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Knowledge transfer from a complex high performing model to a simpler and potentially low performing one in order to enhance its performance has been of great interest over the last few years as it finds applications in important problems…

机器学习 · 计算机科学 2022-09-09 Amit Dhurandhar , Tejaswini Pedapati

Knowledge tracing allows Intelligent Tutoring Systems to infer which topics or skills a student has mastered, thus adjusting curriculum accordingly. Deep Learning based models like Deep Knowledge Tracing (DKT) and Dynamic Key-Value Memory…

机器学习 · 计算机科学 2021-01-28 Xinyi Ding , Eric C. Larson

Reinforcement Learning with Verifiable Rewards (RLVR) has been shown effective in enhancing the visual reflection and reasoning capabilities of Large Multimodal Models (LMMs). However, existing datasets are predominantly derived from either…

机器学习 · 计算机科学 2026-02-20 Haoxiang Sun , Lizhen Xu , Bing Zhao , Wotao Yin , Wei Wang , Boyu Yang , Rui Wang , Hu Wei

Question-answering datasets require a broad set of reasoning skills. We show how to use question decompositions to teach language models these broad reasoning skills in a robust fashion. Specifically, we use widely available QDMR…

计算与语言 · 计算机科学 2022-11-07 Harsh Trivedi , Niranjan Balasubramanian , Tushar Khot , Ashish Sabharwal

Most Reading Comprehension methods limit themselves to queries which can be answered using a single sentence, paragraph, or document. Enabling models to combine disjoint pieces of textual evidence would extend the scope of machine…

计算与语言 · 计算机科学 2018-06-12 Johannes Welbl , Pontus Stenetorp , Sebastian Riedel

Knowledge bases (KBs) are often incomplete and constantly changing in practice. Yet, in many question answering applications coupled with knowledge bases, the sparse nature of KBs is often overlooked. To this end, we propose a case-based…

While large language models exhibit remarkable performance in the Question Answering task, they are susceptible to hallucinations. Challenges arise when these models grapple with understanding multi-hop relations in complex questions or…

计算与语言 · 计算机科学 2023-11-14 Hejing Cao , Zhenwei An , Jiazhan Feng , Kun Xu , Liwei Chen , Dongyan Zhao

Multi-hop Question Answering (QA) is a challenging task because it requires precise reasoning with entity relations at every step towards the answer. The relations can be represented in terms of labels in knowledge graph (e.g.,…

计算与语言 · 计算机科学 2021-10-12 Jiaxin Shi , Shulin Cao , Lei Hou , Juanzi Li , Hanwang Zhang

Artificial intelligence has advanced in Medical Visual Question Answering (Med-VQA), but prevalent research tends to focus on the accuracy of the answers, often overlooking the reasoning paths and interpretability, which are crucial in…

计算机视觉与模式识别 · 计算机科学 2024-12-19 Jiaxiang Liu , Yuan Wang , Jiawei Du , Joey Tianyi Zhou , Zuozhu Liu

Composing knowledge from multiple pieces of texts is a key challenge in multi-hop question answering. We present a multi-hop reasoning dataset, Question Answering via Sentence Composition(QASC), that requires retrieving facts from a large…

计算与语言 · 计算机科学 2020-02-06 Tushar Khot , Peter Clark , Michal Guerquin , Peter Jansen , Ashish Sabharwal

We present an open-source and extensible knowledge extraction toolkit DeepKE, supporting complicated low-resource, document-level and multimodal scenarios in the knowledge base population. DeepKE implements various information extraction…

Though beneficial for encouraging the Visual Question Answering (VQA) models to discover the underlying knowledge by exploiting the input-output correlation beyond image and text contexts, the existing knowledge VQA datasets are mostly…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Qingxing Cao , Bailin Li , Xiaodan Liang , Keze Wang , Liang Lin

Complex question answering over knowledge base (Complex KBQA) is challenging because it requires various compositional reasoning capabilities, such as multi-hop inference, attribute comparison, set operation. Existing benchmarks have some…

计算与语言 · 计算机科学 2022-06-24 Shulin Cao , Jiaxin Shi , Liangming Pan , Lunyiu Nie , Yutong Xiang , Lei Hou , Juanzi Li , Bin He , Hanwang Zhang

Making inferences in text comprehension to understand the meaning is essential in language processing. This work studies the entailment verification (EV) problem of multi-sentence premises that requires a system to make multiple inferences…

计算与语言 · 计算机科学 2024-05-29 Soumya Sanyal , Tianyi Xiao , Jiacheng Liu , Wenya Wang , Xiang Ren

We describe a neural network model that jointly learns distributed representations of texts and knowledge base (KB) entities. Given a text in the KB, we train our proposed model to predict entities that are relevant to the text. Our model…

计算与语言 · 计算机科学 2017-11-08 Ikuya Yamada , Hiroyuki Shindo , Hideaki Takeda , Yoshiyasu Takefuji

Although pre-trained language models (PLMs) have achieved state-of-the-art performance on various natural language processing (NLP) tasks, they are shown to be lacking in knowledge when dealing with knowledge driven tasks. Despite the many…

计算与语言 · 计算机科学 2022-08-02 Qianglong Chen , Feng-Lin Li , Guohai Xu , Ming Yan , Ji Zhang , Yin Zhang

ChatGPT explores a strategic blueprint of question answering (QA) in delivering medical diagnosis, treatment recommendations, and other healthcare support. This is achieved through the increasing incorporation of medical domain data via…

计算与语言 · 计算机科学 2024-01-23 Qing Li , Lei Li , Yu Li

Existing work on augmenting question answering (QA) models with external knowledge (e.g., knowledge graphs) either struggle to model multi-hop relations efficiently, or lack transparency into the model's prediction rationale. In this paper,…

计算与语言 · 计算机科学 2020-09-21 Yanlin Feng , Xinyue Chen , Bill Yuchen Lin , Peifeng Wang , Jun Yan , Xiang Ren

Multi-hop Question Answering (QA) necessitates complex reasoning by integrating multiple pieces of information to resolve intricate questions. However, existing QA systems encounter challenges such as outdated information, context window…

计算与语言 · 计算机科学 2024-08-23 Xiaoming Zhang , Ming Wang , Xiaocui Yang , Daling Wang , Shi Feng , Yifei Zhang

Directly reading documents and being able to answer questions from them is an unsolved challenge. To avoid its inherent difficulty, question answering (QA) has been directed towards using Knowledge Bases (KBs) instead, which has proven…

计算与语言 · 计算机科学 2016-10-12 Alexander Miller , Adam Fisch , Jesse Dodge , Amir-Hossein Karimi , Antoine Bordes , Jason Weston