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Audio Question Answering (AQA) constitutes a pivotal task in which machines analyze both audio signals and natural language questions to produce precise natural language answers. The significance of possessing high-quality, diverse, and…

Despite demonstrating impressive capabilities, Large Language Models (LLMs) still often struggle to accurately express the factual knowledge they possess, especially in cases where the LLMs' knowledge boundaries are ambiguous. To improve…

Computation and Language · Computer Science 2025-05-26 Boyang Xue , Fei Mi , Qi Zhu , Hongru Wang , Rui Wang , Sheng Wang , Erxin Yu , Xuming Hu , Kam-Fai Wong

Knowledge Bases (KBs) play a key role in various applications. As two representative KB-related tasks, knowledge base completion (KBC) and knowledge base question answering (KBQA) are closely related and inherently complementary with each…

Artificial Intelligence · Computer Science 2026-04-08 Yinan Liu , Dongying Lin , Sigang Luo , Xiaochun Yang , Bin Wang

Large Language Models (LLMs) have become essential in many Natural Language Processing (NLP) tasks, leveraging extensive pre-training and fine-tuning to achieve high accuracy. However, like humans, LLMs exhibit biases, particularly…

Computation and Language · Computer Science 2025-10-23 Bianca Raimondi , Maurizio Gabbrielli

A question-answering (QA) system is to search suitable answers within a knowledge base. Current QA systems struggle with queries requiring complex reasoning or real-time knowledge integration. They are often supplemented with retrieval…

Computation and Language · Computer Science 2025-05-21 Sizhe Yuen , Ting Su , Ziyang Wang , Yali Du , Adam J. Sobey

Large Language Models (LLMs) have demonstrated excellent performance on Machine Translation Quality Estimation (MTQE), yet their high inference costs make them impractical for direct application. In this work, we propose applying LLMs to…

Computation and Language · Computer Science 2026-03-12 Sidi Wang , Sophie Arnoult , Amir Kamran

A major challenge to the problem of community question answering is the lexical and semantic gap between the sentence representations. Some solutions to minimize this gap includes the introduction of extra parameters to deep models or…

Computation and Language · Computer Science 2018-01-23 Gaurav Bhatt , Shivam Sharma , Balasubramanian Raman

Multiple Choice Question (MCQ) tests are among the most used methods for evaluating large language models (LLMs). Besides checking the correctness of the selected answer, evaluations often consider the model's confidence through the…

Computation and Language · Computer Science 2026-05-05 Tairan Fu , Javier Conde , Gonzalo Martínez , María Grandury , Pedro Reviriego

Existing literature on Question Answering (QA) mostly focuses on algorithmic novelty, data augmentation, or increasingly large pre-trained language models like XLNet and RoBERTa. Additionally, a lot of systems on the QA leaderboards do not…

Computation and Language · Computer Science 2019-09-13 Lin Pan , Rishav Chakravarti , Anthony Ferritto , Michael Glass , Alfio Gliozzo , Salim Roukos , Radu Florian , Avirup Sil

Large language models (LLMs) achieve strong average performance yet remain unreliable at the instance level, with frequent hallucinations, brittle failures, and poorly calibrated confidence. We study reliability through the lens of…

Artificial Intelligence · Computer Science 2026-01-13 Pranav Kallem

Accurate and efficient question-answering systems are essential for delivering high-quality patient care in the medical field. While Large Language Models (LLMs) have made remarkable strides across various domains, they continue to face…

Computation and Language · Computer Science 2025-01-22 Hang Yang , Hao Chen , Hui Guo , Yineng Chen , Ching-Sheng Lin , Shu Hu , Jinrong Hu , Xi Wu , Xin Wang

Large Language Models (LLMs) have demonstrated strong reasoning capabilities across various tasks. However, even minor variations in query phrasing, despite preserving the underlying semantic meaning, can significantly affect their…

Computation and Language · Computer Science 2025-02-26 Yihang Yao , Zhepeng Cen , Miao Li , William Han , Yuyou Zhang , Emerson Liu , Zuxin Liu , Chuang Gan , Ding Zhao

Evaluating the output of generative large language models (LLMs) is challenging and difficult to scale. Many evaluations of LLMs focus on tasks such as single-choice question-answering or text classification. These tasks are not suitable…

Information Retrieval · Computer Science 2025-01-20 Sebastian Heineking , Jonas Probst , Daniel Steinbach , Martin Potthast , Harrisen Scells

The emergence of Large Language Models (LLMs) has boosted performance and possibilities in various NLP tasks. While the usage of generative AI models like ChatGPT opens up new opportunities for several business use cases, their current…

Computation and Language · Computer Science 2023-09-27 Matthias Engelbach , Dennis Klau , Felix Scheerer , Jens Drawehn , Maximilien Kintz

Accuracy of English-language Question Answering (QA) systems has improved significantly in recent years with the advent of Transformer-based models (e.g., BERT). These models are pre-trained in a self-supervised fashion with a large English…

Computation and Language · Computer Science 2022-04-13 Gokul Karthik Kumar , Abhishek Singh Gehlot , Sahal Shaji Mullappilly , Karthik Nandakumar

Large language models (LLMs) have shown impressive prowess in solving a wide range of tasks with world knowledge. However, it remains unclear how well LLMs are able to perceive their factual knowledge boundaries, particularly under…

Computation and Language · Computer Science 2024-11-20 Ruiyang Ren , Yuhao Wang , Yingqi Qu , Wayne Xin Zhao , Jing Liu , Hao Tian , Hua Wu , Ji-Rong Wen , Haifeng Wang

With advances in multimodal research and deep learning, Multimodal Large Language Models (MLLMs) have emerged as a powerful paradigm for a wide range of multimodal tasks. As a core problem in vision-language research, Visual Question…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Quanxing Xu , Ling Zhou , Xian Zhong , Xiaohua Huang , Rubing Huang , Chia-Wen Lin

Question-answering (QA) is an important application of Information Retrieval (IR) and language models, and the latest trend is toward pre-trained large neural networks with embedding parameters. Augmenting QA performances with these LLMs…

Information Retrieval · Computer Science 2024-11-05 Lixiao Yang , Mengyang Xu , Weimao Ke

Whereas the recent emergence of large language models (LLMs) like ChatGPT has exhibited impressive general performance, it still has a large gap with fully-supervised models on specific tasks such as multi-span question answering. Previous…

Computation and Language · Computer Science 2023-06-08 Zixian Huang , Jiaying Zhou , Gengyang Xiao , Gong Cheng

Large Language Models (LLMs) are prone to generating factually incorrect information when responding to queries that involve numerical and statistical data or other timely facts. In this paper, we present an approach for enhancing the…

Computation and Language · Computer Science 2024-09-24 Prashanth Radhakrishnan , Jennifer Chen , Bo Xu , Prem Ramaswami , Hannah Pho , Adriana Olmos , James Manyika , R. V. Guha
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