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In the field of Material Science, effective information retrieval systems are essential for facilitating research. Traditional Retrieval-Augmented Generation (RAG) approaches in Large Language Models (LLMs) often encounter challenges such…

Information Retrieval · Computer Science 2024-12-03 Radeen Mostafa , Mirza Nihal Baig , Mashaekh Tausif Ehsan , Jakir Hasan

Replicating AI research is a crucial yet challenging task for large language model (LLM) agents. Existing approaches often struggle to generate executable code, primarily due to insufficient background knowledge and the limitations of…

Computation and Language · Computer Science 2026-04-21 Yujie Luo , Zhuoyun Yu , Xuehai Wang , Yuqi Zhu , Ningyu Zhang , Lanning Wei , Lun Du , Da Zheng , Huajun Chen

Improving the performance of large language models (LLMs) in complex question-answering (QA) scenarios has always been a research focal point. Recent studies have attempted to enhance LLMs' performance by combining step-wise planning with…

Computation and Language · Computer Science 2024-10-24 Junjie Wang , Mingyang Chen , Binbin Hu , Dan Yang , Ziqi Liu , Yue Shen , Peng Wei , Zhiqiang Zhang , Jinjie Gu , Jun Zhou , Jeff Z. Pan , Wen Zhang , Huajun Chen

Retrieval Augmented Generation (RAG) has gradually emerged as a promising paradigm for enhancing the accuracy and factual consistency of content generated by large language models (LLMs). However, existing RAG studies primarily focus on…

Information Retrieval · Computer Science 2025-07-24 Qikai Wei , Huansheng Ning , Chunlong Han , Jianguo Ding

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

Knowledge from diverse application domains is organized as knowledge graphs (KGs) that are stored in RDF engines accessible in the web via SPARQL endpoints. Expressing a well-formed SPARQL query requires information about the graph…

Artificial Intelligence · Computer Science 2023-08-10 Reham Omar , Ishika Dhall , Panos Kalnis , Essam Mansour

In order to construct or extend entity-centric and event-centric knowledge graphs (KG and EKG), the information extraction (IE) annotation toolkit is essential. However, existing IE toolkits have several non-trivial problems, such as not…

Computation and Language · Computer Science 2023-07-04 Xiang Wei , Yufeng Chen , Ning Cheng , Xingyu Cui , Jinan Xu , Wenjuan Han

Domain-specific QA systems require not just generative fluency but high factual accuracy grounded in structured expert knowledge. While recent Retrieval-Augmented Generation (RAG) frameworks improve context recall, they struggle with…

Computation and Language · Computer Science 2025-05-26 David Osei Opoku , Ming Sheng , Yong Zhang

The accelerating growth of scientific publications has intensified the need for scalable, trustworthy systems to synthesize knowledge across diverse literature. While recent retrieval-augmented generation (RAG) methods have improved access…

Digital Libraries · Computer Science 2025-11-19 Hang Ding , Yilun Zhao , Tiansheng Hu , Manasi Patwardhan , Arman Cohan

Knowledge graphs (KGs) such as DBpedia, Freebase, YAGO, Wikidata, and NELL were constructed to store large-scale, real-world facts as (subject, predicate, object) triples -- that can also be modeled as a graph, where a node (a subject or an…

Databases · Computer Science 2023-05-25 Arijit Khan

In this work we study various Retrieval Augmented Regeneration (RAG) approaches to gain an understanding of the strengths and weaknesses of each approach in a question-answering analysis. To gain this understanding we use a case-study…

Information Retrieval · Computer Science 2025-06-25 Audun Myers , Max Vargas , Sinan G. Aksoy , Cliff Joslyn , Benjamin Wilson , Lee Burke , Tom Grimes

Knowledge Graphs (KG) act as a great tool for holding distilled information from large natural language text corpora. The problem of natural language querying over knowledge graphs is essential for the human consumption of this information.…

Machine Learning · Computer Science 2021-12-22 Aayushee Gupta , K. M. Annervaz , Ambedkar Dukkipati , Shubhashis Sengupta

Despite recent progress, Graphic User Interface (GUI) agents powered by Large Language Models (LLMs) struggle with complex mobile tasks due to limited app-specific knowledge. While UI Transition Graphs (UTGs) offer structured navigation…

In today's digital world, seeking answers to health questions on the Internet is a common practice. However, existing question answering (QA) systems often rely on using pre-selected and annotated evidence documents, thus making them…

Computation and Language · Computer Science 2024-04-15 Juraj Vladika , Florian Matthes

Neuroscience research publications encompass a vast wealth of knowledge. Accurately retrieving existing information and discovering new insights from this extensive literature is essential for advancing the field. However, when knowledge is…

Computation and Language · Computer Science 2025-10-28 Pralaypati Ta , Sriram Venkatesaperumal , Keerthi Ram , Mohanasankar Sivaprakasam

Knowledge Base Question Answering (KBQA) systems have the goal of answering complex natural language questions by reasoning over relevant facts retrieved from Knowledge Bases (KB). One of the major challenges faced by these systems is their…

Computation and Language · Computer Science 2022-03-22 Nithish Kannen , Udit Sharma , Sumit Neelam , Dinesh Khandelwal , Shajith Ikbal , Hima Karanam , L Venkata Subramaniam

Commonsense and background knowledge is required for a QA model to answer many nontrivial questions. Different from existing work on knowledge-aware QA, we focus on a more challenging task of leveraging external knowledge to generate…

Computation and Language · Computer Science 2019-09-09 Bin Bi , Chen Wu , Ming Yan , Wei Wang , Jiangnan Xia , Chenliang Li

In order to facilitate natural language understanding, the key is to engage commonsense or background knowledge. However, how to engage commonsense effectively in question answering systems is still under exploration in both research…

Computation and Language · Computer Science 2020-11-06 Qianglong Chen , Feng Ji , Haiqing Chen , Yin Zhang

Graph Retrieval-Augmented Generation (GraphRAG) has proven highly effective in enhancing the performance of Large Language Models (LLMs) on tasks that require external knowledge. By leveraging Knowledge Graphs (KGs), GraphRAG improves…

Artificial Intelligence · Computer Science 2025-11-06 Ruiyi Yang , Hao Xue , Imran Razzak , Hakim Hacid , Flora D. Salim

Knowledge Base Question Answering (KBQA) aims to answer natural language questions with the help of an external knowledge base. The core idea is to find the link between the internal knowledge behind questions and known triples of the…

Computation and Language · Computer Science 2022-05-03 Hanyu Zhao , Sha Yuan , Jiahong Leng , Xiang Pan , Guoqiang Wang , Ledell Wu , Jie Tang