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Embedding based Knowledge Graph (KG) Completion has gained much attention over the past few years. Most of the current algorithms consider a KG as a multidirectional labeled graph and lack the ability to capture the semantics underlying the…

Artificial Intelligence · Computer Science 2024-07-12 Mehwish Alam , Frank van Harmelen , Maribel Acosta

Seeking dietary guidance often requires navigating complex professional knowledge while accommodating individual health conditions. Knowledge Graphs (KGs) offer structured and interpretable nutritional information, whereas Large Language…

Human-Computer Interaction · Computer Science 2025-04-22 Fan Gao , Xinjie Zhao , Ding Xia , Zhongyi Zhou , Rui Yang , Jinghui Lu , Hang Jiang , Chanjun Park , Irene Li

The problem of answering questions using knowledge from pre-trained language models (LMs) and knowledge graphs (KGs) presents two challenges: given a QA context (question and answer choice), methods need to (i) identify relevant knowledge…

Computation and Language · Computer Science 2022-12-14 Michihiro Yasunaga , Hongyu Ren , Antoine Bosselut , Percy Liang , Jure Leskovec

Recommendation systems aim to provide users with relevant suggestions, but often lack interpretability and fail to capture higher-level semantic relationships between user behaviors and profiles. In this paper, we propose a novel approach…

Information Retrieval · Computer Science 2024-01-26 Yan Wang , Zhixuan Chu , Xin Ouyang , Simeng Wang , Hongyan Hao , Yue Shen , Jinjie Gu , Siqiao Xue , James Y Zhang , Qing Cui , Longfei Li , Jun Zhou , Sheng Li

Selecting a solution algorithm for the Facility Layout Problem (FLP), an NP-hard optimization problem with multiobjective trade-off, is a complex task that requires deep expert knowledge. The performance of a given algorithm depends on the…

Information Retrieval · Computer Science 2025-12-17 Nikhil N S , Bilal Muhammed , Soban Babu Beemaraj , Amol Dilip Joshi

The `pre-train, prompt, predict' paradigm of large language models (LLMs) has achieved remarkable success in open-domain question answering (OD-QA). However, few works explore this paradigm in the scenario of multi-document question…

Computation and Language · Computer Science 2023-12-27 Yu Wang , Nedim Lipka , Ryan A. Rossi , Alexa Siu , Ruiyi Zhang , Tyler Derr

In modern digital marketing, the growing complexity of advertisement data demands intelligent systems capable of understanding semantic relationships among products, audiences, and advertising content. To address this challenge, this paper…

Information Retrieval · Computer Science 2026-01-06 Tangtang Wang , Kaijie Zhang , Kuangcong Liu

Knowledge graphs (KGs) are commonly used as side information to enhance collaborative signals and improve recommendation quality. In the context of knowledge-aware recommendation (KGR), graph neural networks (GNNs) have emerged as promising…

Information Retrieval · Computer Science 2023-08-16 Yi Liu , Hongrui Xuan , Bohan Li , Meng Wang , Tong Chen , Hongzhi Yin

Electronic Health Records (EHRs) and routine documentation practices play a vital role in patients' daily care, providing a holistic record of health, diagnoses, and treatment. However, complex and verbose EHR narratives overload healthcare…

Computation and Language · Computer Science 2025-02-26 Yanjun Gao , Ruizhe Li , Emma Croxford , John Caskey , Brian W Patterson , Matthew Churpek , Timothy Miller , Dmitriy Dligach , Majid Afshar

Integrating structured knowledge from Knowledge Graphs (KGs) into Large Language Models (LLMs) remains a key challenge for symbolic reasoning. Existing methods mainly rely on prompt engineering or fine-tuning, which lose structural fidelity…

Machine Learning · Computer Science 2025-05-13 Erica Coppolillo

Knowledge Graphs (KGs) are widely employed in artificial intelligence applications, such as question-answering and recommendation systems. However, KGs are frequently found to be incomplete. While much of the existing literature focuses on…

Artificial Intelligence · Computer Science 2024-06-28 Sakher Khalil Alqaaidi , Krzysztof Kochut

The use of knowledge graphs in recommender systems has become one of the common approaches to addressing data sparsity and cold start problems. Recent advances in large language models (LLMs) offer new possibilities for processing side and…

Information Retrieval · Computer Science 2025-02-13 Minhye Jeon , Seokho Ahn , Young-Duk Seo

Large language models (LLMs) have made significant progress in general-purpose natural language processing tasks. However, LLMs are still facing challenges when applied to domain-specific areas like telecommunications, which demands…

Computation and Language · Computer Science 2025-05-22 Dun Yuan , Hao Zhou , Di Wu , Xue Liu , Hao Chen , Yan Xin , Jianzhong , Zhang

Knowledge graphs (KGs) contain rich information about world knowledge, entities and relations. Thus, they can be great supplements to existing pre-trained language models. However, it remains a challenge to efficiently integrate information…

Computation and Language · Computer Science 2020-10-05 Donghan Yu , Chenguang Zhu , Yiming Yang , Michael Zeng

The rapid advancement of Large Language Models (LLMs) and conversational assistants necessitates dynamic, scalable, and configurable conversational datasets for training and evaluation. These datasets must accommodate diverse user…

Computation and Language · Computer Science 2024-08-13 Ronak Pradeep , Daniel Lee , Ali Mousavi , Jeff Pound , Yisi Sang , Jimmy Lin , Ihab Ilyas , Saloni Potdar , Mostafa Arefiyan , Yunyao Li

Knowledge graph completion (KGC) is a widely used method to tackle incompleteness in knowledge graphs (KGs) by making predictions for missing links. Description-based KGC leverages pre-trained language models to learn entity and relation…

Computation and Language · Computer Science 2024-03-05 Derong Xu , Ziheng Zhang , Zhenxi Lin , Xian Wu , Zhihong Zhu , Tong Xu , Xiangyu Zhao , Yefeng Zheng , Enhong Chen

In this paper, we aim to improve the reasoning ability of large language models (LLMs) over knowledge graphs (KGs) to answer complex questions. Inspired by existing methods that design the interaction strategy between LLMs and KG, we…

Computation and Language · Computer Science 2024-02-20 Jinhao Jiang , Kun Zhou , Wayne Xin Zhao , Yang Song , Chen Zhu , Hengshu Zhu , Ji-Rong Wen

The growing trend of Large Language Models (LLM) development has attracted significant attention, with models for various applications emerging consistently. However, the combined application of Large Language Models with semantic…

Computation and Language · Computer Science 2023-05-09 Milena Trajanoska , Riste Stojanov , Dimitar Trajanov

The Natural Language Processing (NLP) community has recently seen outstanding progress, catalysed by the release of different Neural Network (NN) architectures. Neural-based approaches have proven effective by significantly increasing the…

Computation and Language · Computer Science 2020-09-17 Diego Moussallem

Conversational Recommender Systems (CRSs) have emerged as a transformative paradigm for offering personalized recommendations through natural language dialogue. However, they face challenges with knowledge sparsity, as users often provide…

Computation and Language · Computer Science 2025-03-11 Zhangchi Qiu , Linhao Luo , Zicheng Zhao , Shirui Pan , Alan Wee-Chung Liew
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