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Question answering over knowledge bases (KBQA) has become a popular approach to help users extract information from knowledge bases. Although several systems exist, choosing one suitable for a particular application scenario is difficult.…

Computation and Language · Computer Science 2022-11-16 Khiem Vinh Tran , Hao Phu Phan , Khang Nguyen Duc Quach , Ngan Luu-Thuy Nguyen , Jun Jo , Thanh Tam Nguyen

Resolving knowledge conflicts is a crucial challenge in Question Answering (QA) tasks, as the internet contains numerous conflicting facts and opinions. While some research has made progress in tackling ambiguous settings where multiple…

Computation and Language · Computer Science 2024-10-30 Sagi Shaier , Ari Kobren , Philip Ogren

Industrial advertising question answering (QA) is a high-stakes task in which hallucinated content, particularly fabricated URLs, can lead to financial loss, compliance violations, and legal risk. Although Retrieval-Augmented Generation…

Computation and Language · Computer Science 2026-02-27 Wenwei Li , Ming Xu , Tianle Xia , Lingxiang Hu , Yiding Sun , Linfang Shang , Liqun Liu , Peng Shu , Huan Yu , Jie Jiang

We focus on multiple-choice question answering (QA) tasks in subject areas such as science, where we require both broad background knowledge and the facts from the given subject-area reference corpus. In this work, we explore simple yet…

Computation and Language · Computer Science 2019-10-03 Xiaoman Pan , Kai Sun , Dian Yu , Jianshu Chen , Heng Ji , Claire Cardie , Dong Yu

Mixed discrete-continuous optimization is central to engineering design, where discrete choices interact with continuous fields. These problems are difficult due to high-dimensional, complex search spaces. To tackle them, Quantum Annealing…

Computational Engineering, Finance, and Science · Computer Science 2026-03-19 Fabian Key , Lukas Freinberger , Mayu Muramatsu , Norbert Hosters

Building systems that can communicate with humans is a core problem in Artificial Intelligence. This work proposes a novel neural network architecture for response selection in an end-to-end multi-turn conversational dialogue setting. The…

Artificial Intelligence · Computer Science 2018-11-06 Debanjan Chaudhuri , Agustinus Kristiadi , Jens Lehmann , Asja Fischer

Memory is fundamental to intelligence, enabling learning, reasoning, and adaptability across biological and artificial systems. While Transformer architectures excel at sequence modeling, they face critical limitations in long-range context…

Machine Learning · Computer Science 2025-08-19 Parsa Omidi , Xingshuai Huang , Axel Laborieux , Bahareh Nikpour , Tianyu Shi , Armaghan Eshaghi

Large language models (LLMs) demonstrate remarkable capabilities but face challenges from hallucinations, which typically arise from insufficient knowledge or context. While instructing LLMs to acknowledge knowledge limitations by…

Computation and Language · Computer Science 2025-08-08 Jiaqi Li , Yixuan Tang , Yi Yang

Unsupervised Domain Adaptation (UDA) seeks to transfer knowledge from a labeled source domain to an unlabeled target domain but often suffers from severe domain and scale gaps that degrade performance. Existing cross-attention-based…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Zelin Zang , Yehui Yang , Fei Wang , Liangyu Li , Baigui Sun

Responding to the thousands of student questions on online QA platforms each semester has a considerable human cost, particularly in computing courses with rapidly growing enrollments. To address the challenges of scalable and intelligent…

Machine Learning · Computer Science 2023-12-20 Yann Hicke , Anmol Agarwal , Qianou Ma , Paul Denny

We present chain-of-knowledge (CoK), a novel framework that augments large language models (LLMs) by dynamically incorporating grounding information from heterogeneous sources. It results in more factual rationales and reduced hallucination…

Computation and Language · Computer Science 2024-02-22 Xingxuan Li , Ruochen Zhao , Yew Ken Chia , Bosheng Ding , Shafiq Joty , Soujanya Poria , Lidong Bing

Long-context question-answering (LCQA) systems have greatly benefited from the powerful reasoning capabilities of large language models (LLMs), which can be categorized into slow and quick reasoning modes. However, both modes have their…

Computation and Language · Computer Science 2025-04-01 Zhengyi Zhao , Shubo Zhang , Zezhong Wang , Bin Liang , Binyang Li , Kam-Fai Wong

Unsupervised Domain Adaptation (UDA) aims to transfer knowledge from a labeled source domain to an unlabeled target domain. Recent UDA methods based on Vision Transformers (ViTs) have achieved strong performance through attention-based…

Machine Learning · Computer Science 2025-06-24 Zelin Zang , Fei Wang , Liangyu Li , Jinlin Wu , Chunshui Zhao , Zhen Lei , Baigui Sun

Recent advancements in reasoning have significantly enhanced the capabilities of Large Language Models (LLMs) and Multimodal Large Language Models (MLLMs) across diverse tasks. However, excessive reliance on chain-of-thought (CoT) reasoning…

Computation and Language · Computer Science 2025-05-22 Jinghui Lu , Haiyang Yu , Siliang Xu , Shiwei Ran , Guozhi Tang , Siqi Wang , Bin Shan , Teng Fu , Hao Feng , Jingqun Tang , Han Wang , Can Huang

Ontology Matching (OM) is a cornerstone task of semantic interoperability, yet existing systems often rely on handcrafted rules or specialized models with limited adaptability. We present KROMA, a novel OM framework that harnesses Large…

Artificial Intelligence · Computer Science 2025-09-12 Lam Nguyen , Erika Barcelos , Roger French , Yinghui Wu

Leveraging external knowledge is crucial for achieving high performance in knowledge-intensive tasks, such as question answering. The retrieve-and-read approach is widely adopted for integrating external knowledge into a language model.…

Computation and Language · Computer Science 2024-06-10 Dongkyu Lee , Chandana Satya Prakash , Jack FitzGerald , Jens Lehmann

Question Answering (QA) is a task that entails reasoning over natural language contexts, and many relevant works augment language models (LMs) with graph neural networks (GNNs) to encode the Knowledge Graph (KG) information. However, most…

Computation and Language · Computer Science 2023-04-26 Jinyoung Park , Hyeong Kyu Choi , Juyeon Ko , Hyeonjin Park , Ji-Hoon Kim , Jisu Jeong , Kyungmin Kim , Hyunwoo J. Kim

Knowledge-based question answering (KBQA) is widely used in many scenarios that necessitate domain knowledge. Large language models (LLMs) bring opportunities to KBQA, while their costs are significantly higher and absence of…

Computation and Language · Computer Science 2024-05-28 Junnan Dong , Qinggang Zhang , Chuang Zhou , Hao Chen , Daochen Zha , Xiao Huang

Retrieval-Augmented Generation (RAG) compensates for the static knowledge limitations of Large Language Models (LLMs) by integrating external knowledge, producing responses with enhanced factual correctness and query-specific…

Computation and Language · Computer Science 2025-05-21 Ruobing Yao , Yifei Zhang , Shuang Song , Neng Gao , Chenyang Tu

This paper explores domain adaptation for enabling question answering (QA) systems to answer questions posed against documents in new specialized domains. Current QA systems using deep neural network (DNN) technology have proven effective…

Computation and Language · Computer Science 2019-11-11 Timothy J. Hazen , Shehzaad Dhuliawala , Daniel Boies