjun Hou , Yi Cheng , Wenjie Li

Retrieval-Augmented Generation (RAG) mitigates hallucination in LLMs by incorporating external knowledge, but relies on chunk-based retrieval that lacks structural semantics. GraphRAG methods improve RAG by modeling knowledge as…

计算与语言 · 计算机科学 2025-07-30 Haoran Luo , Haihong E , Guanting Chen , Qika Lin , Yikai Guo , Fangzhi Xu , Zemin Kuang , Meina Song , Xiaobao Wu , Yifan Zhu , Luu Anh Tuan

The data-to-equation (Data2Eqn) task aims to discover interpretable mathematical equations that map observed values to labels, offering physical insights and broad applicability across academic and industrial domains. Genetic programming…

机器学习 · 计算机科学 2025-05-22 Wangyang Ying , Haoyue Bai , Nanxu Gong , Xinyuan Wang , Sixun Dong , Haifeng Chen , Yanjie Fu

Retrieval-Augmented Generation (RAG) struggles on long, structured financial filings where relevant evidence is sparse and cross-referenced. This paper presents a systematic investigation of advanced metadata-driven Retrieval-Augmented…

信息检索 · 计算机科学 2025-10-29 Michail Dadopoulos , Anestis Ladas , Stratos Moschidis , Ioannis Negkakis

Retrieval-Augmented Generation (RAG) enhances the factual grounding of Large Language Models by conditioning their outputs on external documents. However, standard embedding-based retrievers treat naturally structured corpora, such as…

We present the Frontier Aware Search with backTracking (FAST) Navigator, a general framework for action decoding, that achieves state-of-the-art results on the Room-to-Room (R2R) Vision-and-Language navigation challenge of Anderson et. al.…

计算与语言 · 计算机科学 2019-04-03 Liyiming Ke , Xiujun Li , Yonatan Bisk , Ari Holtzman , Zhe Gan , Jingjing Liu , Jianfeng Gao , Yejin Choi , Siddhartha Srinivasa

In large multimodal models (LMMs), the perception of non-language modalities (e.g., visual representations) is usually not on par with the large language models (LLMs)' powerful reasoning capabilities, deterring LMMs' performance on…

机器学习 · 计算机科学 2025-03-04 Zhongyang Li , Ziyue Li , Tianyi Zhou

Fine-tuning is an immensely resource-intensive process when retraining Large Language Models (LLMs) to incorporate a larger body of knowledge. Although many fine-tuning techniques have been developed to reduce the time and computational…

计算与语言 · 计算机科学 2025-08-01 Hruday Markondapatnaikuni , Basem Suleiman , Abdelkarim Erradi , Shijing Chen