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We present a method to represent input texts by contextualizing them jointly with dynamically retrieved textual encyclopedic background knowledge from multiple documents. We apply our method to reading comprehension tasks by encoding…

Computation and Language · Computer Science 2021-07-14 Mandar Joshi , Kenton Lee , Yi Luan , Kristina Toutanova

As real-world knowledge evolves, the information embedded within large language models (LLMs) can become outdated, inadequate, or erroneous. Model editing has emerged as a prominent approach for updating LLMs' knowledge with minimal…

Computation and Language · Computer Science 2025-03-10 Guoxiu He , Xin Song , Aixin Sun

Large language models (LLMs) often struggle with knowledge-intensive tasks due to a lack of background knowledge and a tendency to hallucinate. To address these limitations, integrating knowledge graphs (KGs) with LLMs has been intensively…

Computation and Language · Computer Science 2025-06-13 Yilin Xiao , Chuang Zhou , Qinggang Zhang , Bo Li , Qing Li , Xiao Huang

In recent years, knowledge graphs have been integrated into recommender systems as item-side auxiliary information, enhancing recommendation accuracy. However, constructing and integrating structural user-side knowledge remains a…

Information Retrieval · Computer Science 2024-12-19 Zheng Hu , Zhe Li , Ziyun Jiao , Satoshi Nakagawa , Jiawen Deng , Shimin Cai , Tao Zhou , Fuji Ren

The complexity of knowledge production on complex systems is well-known, but there still lacks knowledge framework that would both account for a certain structure of knowledge production at an epistemological level and be directly…

Computers and Society · Computer Science 2017-06-29 Juste Raimbault

Conceptual Knowledge Markup Language (CKML) is an application of XML. Earlier versions of CKML followed rather exclusively the philosophy of Conceptual Knowledge Processing (CKP), a principled approach to knowledge representation and data…

Artificial Intelligence · Computer Science 2018-10-15 Robert E. Kent

Knowledge base (KB) completion aims to infer missing facts from existing ones in a KB. Among various approaches, path ranking (PR) algorithms have received increasing attention in recent years. PR algorithms enumerate paths between entity…

Computation and Language · Computer Science 2017-12-25 Sahisnu Mazumder , Bing Liu

Knowledge graphs have proven successful in integrating heterogeneous data across various domains. However, there remains a noticeable dearth of research on their seamless integration among heterogeneous recommender systems, despite…

Information Retrieval · Computer Science 2025-01-08 Junhyuk Kwon , Seokho Ahn , Young-Duk Seo

This paper introduces Knowledge Representation Augmented Generation (KRAG), a novel framework designed to enhance the capabilities of Large Language Models (LLMs) within domain-specific applications. KRAG points to the strategic inclusion…

Computation and Language · Computer Science 2024-10-11 Nguyen Ha Thanh , Ken Satoh

Conversational recommender systems (CRSs) often utilize external knowledge graphs (KGs) to introduce rich semantic information and recommend relevant items through natural language dialogues. However, original KGs employed in existing CRSs…

Artificial Intelligence · Computer Science 2022-12-26 Xiaoyu Zhang , Xin Xin , Dongdong Li , Wenxuan Liu , Pengjie Ren , Zhumin Chen , Jun Ma , Zhaochun Ren

Knowledge Graph embedding provides a versatile technique for representing knowledge. These techniques can be used in a variety of applications such as completion of knowledge graph to predict missing information, recommender systems,…

Information Retrieval · Computer Science 2021-07-19 Shivani Choudhary , Tarun Luthra , Ashima Mittal , Rajat Singh

Extensive knowledge graphs (KGs) have been constructed to facilitate knowledge-driven tasks across various scenarios. However, existing work usually develops separate reasoning models for different KGs, lacking the ability to generalize and…

Artificial Intelligence · Computer Science 2024-10-17 Yuanning Cui , Zequn Sun , Wei Hu

Large Language Models (LLMs) often struggle with producing factually consistent answers due to limitations in their parametric memory. Retrieval-Augmented Generation (RAG) paradigms mitigate this issue by incorporating external knowledge at…

Computation and Language · Computer Science 2026-05-05 Shanglin Wu , Lihui Liu , Jinho D. Choi , Kai Shu

Continual Structured Knowledge Reasoning (CSKR) focuses on training models to handle sequential tasks, where each task involves translating natural language questions into structured queries grounded in structured knowledge. Existing…

Computation and Language · Computer Science 2025-10-07 Yongrui Chen , Yi Huang , Yunchang Liu , Shenyu Zhang , Junhao He , Tongtong Wu , Guilin Qi , Tianxing Wu

We propose a novel approach for modeling semantic contextual relationships in videos. This graph-based model enables the learning and propagation of higher-level spatial-temporal contexts to facilitate the semantic labeling of local…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Tinghuai Wang , Huiling Wang

In this work, we aim at equipping pre-trained language models with structured knowledge. We present two self-supervised tasks learning over raw text with the guidance from knowledge graphs. Building upon entity-level masked language models,…

Computation and Language · Computer Science 2020-04-30 Tao Shen , Yi Mao , Pengcheng He , Guodong Long , Adam Trischler , Weizhu Chen

In the rapidly advancing realm of educational technology, it becomes critical to accurately trace and understand student knowledge states. Conventional Knowledge Tracing (KT) models have mainly focused on binary responses (i.e., correct and…

Artificial Intelligence · Computer Science 2024-08-26 Soonwook Park , Donghoon Lee , Hogun Park

Induction of common sense knowledge about prototypical sequences of events has recently received much attention. Instead of inducing this knowledge in the form of graphs, as in much of the previous work, in our method, distributed…

Machine Learning · Computer Science 2017-02-13 Ashutosh Modi , Ivan Titov

Large language models (LLMs) have transformed natural language processing (NLP), enabling diverse applications by integrating large-scale pre-trained knowledge. However, their static knowledge limits dynamic reasoning over external…

Computation and Language · Computer Science 2025-09-26 Harshad Khadilkar , Abhay Gupta

A case-based reasoning (CBR) system solves a new problem by retrieving `cases' that are similar to the given problem. If such a system can achieve high accuracy, it is appealing owing to its simplicity, interpretability, and scalability. In…

Computation and Language · Computer Science 2020-10-12 Rajarshi Das , Ameya Godbole , Nicholas Monath , Manzil Zaheer , Andrew McCallum