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Knowledge graphs (KGs) serve as powerful tools for organizing and representing structured knowledge. While their utility is widely recognized, challenges persist in their automation and completeness. Despite efforts in automation and the…

人工智能 · 计算机科学 2024-05-07 Mutahira Khalid , Raihana Rahman , Asim Abbas , Sushama Kumari , Iram Wajahat , Syed Ahmad Chan Bukhari

Structured and unstructured data and facts about drugs, genes, protein, viruses, and their mechanism are spread across a huge number of scientific articles. These articles are a large-scale knowledge source and can have a huge impact on…

人工智能 · 计算机科学 2023-02-24 Md. Rezaul Karim , Lina Molinas Comet , Oya Beyan , Dietrich Rebholz-Schuhmann , Stefan Decker

Large language models (LLMs) often struggle with knowledge-intensive tasks due to hallucinations and outdated parametric knowledge. While Retrieval-Augmented Generation (RAG) addresses this by integrating external corpora, its effectiveness…

计算与语言 · 计算机科学 2026-02-04 Su Dong , Qinggang Zhang , Yilin Xiao , Shengyuan Chen , Chuang Zhou , Xiao Huang

Knowledge graphs (KGs) have the advantage of providing fine-grained detail for question-answering systems. Unfortunately, building a reliable KG is time-consuming and expensive as it requires human intervention. To overcome this issue, we…

计算与语言 · 计算机科学 2021-03-12 Seunghak Yu , Tianxing He , James Glass

Temporal knowledge graph question answering (TKGQA) poses a significant challenge task, due to the temporal constraints hidden in questions and the answers sought from dynamic structured knowledge. Although large language models (LLMs) have…

计算与语言 · 计算机科学 2024-07-25 Yifu Gao , Linbo Qiao , Zhigang Kan , Zhihua Wen , Yongquan He , Dongsheng Li

Commonsense question answering (QA) requires background knowledge which is not explicitly stated in a given context. Prior works use commonsense knowledge graphs (KGs) to obtain this knowledge for reasoning. However, relying entirely on…

计算与语言 · 计算机科学 2020-09-22 Peifeng Wang , Nanyun Peng , Filip Ilievski , Pedro Szekely , Xiang Ren

Temporal Knowledge Graphs (Temporal KGs) extend regular Knowledge Graphs by providing temporal scopes (start and end times) on each edge in the KG. While Question Answering over KG (KGQA) has received some attention from the research…

机器学习 · 计算机科学 2021-06-04 Apoorv Saxena , Soumen Chakrabarti , Partha Talukdar

Background : Knowledge is evolving over time, often as a result of new discoveries or changes in the adopted methods of reasoning. Also, new facts or evidence may become available, leading to new understandings of complex phenomena. This is…

计算与语言 · 计算机科学 2023-04-24 Ayoub Harnoune , Maryem Rhanoui , Mounia Mikram , Siham Yousfi , Zineb Elkaimbillah , Bouchra El Asri

Knowledge Graph based Retrieval-Augmented Generation (KG-RAG) is a technique that enhances Large Language Model (LLM) inference in tasks like Question Answering (QA) by retrieving relevant information from knowledge graphs (KGs). However,…

人工智能 · 计算机科学 2025-09-01 Dongzhuoran Zhou , Yuqicheng Zhu , Xiaxia Wang , Yuan He , Jiaoyan Chen , Steffen Staab , Evgeny Kharlamov

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…

计算与语言 · 计算机科学 2024-08-13 Ronak Pradeep , Daniel Lee , Ali Mousavi , Jeff Pound , Yisi Sang , Jimmy Lin , Ihab Ilyas , Saloni Potdar , Mostafa Arefiyan , Yunyao Li

The financial domain frequently deals with large numbers of long documents that are essential for daily operations. Significant effort is put towards automating financial data analysis. However, a persistent challenge, not limited to the…

计算与语言 · 计算机科学 2024-06-21 Viet Dac Lai , Michael Krumdick , Charles Lovering , Varshini Reddy , Craig Schmidt , Chris Tanner

Most available data is unstructured, making it challenging to access valuable information. Automatically building Knowledge Graphs (KGs) is crucial for structuring data and making it accessible, allowing users to search for information…

人工智能 · 计算机科学 2024-09-06 Yassir Lairgi , Ludovic Moncla , Rémy Cazabet , Khalid Benabdeslem , Pierre Cléau

Question answering (QA) models often rely on large-scale training datasets, which necessitates the development of a data generation framework to reduce the cost of manual annotations. Although several recent studies have aimed to generate…

计算与语言 · 计算机科学 2023-02-07 Seongyun Lee , Hyunjae Kim , Jaewoo Kang

This paper proposes the problem of Deep Question Generation (DQG), which aims to generate complex questions that require reasoning over multiple pieces of information of the input passage. In order to capture the global structure of the…

计算与语言 · 计算机科学 2020-04-28 Liangming Pan , Yuxi Xie , Yansong Feng , Tat-Seng Chua , Min-Yen Kan

We introduce GQA, a new dataset for real-world visual reasoning and compositional question answering, seeking to address key shortcomings of previous VQA datasets. We have developed a strong and robust question engine that leverages scene…

计算与语言 · 计算机科学 2019-07-12 Drew A. Hudson , Christopher D. Manning

Large Language Models (LLMs) have demonstrated strong capabilities in web search and reasoning. However, their dependence on static training corpora makes them prone to factual errors and knowledge gaps. Retrieval-Augmented Generation (RAG)…

人工智能 · 计算机科学 2026-01-26 Jiasheng Xu , Mingda Li , Yongqiang Tang , Peijie Wang , Wensheng Zhang

Retrieval-Augmented Generation (RAG) has emerged as an effective paradigm for expanding the knowledge capacity of Multimodal Large Language Models (MLLMs) by incorporating external knowledge sources into the generation process, and has been…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Xu Yuan , Liangbo Ning , Qingqing Ye , Wenqi Fan , Qing Li

Question generation over knowledge bases (KBQG) aims at generating natural-language questions about a subgraph, i.e. a set of (connected) triples. Two main challenges still face the current crop of encoder-decoder-based methods, especially…

计算与语言 · 计算机科学 2020-10-26 Sheng Bi , Xiya Cheng , Yuan-Fang Li , Yongzhen Wang , Guilin Qi

The knowledge-grounded dialogue task aims to generate responses that convey information from given knowledge documents. However, it is a challenge for the current sequence-based model to acquire knowledge from complex documents and…

计算与语言 · 计算机科学 2024-05-17 Yizhe Yang , Heyan Huang , Yang Gao , Jiawei Li and

This paper presents a scholarly Knowledge Graph Question Answering (KGQA) that answers bibliographic natural language questions by leveraging a large language model (LLM) in a few-shot manner. The model initially identifies the top-n…

计算与语言 · 计算机科学 2023-11-17 Tilahun Abedissa Taffa , Ricardo Usbeck