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Applying existing question answering (QA) systems to specialized domains like law and finance presents challenges that necessitate domain expertise. Although large language models (LLMs) have shown impressive language comprehension and…

Computation and Language · Computer Science 2023-10-24 Vaibhav Mavi , Abulhair Saparov , Chen Zhao

Closed-book question answering (QA) requires a model to directly answer an open-domain question without access to any external knowledge. Prior work on closed-book QA either directly finetunes or prompts a pretrained language model (LM) to…

Computation and Language · Computer Science 2023-04-28 Dan Su , Mostofa Patwary , Shrimai Prabhumoye , Peng Xu , Ryan Prenger , Mohammad Shoeybi , Pascale Fung , Anima Anandkumar , Bryan Catanzaro

Question-Answering (QA) models for low-resource languages like Bangla face challenges due to limited annotated data and linguistic complexity. A key issue is determining whether models rely more on pre-encoded (parametric) knowledge or…

Computation and Language · Computer Science 2026-02-03 Umme Abira Azmary , MD Ikramul Kayes , Swakkhar Shatabda , Farig Yousuf Sadeque

Neural models for question answering (QA) over documents have achieved significant performance improvements. Although effective, these models do not scale to large corpora due to their complex modeling of interactions between the document…

Computation and Language · Computer Science 2018-05-22 Sewon Min , Victor Zhong , Richard Socher , Caiming Xiong

Question Answering (QA) tasks requiring information from multiple documents often rely on a retrieval model to identify relevant information for reasoning. The retrieval model is typically trained to maximize the likelihood of the labeled…

Computation and Language · Computer Science 2021-09-10 Ansong Ni , Matt Gardner , Pradeep Dasigi

Users often assume that large language models (LLMs) share their cognitive alignment of context and intent, leading them to omit critical information in question-answering (QA) and produce ambiguous queries. Responses based on misaligned…

Computation and Language · Computer Science 2025-09-12 Zongxi Li , Yang Li , Haoran Xie , S. Joe Qin

We tackle the problem of weakly-supervised conversational Question Answering over large Knowledge Graphs using a neural semantic parsing approach. We introduce a new Logical Form (LF) grammar that can model a wide range of queries on the…

Computation and Language · Computer Science 2021-09-02 Pierre Marion , Paweł Krzysztof Nowak , Francesco Piccinno

Visual Question Answering (VQA) is the task of answering questions based on image content. Building upon this, Knowledge-Based VQA (KB-VQA) requires models to answer questions that depend on external knowledge beyond the visual content of…

Information Retrieval · Computer Science 2026-04-08 Wei Ye , Yixin Su , Yueguo Chen , Longxiang Gao , Jianjun Li , Ruixuan Li , Rui Zhang

Multimodal large language models (MLLMs) have demonstrated great performance on visual question answering (VQA). When it comes to knowledge-based Visual Question Answering (KB-VQA), MLLMs may lack the specialized domain knowledge needed to…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Weixi Weng , Jieming Zhu , Xiaojun Meng , Hao Zhang , Rui Zhang , Chun Yuan

Pseudo relevance feedback (PRF) automatically performs query expansion based on top-retrieved documents to better represent the user's information need so as to improve the search results. Previous PRF methods mainly select expansion terms…

Information Retrieval · Computer Science 2021-11-17 Handong Ma , Jiawei Hou , Chenxu Zhu , Weinan Zhang , Ruiming Tang , Jincai Lai , Jieming Zhu , Xiuqiang He , Yong Yu

Visual Question Answering (VQA) deep-learning systems tend to capture superficial statistical correlations in the training data because of strong language priors and fail to generalize to test data with a significantly different…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Jialin Wu , Raymond J. Mooney

As Large Language Models (LLMs) continue to evolve, more are being designed to handle long-context inputs. Despite this advancement, most of them still face challenges in accurately handling long-context tasks, often showing the "lost in…

Computation and Language · Computer Science 2024-12-13 Yijiong Yu , Yongfeng Huang , Zhixiao Qi , Zhe Zhou

Vision language models can now generate long-form answers to questions about images - long-form visual question answers (LFVQA). We contribute VizWiz-LF, a dataset of long-form answers to visual questions posed by blind and low vision (BLV)…

Computation and Language · Computer Science 2025-07-28 Mina Huh , Fangyuan Xu , Yi-Hao Peng , Chongyan Chen , Hansika Murugu , Danna Gurari , Eunsol Choi , Amy Pavel

Knowledge base question answering (KBQA) is a challenging task that aims to retrieve correct answers from large-scale knowledge bases. Existing attempts primarily focus on entity representation and final answer reasoning, which results in…

Computation and Language · Computer Science 2023-05-26 Yong Cao , Xianzhi Li , Huiwen Liu , Wen Dai , Shuai Chen , Bin Wang , Min Chen , Daniel Hershcovich

Automatic question generation can benefit many applications ranging from dialogue systems to reading comprehension. While questions are often asked with respect to long documents, there are many challenges with modeling such long documents.…

Computation and Language · Computer Science 2019-10-24 Luu Anh Tuan , Darsh J Shah , Regina Barzilay

Accurate evaluation of financial question answering (QA) systems necessitates a comprehensive dataset encompassing diverse question types and contexts. However, current financial QA datasets lack scope diversity and question complexity.…

Computation and Language · Computer Science 2025-03-04 Jian Chen , Peilin Zhou , Yining Hua , Yingxin Loh , Kehui Chen , Ziyuan Li , Bing Zhu , Junwei Liang

Large Language Models (LLMs) have made significant strides in natural language processing and generation, yet their ability to handle long-context input remains constrained by the quadratic complexity of attention computation and…

Computation and Language · Computer Science 2025-06-16 Manlai Liang , Wanyi Huang , Mandi Liu , Huaijun Li , Jinlong Li

Visual question answering (VQA) has been gaining a lot of traction in the machine learning community in the recent years due to the challenges posed in understanding information coming from multiple modalities (i.e., images, language). In…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Muralikrishnna G. Sethuraman , Ali Payani , Faramarz Fekri , J. Clayton Kerce

Textbook question answering (TQA) is a challenging task in artificial intelligence due to the complex nature of context needed to answer complex questions. Although previous research has improved the task, there are still some limitations…

Computation and Language · Computer Science 2025-01-23 Hessa Abdulrahman Alawwad , Areej Alhothali , Usman Naseem , Ali Alkhathlan , Amani Jamal

Legal question answering (QA) has attracted increasing attention from people seeking legal advice, which aims to retrieve the most applicable answers from a large-scale database of question-answer pairs. Previous methods mainly use a…

Computation and Language · Computer Science 2024-12-30 Shiwen Ni , Hao Cheng , Min Yang