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Multi-Turn Long-Form Question Answering (MT-LFQA) is a key application paradigm of Large Language Models (LLMs) in knowledge-intensive domains. However, existing benchmarks are limited to single-turn dialogue, while multi-turn dialogue…

Computation and Language · Computer Science 2025-09-29 Junhao Chen , Yu Huang , Siyuan Li , Rui Yao , Hanqian Li , Hanyu Zhang , Jungang Li , Jian Chen , Bowen Wang , Xuming Hu

Multi-hop question answering over hybrid table-text data requires retrieving and reasoning across multiple evidence pieces from large corpora, but standard Retrieval-Augmented Generation (RAG) pipelines process documents as flat ranked…

Computation and Language · Computer Science 2026-01-13 Mohamed Sharafath , Aravindh Annamalai , Ganesh Murugan , Aravindakumar Venugopalan

Knowledge Graph Question Answering aims to answer natural language questions by reasoning over structured knowledge graphs. While large language models have advanced KGQA through their strong reasoning capabilities, existing methods…

Artificial Intelligence · Computer Science 2026-01-28 Yanlin Song , Ben Liu , Víctor Gutiérrez-Basulto , Zhiwei Hu , Qianqian Xie , Min Peng , Sophia Ananiadou , Jeff Z. Pan

In the current era of big data, extracting deep insights from massive, heterogeneous, and complexly associated multi-dimensional data has become a significant challenge. Large Language Models (LLMs) perform well in natural language…

Artificial Intelligence · Computer Science 2025-11-21 Xi Wang , Xianyao Ling , Kun Li , Gang Yin , Liang Zhang , Jiang Wu , Jun Xu , Fu Zhang , Wenbo Lei , Annie Wang , Peng Gong

Existing frameworks for assessing robustness of large language models (LLMs) overly depend on specific benchmarks, increasing costs and failing to evaluate performance of LLMs in professional domains due to dataset limitations. This paper…

Computation and Language · Computer Science 2024-06-18 Aihua Pei , Zehua Yang , Shunan Zhu , Ruoxi Cheng , Ju Jia , Lina Wang

Complex Logical Query Answering (CLQA) involves intricate multi-hop logical reasoning over large-scale and potentially incomplete Knowledge Graphs (KGs). Although existing CLQA algorithms achieve high accuracy in answering such queries,…

Artificial Intelligence · Computer Science 2025-03-05 Hongyu Lin , Haoran Luo , Hanghang Cao , Yang Liu , Shihao Gao , Kaichun Yao , Libo Zhang , Mingjie Xing , Yanjun Wu

Existing Multimodal Large Language Models (MLLMs) and Visual Language Pretrained Models (VLPMs) have shown remarkable performances in the general Visual Question Answering (VQA). However, these models struggle with VQA questions that…

Computation and Language · Computer Science 2024-11-06 Shuo Yang , Siwen Luo , Soyeon Caren Han

The emergence of Large Language Models (LLMs) has boosted performance and possibilities in various NLP tasks. While the usage of generative AI models like ChatGPT opens up new opportunities for several business use cases, their current…

Computation and Language · Computer Science 2023-09-27 Matthias Engelbach , Dennis Klau , Felix Scheerer , Jens Drawehn , Maximilien Kintz

Relation extraction is an important but challenging task that aims to extract all hidden relational facts from the text. With the development of deep language models, relation extraction methods have achieved good performance on various…

Computation and Language · Computer Science 2022-08-17 Sheng Zhang , Patrick Ng , Zhiguo Wang , Bing Xiang

Multi-hop knowledge based question answering (KBQA) is a complex task for natural language understanding. Many KBQA approaches have been proposed in recent years, and most of them are trained based on labeled reasoning path. This hinders…

Machine Learning · Computer Science 2020-05-25 Kechen Qin , Yu Wang , Cheng Li , Kalpa Gunaratna , Hongxia Jin , Virgil Pavlu , Javed A. Aslam

Previous studies have relied on existing question-answering benchmarks to evaluate the knowledge stored in large language models (LLMs). However, this approach has limitations regarding factual knowledge coverage, as it mostly focuses on…

Computation and Language · Computer Science 2023-10-31 Linhao Luo , Thuy-Trang Vu , Dinh Phung , Gholamreza Haffari

Answering complex questions over textual resources remains a challenge, particularly when dealing with nuanced relationships between multiple entities expressed within natural-language sentences. To this end, curated knowledge bases (KBs)…

Computation and Language · Computer Science 2023-09-08 Jingjing Xu , Maria Biryukov , Martin Theobald , Vinu Ellampallil Venugopal

Retrieval-Augmented Generation (RAG) systems are widely adopted in knowledge-intensive NLP tasks, but current evaluations often overlook the structural complexity and multi-step reasoning required in real-world scenarios. These benchmarks…

Computation and Language · Computer Science 2025-12-16 Jeongsoo Lee , Daeyong Kwon , Kyohoon Jin

Multi-hop question answering (MHQA) poses a significant challenge for large language models (LLMs) due to the extensive knowledge demands involved. Knowledge editing, which aims to precisely modify the LLMs to incorporate specific knowledge…

Computation and Language · Computer Science 2024-12-30 Yifan Lu , Yigeng Zhou , Jing Li , Yequan Wang , Xuebo Liu , Daojing He , Fangming Liu , Min Zhang

Existing approaches on Question Answering over Knowledge Graphs (KGQA) have weak generalizability. That is often due to the standard i.i.d. assumption on the underlying dataset. Recently, three levels of generalization for KGQA were…

Computation and Language · Computer Science 2022-05-16 Longquan Jiang , Ricardo Usbeck

Knowledge graph question answering (KGQA) based on information retrieval aims to answer a question by retrieving answer from a large-scale knowledge graph. Most existing methods first roughly retrieve the knowledge subgraphs (KSG) that may…

Computation and Language · Computer Science 2022-10-06 Hanning Gao , Lingfei Wu , Po Hu , Zhihua Wei , Fangli Xu , Bo Long

Knowledge Graph Question Answering (KGQA) systems are based on machine learning algorithms, requiring thousands of question-answer pairs as training examples or natural language processing pipelines that need module fine-tuning. In this…

Artificial Intelligence · Computer Science 2022-02-03 Daniel Vollmers , Rricha Jalota , Diego Moussallem , Hardik Topiwala , Axel-Cyrille Ngonga Ngomo , Ricardo Usbeck

In recent years, the use of large language models (LLMs) has significantly increased, and these models have demonstrated remarkable performance in a variety of general language tasks. However, the evaluation of their performance in…

Computation and Language · Computer Science 2025-01-14 Iman Barati , Arash Ghafouri , Behrouz Minaei-Bidgoli

Answering questions using pre-trained language models (LMs) and knowledge graphs (KGs) presents challenges in identifying relevant knowledge and performing joint reasoning.We compared LMs (fine-tuned for the task) with the previously…

Computation and Language · Computer Science 2024-01-02 Shreyas Verma , Manoj Parmar , Palash Choudhary , Sanchita Porwal

Knowledge graphs are essential for numerous downstream natural language processing applications, but are typically incomplete with many facts missing. This results in research efforts on multi-hop reasoning task, which can be formulated as…

Artificial Intelligence · Computer Science 2021-09-03 Yao Zhang , Hongru Liang , Adam Jatowt , Wenqiang Lei , Xin Wei , Ning Jiang , Zhenglu Yang
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