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Related papers: Variational Open-Domain Question Answering

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In this paper, we consider the problem of open-vocabulary semantic segmentation (OVS), which aims to segment objects of arbitrary classes instead of pre-defined, closed-set categories. The main contributions are as follows: First, we…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Jilan Xu , Junlin Hou , Yuejie Zhang , Rui Feng , Yi Wang , Yu Qiao , Weidi Xie

Despite the advancements made in Vision Large Language Models (VLLMs), like text Large Language Models (LLMs), they have limitations in addressing questions that require real-time information or are knowledge-intensive. Indiscriminately…

Computation and Language · Computer Science 2025-08-26 Zhuo Chen , Xinyu Wang , Yong Jiang , Zhen Zhang , Xinyu Geng , Pengjun Xie , Fei Huang , Kewei Tu

Document Visual Question Answering (DocVQA) is a practical yet challenging task, which is to ask questions based on documents while referring to multiple pages and different modalities of information, e.g, images and tables. To handle…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Chelsi Jain , Yiran Wu , Yifan Zeng , Jiale Liu , S hengyu Dai , Zhenwen Shao , Qingyun Wu , Huazheng Wang

Motivated by the success of pre-trained language models such as BERT in a broad range of natural language processing (NLP) tasks, recent research efforts have been made for adapting these models for different application domains. Along this…

Computation and Language · Computer Science 2021-12-07 Denghui Zhang , Zixuan Yuan , Yanchi Liu , Hao Liu , Fuzhen Zhuang , Hui Xiong , Haifeng Chen

While large language models (LLMs) have significantly advanced mathematical reasoning, Process Reward Models (PRMs) have been developed to evaluate the logical validity of reasoning steps. However, PRMs still struggle with…

Artificial Intelligence · Computer Science 2025-02-21 Jiachen Zhu , Congmin Zheng , Jianghao Lin , Kounianhua Du , Ying Wen , Yong Yu , Jun Wang , Weinan Zhang

The nature of diversity in real-world environments necessitates neural network models to expand from closed category settings to accommodate novel emerging categories. In this paper, we study the open-vocabulary object detection (OVD),…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Sunyuan Qiang , Xianfei Li , Yanyan Liang , Wenlong Liao , Tao He , Pai Peng

Conversational agents are usually designed for closed-world environments. Unfortunately, users can behave unexpectedly. Based on the open-world environment, we often encounter the situation that the training and test data are sampled from…

Computation and Language · Computer Science 2022-04-25 Petr Lorenc , Tommaso Gargiani , Jan Pichl , Jakub Konrád , Petr Marek , Ondřej Kobza , Jan Šedivý

Existing studies typically investigate domain shift and category shift as independent problems, however, in real-world scenarios, the two types of shifts often occur simultaneously and interact, leading to significant degradation in…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yupeng Zhang , Ruize Han , Fangnan Zhou , Wei Feng , Liang Wan

Retrieving specific information from a large corpus of documents is a prevalent industrial use case of modern AI, notably due to the popularity of Retrieval-Augmented Generation (RAG) systems. Although neural document retrieval models have…

Information Retrieval · Computer Science 2025-12-17 Paul Teiletche , Quentin Macé , Max Conti , Antonio Loison , Gautier Viaud , Pierre Colombo , Manuel Faysse

Recently embedding-based retrieval or dense retrieval have shown state of the art results, compared with traditional sparse or bag-of-words based approaches. This paper introduces a model-agnostic doc-level embedding framework through large…

Information Retrieval · Computer Science 2024-04-10 Mingrui Wu , Sheng Cao

Traditional domain adaptation assumes the same vocabulary across source and target domains, which often struggles with limited transfer flexibility and efficiency while handling target domains with different vocabularies. Inspired by recent…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Jiaxing Huang , Jingyi Zhang , Han Qiu , Sheng Jin , Shijian Lu

Knowledge distillation offers a promising path to transfer reasoning capabilities from large teacher models to efficient student models; however, existing token-level on-policy distillation methods require token-level alignment between the…

Computation and Language · Computer Science 2026-01-30 Jing Xiong , Hui Shen , Shansan Gong , Yuxin Cheng , Jianghan Shen , Chaofan Tao , Haochen Tan , Haoli Bai , Lifeng Shang , Ngai Wong

Reinforcement learning from verifiable rewards (RLVR) suffers from sparse outcome signals, creating severe exploration bottlenecks on complex reasoning tasks. Recent on-policy self-distillation methods attempt to address this by utilizing…

Machine Learning · Computer Science 2026-05-20 Yang Li , Erik Nijkamp , Semih Yavuz , Shafiq Joty

Recent years have witnessed impressive results of pre-trained vision-language models on knowledge-intensive tasks such as visual question answering (VQA). Despite the recent advances in VQA, existing methods mainly adopt a discriminative…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Timothy Ossowski , Junjie Hu

Open-vocabulary segmentation aims to achieve segmentation of arbitrary categories given unlimited text inputs as guidance. To achieve this, recent works have focused on developing various technical routes to exploit the potential of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Yong Liu , SongLi Wu , Sule Bai , Jiahao Wang , Yitong Wang , Yansong Tang

Dialog response generation in open domain is an important research topic where the main challenge is to generate relevant and diverse responses. In this paper, we propose a new dialog pre-training framework called DialogVED, which…

Computation and Language · Computer Science 2022-11-01 Wei Chen , Yeyun Gong , Song Wang , Bolun Yao , Weizhen Qi , Zhongyu Wei , Xiaowu Hu , Bartuer Zhou , Yi Mao , Weizhu Chen , Biao Cheng , Nan Duan

In the era of large language models, applying techniques such as Retrieval Augmented Generation can better address Open-Domain Question-Answering problems. Due to constraints including model sizes and computing resources, the length of…

Computation and Language · Computer Science 2024-12-24 Zhuo Chen , Xinyu Wang , Yong Jiang , Pengjun Xie , Fei Huang , Kewei Tu

With the recent progress in large-scale vision and language representation learning, Vision Language Pre-training (VLP) models have achieved promising improvements on various multi-modal downstream tasks. Albeit powerful, these models have…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Jiahua Rao , Zifei Shan , Longpo Liu , Yao Zhou , Yuedong Yang

Open-vocabulary object detection (OVOD) enables models to detect any object category, including unseen ones. Benefiting from large-scale pre-training, existing OVOD methods achieve strong detection performance on general scenarios (e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Weihao Cao , Runqi Wang , Xiaoyue Duan , Jinchao Zhang , Ang Yang , Liping Jing

Retrieval Augment Generation (RAG) is a recent advancement in Open-Domain Question Answering (ODQA). RAG has only been trained and explored with a Wikipedia-based external knowledge base and is not optimized for use in other specialized…

Computation and Language · Computer Science 2024-10-08 Shamane Siriwardhana , Rivindu Weerasekera , Elliott Wen , Tharindu Kaluarachchi , Rajib Rana , Suranga Nanayakkara