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Related papers: Variational Open-Domain Question Answering

200 papers

Open-domain conversational question answering can be viewed as two tasks: passage retrieval and conversational question answering, where the former relies on selecting candidate passages from a large corpus and the latter requires better…

Computation and Language · Computer Science 2022-11-18 Hung-Chieh Fang , Kuo-Han Hung , Chao-Wei Huang , Yun-Nung Chen

Dense retrieval (DR) approaches based on powerful pre-trained language models (PLMs) achieved significant advances and have become a key component for modern open-domain question-answering systems. However, they require large amounts of…

Computation and Language · Computer Science 2022-08-08 Xiaoyu Shen , Svitlana Vakulenko , Marco del Tredici , Gianni Barlacchi , Bill Byrne , Adrià de Gispert

As the most fundamental scene understanding tasks, object detection and segmentation have made tremendous progress in deep learning era. Due to the expensive manual labeling cost, the annotated categories in existing datasets are often…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Chaoyang Zhu , Long Chen

This paper explores optimal data selection strategies for Reinforcement Learning with Verified Rewards (RLVR) training in the medical domain. While RLVR has shown exceptional potential for enhancing reasoning capabilities in large language…

Machine Learning · Computer Science 2025-04-22 Zhongxi Qiu , Zhang Zhang , Yan Hu , Heng Li , Jiang Liu

Most previous learning-based visual odometry (VO) methods take VO as a pure tracking problem. In contrast, we present a VO framework by incorporating two additional components called Memory and Refining. The Memory component preserves…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Fei Xue , Xin Wang , Shunkai Li , Qiuyuan Wang , Junqiu Wang , Hongbin Zha

Open-vocabulary semantic segmentation (OVSS) underpins many vision and robotics tasks that require generalizable semantic understanding. Existing approaches either rely on limited segmentation training data, which hinders generalization, or…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Omar Alama , Darshil Jariwala , Avigyan Bhattacharya , Seungchan Kim , Wenshan Wang , Sebastian Scherer

We apply a Transformer architecture, specifically BERT, to learn flexible and high quality molecular representations for drug discovery problems. We study the impact of using different combinations of self-supervised tasks for pre-training,…

Machine Learning · Computer Science 2020-11-30 Benedek Fabian , Thomas Edlich , Héléna Gaspar , Marwin Segler , Joshua Meyers , Marco Fiscato , Mohamed Ahmed

Despite the great promise of Transformers in many sequence modeling tasks (e.g., machine translation), their deterministic nature hinders them from generalizing to high entropy tasks such as dialogue response generation. Previous work…

Computation and Language · Computer Science 2020-03-31 Zhaojiang Lin , Genta Indra Winata , Peng Xu , Zihan Liu , Pascale Fung

Knowledge retrieval with multi-modal queries plays a crucial role in supporting knowledge-intensive multi-modal applications. However, existing methods face challenges in terms of their effectiveness and training efficiency, especially when…

Information Retrieval · Computer Science 2024-01-17 Xinwei Long , Jiali Zeng , Fandong Meng , Zhiyuan Ma , Kaiyan Zhang , Bowen Zhou , Jie Zhou

Video Anomaly Detection (VAD) identifies unusual activities in video streams, a key technology with broad applications ranging from surveillance to healthcare. Tackling VAD in real-life settings poses significant challenges due to the…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Shanle Yao , Ghazal Alinezhad Noghre , Armin Danesh Pazho , Hamed Tabkhi

Large-scale digitization initiatives have unlocked massive collections of historical newspapers, yet effective computational access remains hindered by OCR corruption, multilingual orthographic variation, and temporal language drift. We…

Digital Libraries · Computer Science 2025-12-16 Anthony Mudet , Souhail Bakkali

Multimodal Large Language Models (MLLMs) have recently received substantial interest, which shows their emerging potential as general-purpose models for various vision-language tasks. MLLMs involve significant external knowledge within…

Multimedia · Computer Science 2024-10-21 Muhe Ding , Yang Ma , Pengda Qin , Jianlong Wu , Yuhong Li , Liqiang Nie

We introduce AutoVER, an Autoregressive model for Visual Entity Recognition. Our model extends an autoregressive Multi-modal Large Language Model by employing retrieval augmented constrained generation. It mitigates low performance on…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Zilin Xiao , Ming Gong , Paola Cascante-Bonilla , Xingyao Zhang , Jie Wu , Vicente Ordonez

Several recent works seek to develop foundation models specifically for medical applications, adapting general-purpose large language models (LLMs) and vision-language models (VLMs) via continued pretraining on publicly available biomedical…

Computation and Language · Computer Science 2024-11-21 Daniel P. Jeong , Saurabh Garg , Zachary C. Lipton , Michael Oberst

Document Visual Question Answering (Document VQA) must cope with documents that span dozens of pages, yet leading systems still concatenate every page or rely on very large vision-language models, both of which are memory-hungry.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Eric López , Artemis Llabrés , Ernest Valveny

Vision-language retrieval-augmented generation (RAG) has become an effective approach for tackling Knowledge-Based Visual Question Answering (KB-VQA), which requires external knowledge beyond the visual content presented in images. The…

Information Retrieval · Computer Science 2025-09-15 Wei Yang , Jingjing Fu , Rui Wang , Jinyu Wang , Lei Song , Jiang Bian

Recent success of pre-trained foundation vision-language models makes Open-Vocabulary Segmentation (OVS) possible. Despite the promising performance, this approach introduces heavy computational overheads for two challenges: 1) large model…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Jingxuan Xu , Wuyang Chen , Yao Zhao , Yunchao Wei

We present Contextual Discourse Vectors (CDV), a distributed document representation for efficient answer retrieval from long healthcare documents. Our approach is based on structured query tuples of entities and aspects from free text and…

Computation and Language · Computer Science 2020-02-04 Sebastian Arnold , Betty van Aken , Paul Grundmann , Felix A. Gers , Alexander Löser

Open-vocabulary segmentation is the task of segmenting anything that can be named in an image. Recently, large-scale vision-language modelling has led to significant advances in open-vocabulary segmentation, but at the cost of gargantuan…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Laurynas Karazija , Iro Laina , Andrea Vedaldi , Christian Rupprecht

Learning robust vision models that perform well in out-of-distribution (OOD) situations is an important task for model deployment in real-world settings. Despite extensive research in this field, many proposed methods have only shown minor…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Gyuseong Lee , Wooseok Jang , Jinhyeon Kim , Jaewoo Jung , Seungryong Kim