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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…

Computation and Language · Computer Science 2023-11-17 Tilahun Abedissa Taffa , Ricardo Usbeck

Retrieval-Augmented Generation (RAG) integrates non-parametric knowledge into Large Language Models (LLMs), typically from unstructured texts and structured graphs. While recent progress has advanced text-based RAG to multi-turn reasoning…

Computation and Language · Computer Science 2025-12-11 Yucan Guo , Miao Su , Saiping Guan , Zihao Sun , Xiaolong Jin , Jiafeng Guo , Xueqi Cheng

The important challenge of keeping knowledge in Large Language Models (LLMs) up-to-date has led to the development of various methods for incorporating new facts. However, existing methods for such knowledge editing still face difficulties…

Computation and Language · Computer Science 2024-12-05 Ruirui Chen , Weifeng Jiang , Chengwei Qin , Ishaan Singh Rawal , Cheston Tan , Dongkyu Choi , Bo Xiong , Bo Ai

In this paper, we investigate the retrieval-augmented generation (RAG) based on Knowledge Graphs (KGs) to improve the accuracy and reliability of Large Language Models (LLMs). Recent approaches suffer from insufficient and repetitive…

Computation and Language · Computer Science 2024-04-22 Xinke Jiang , Ruizhe Zhang , Yongxin Xu , Rihong Qiu , Yue Fang , Zhiyuan Wang , Jinyi Tang , Hongxin Ding , Xu Chu , Junfeng Zhao , Yasha Wang

Given a semi-structured knowledge base (SKB), where text documents are interconnected by relations, how can we effectively retrieve relevant information to answer user questions? Retrieval-Augmented Generation (RAG) retrieves documents to…

A question-answering (QA) system is to search suitable answers within a knowledge base. Current QA systems struggle with queries requiring complex reasoning or real-time knowledge integration. They are often supplemented with retrieval…

Computation and Language · Computer Science 2025-05-21 Sizhe Yuen , Ting Su , Ziyang Wang , Yali Du , Adam J. Sobey

A number of tasks have been proposed recently to facilitate easy access to charts such as chart QA and summarization. The dominant paradigm to solve these tasks has been to fine-tune a pretrained model on the task data. However, this…

Computation and Language · Computer Science 2023-12-19 Xuan Long Do , Mohammad Hassanpour , Ahmed Masry , Parsa Kavehzadeh , Enamul Hoque , Shafiq Joty

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

This paper studies the best practices for automatic machine learning (AutoML). While previous AutoML efforts have predominantly focused on unimodal data, the multimodal aspect remains under-explored. Our study delves into classification and…

Machine Learning · Computer Science 2024-12-24 Zhiqiang Tang , Zihan Zhong , Tong He , Gerald Friedland

We present a comprehensive system for addressing Tasks A, B, and C of the LLMs4OL 2025 challenge, which together span the full ontology construction pipeline: term extraction, typing, and taxonomy discovery. Our approach combines…

Computation and Language · Computer Science 2025-08-28 Aleksandra Beliaeva , Temurbek Rahmatullaev

Large Language Models (LLMs) are being adopted at an unprecedented rate, yet still face challenges in knowledge-intensive domains like biomedicine. Solutions such as pre-training and domain-specific fine-tuning add substantial computational…

We propose a new CogQA framework for multi-hop question answering in web-scale documents. Inspired by the dual process theory in cognitive science, the framework gradually builds a \textit{cognitive graph} in an iterative process by…

Computation and Language · Computer Science 2019-06-05 Ming Ding , Chang Zhou , Qibin Chen , Hongxia Yang , Jie Tang

With the growing number and size of Linked Data datasets, it is crucial to make the data accessible and useful for users without knowledge of formal query languages. Two approaches towards this goal are knowledge graph visualization and…

Information Retrieval · Computer Science 2019-07-22 Gerhard Wohlgenannt , Dmitry Mouromtsev , Dmitry Pavlov , Yury Emelyanov , Alexey Morozov

The information in tables can be an important complement to text, making table-based question answering (QA) systems of great value. The intrinsic complexity of handling tables often adds an extra burden to both model design and data…

Computation and Language · Computer Science 2022-07-11 Zhengbao Jiang , Yi Mao , Pengcheng He , Graham Neubig , Weizhu Chen

Academic question answering (QA) in heterogeneous scholarly networks presents unique challenges requiring both structural understanding and interpretable reasoning. While graph neural networks (GNNs) capture structured graph information and…

Social and Information Networks · Computer Science 2026-01-30 Runsong Jia , Mengjia Wu , Ying Ding , Jie Lu , Yi Zhang

Complex table question answering (TQA) aims to answer questions that require complex reasoning, such as multi-step or multi-category reasoning, over data represented in tabular form. Previous approaches demonstrated notable performance by…

Computation and Language · Computer Science 2025-02-11 Wei Zhou , Mohsen Mesgar , Annemarie Friedrich , Heike Adel

With the increasing prevalence of cross-domain Text-Attributed Graph (TAG) Data (e.g., citation networks, recommendation systems, social networks, and ai4science), the integration of Graph Neural Networks (GNNs) and Large Language Models…

Machine Learning · Computer Science 2024-12-18 Xunkai Li , Zhengyu Wu , Jiayi Wu , Hanwen Cui , Jishuo Jia , Rong-Hua Li , Guoren Wang

In today's rapidly evolving landscape of Artificial Intelligence, large language models (LLMs) have emerged as a vibrant research topic. LLMs find applications in various fields and contribute significantly. Despite their powerful language…

Computation and Language · Computer Science 2024-09-10 Tuan Bui , Oanh Tran , Phuong Nguyen , Bao Ho , Long Nguyen , Thang Bui , Tho Quan

Large Language Models (LLMs) have shown strong potential for tabular data generation by modeling textualized feature-value pairs. However, tabular data inherently exhibits sparse feature-level dependencies, where many feature interactions…

Computation and Language · Computer Science 2025-09-09 Zheyu Zhang , Shuo Yang , Bardh Prenkaj , Gjergji Kasneci

Recent breakthroughs in large language models (LLMs) have opened the door to in-depth investigation of their potential in tabular data modeling. However, effectively utilizing advanced LLMs in few-shot and even zero-shot scenarios is still…

Machine Learning · Computer Science 2025-08-14 Peng Wang , Dongsheng Wang , He Zhao , Hangting Ye , Dandan Guo , Yi Chang