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Creation of large-scale databases for Visual Question Answering tasks pertaining to the text data in a scene (text-VQA) involves skilful human annotation, which is tedious and challenging. With the advent of foundation models that handle…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Soham Joshi , Shwet Kamal Mishra , Viswanath Gopalakrishnan

In this paper, we present our work on the BioASQ pipeline. The goal is to answer four types of questions: summary, yes/no, factoids, and list. Our goal is to empirically evaluate different modules involved: the feature extractor and the…

Computation and Language · Computer Science 2021-05-31 Ankit Shah , Srishti Singh , Shih-Yen Tao

Evaluating Retrieval-Augmented Generation (RAG) systems remains a challenging task: existing metrics often collapse heterogeneous behaviors into single scores and provide little insight into whether errors arise from retrieval,reasoning, or…

Computation and Language · Computer Science 2026-01-09 Keerthana Murugaraj , Salima Lamsiyah , Martin Theobald

Proprietary corporate documents contain rich domain-specific knowledge, but their overwhelming volume and disorganized structure make it difficult even for employees to access the right information when needed. For example, in the…

Artificial Intelligence · Computer Science 2025-08-28 Nayoung Choi , Grace Byun , Andrew Chung , Ellie S. Paek , Shinsun Lee , Jinho D. Choi

We present a two-phase vision-language QA system for autonomous driving that answers high-level perception, prediction, and planning questions. In Phase-1, a large multimodal LLM (Qwen2.5-VL-32B) is conditioned on six-camera inputs, a short…

Computer Vision and Pattern Recognition · Computer Science 2025-10-23 Seungjun Yu , Junsung Park , Youngsun Lim , Hyunjung Shim

As the basis of generative AI, an autoregressive model requires the generation of a new token depending on all the previously generated tokens, which brings high quality but also restricts the model to generate tokens one by one, forming a…

Computation and Language · Computer Science 2025-07-02 Zixian Huang , Chenxu Niu , Yu Gu , Gengyang Xiao , Xinwei Huang , Gong Cheng

Computer Aided Design (CAD) engineers typically do not achieve their best prototypes in a single attempt. Instead, they iterate and refine their designs to achieve an optimal solution through multiple revisions. This traditional approach,…

Machine Learning · Computer Science 2024-06-05 Akshay Badagabettu , Sai Sravan Yarlagadda , Amir Barati Farimani

Large language models (LLMs) are very costly and inefficient to update with new information. To address this limitation, retrieval-augmented generation (RAG) has been proposed as a solution that dynamically incorporates external knowledge…

Computation and Language · Computer Science 2025-07-10 Sezen Perçin , Xin Su , Qutub Sha Syed , Phillip Howard , Aleksei Kuvshinov , Leo Schwinn , Kay-Ulrich Scholl

This paper is concerned with open-domain question answering (i.e., OpenQA). Recently, some works have viewed this problem as a reading comprehension (RC) task, and directly applied successful RC models to it. However, the performances of…

Computation and Language · Computer Science 2019-01-15 Liang Pang , Yanyan Lan , Jiafeng Guo , Jun Xu , Lixin Su , Xueqi Cheng

Large language models augmented with task-relevant documents have demonstrated impressive performance on knowledge-intensive tasks. However, regarding how to obtain effective documents, the existing methods are mainly divided into two…

Computation and Language · Computer Science 2023-10-10 Zhangyin Feng , Xiaocheng Feng , Dezhi Zhao , Maojin Yang , Bing Qin

Existing pipelined task-oriented dialogue systems usually have difficulties adapting to unseen domains, whereas end-to-end systems are plagued by large-scale knowledge bases in practice. In this paper, we introduce a novel query-driven…

Computation and Language · Computer Science 2022-10-17 Xin Tian , Yingzhan Lin , Mengfei Song , Siqi Bao , Fan Wang , Huang He , Shuqi Sun , Hua Wu

We develop a unified system to answer directly from text open-domain questions that may require a varying number of retrieval steps. We employ a single multi-task transformer model to perform all the necessary subtasks -- retrieving…

Computation and Language · Computer Science 2021-11-01 Peng Qi , Haejun Lee , Oghenetegiri "TG" Sido , Christopher D. Manning

We propose Confidence-guided Refinement Reasoning (C2R), a novel training-free framework applicable to question-answering (QA) tasks across text, image, and video domains. C2R strategically constructs and refines sub-questions and their…

Computation and Language · Computer Science 2025-09-26 Youwon Jang , Woo Suk Choi , Minjoon Jung , Minsu Lee , Byoung-Tak Zhang

Search-integrated reasoning enables language agents to transcend static parametric knowledge by actively querying external sources. However, training these agents via reinforcement learning is hindered by the multi-scale credit assignment…

Artificial Intelligence · Computer Science 2026-02-04 Bowei He , Minda Hu , Zenan Xu , Hongru Wang , Licheng Zong , Yankai Chen , Chen Ma , Xue Liu , Pluto Zhou , Irwin King

Retrieval-Augmented Generation (RAG) has emerged as a powerful architecture for combining the precision of retrieval systems with the fluency of large language models. While several studies have investigated RAG pipelines for high-resource…

Retrieval-augmented generation (RAG) pipelines have become the de-facto approach for building AI assistants with access to external, domain-specific knowledge. Given a user query, RAG pipelines typically first retrieve (R) relevant…

Human-Computer Interaction · Computer Science 2025-04-21 Quentin Romero Lauro , Shreya Shankar , Sepanta Zeighami , Aditya Parameswaran

Corporate credit underwriting requires analysts to extract actionable evidence from long, heterogeneous financial documents spanning hundreds of pages and multiple languages. Standard Retrieval-Augmented Generation (RAG) pipelines optimize…

Computation and Language · Computer Science 2026-05-21 Linus Ng Junjia , Ezekiel Tee Kongquan , Kelvin Heng , Kenneth Zhu Ke , Zhao Jing Yuan

Recent advances in Text-to-3D (T23D) generative models have enabled the synthesis of diverse, high-fidelity 3D assets from textual prompts. However, existing challenges restrict the development of reliable T23D quality assessment (T23DQA).…

Computer Vision and Pattern Recognition · Computer Science 2025-11-06 Bingyang Cui , Yujie Zhang , Qi Yang , Zhu Li , Yiling Xu

This paper introduces an innovative approach using Retrieval-Augmented Generation (RAG) pipelines with Large Language Models (LLMs) to enhance information retrieval and query response systems for university-related question answering. By…

Information Retrieval · Computer Science 2024-12-03 Arshia Hemmat , Kianoosh Vadaei , Mohammad Hassan Heydari , Afsaneh Fatemi

Recent advancements in open-domain question answering (ODQA), i.e., finding answers from large open-domain corpus like Wikipedia, have led to human-level performance on many datasets. However, progress in QA over book stories (Book QA) lags…

Computation and Language · Computer Science 2021-06-08 Xiangyang Mou , Chenghao Yang , Mo Yu , Bingsheng Yao , Xiaoxiao Guo , Saloni Potdar , Hui Su