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Large language models (LLMs) are probabilistic in nature and perform more reliably when augmented with external information. As complex queries often require multi-step reasoning over the retrieved information, with no clear or…

信息检索 · 计算机科学 2026-04-10 Roxana Petcu , Evangelos Kanoulas , Maarten de Rijke

With recent advancements in large language models, methods like chain-of-thought prompting to elicit reasoning chains have been shown to improve results on reasoning tasks. However, tasks that require multiple steps of reasoning still pose…

This paper introduces a system that integrates large language models (LLMs) into the clinical trial retrieval process, enhancing the effectiveness of matching patients with eligible trials while maintaining information privacy and allowing…

信息检索 · 计算机科学 2024-11-01 Georgios Peikos , Pranav Kasela , Gabriella Pasi

Retrieval-augmented language models (RALMs) have recently shown great potential in mitigating the limitations of implicit knowledge in LLMs, such as untimely updating of the latest expertise and unreliable retention of long-tail knowledge.…

计算与语言 · 计算机科学 2024-10-07 Zile Qiao , Wei Ye , Yong Jiang , Tong Mo , Pengjun Xie , Weiping Li , Fei Huang , Shikun Zhang

In recent years, learning-based approaches have revolutionized motion planning. The data generation process for these methods involves caching a large number of high quality paths for different queries (start, goal pairs) in various…

机器人学 · 计算机科学 2023-03-14 Sagar Suhas Joshi , Panagiotis Tsiotras

Despite the significant progress of large language models (LLMs) in various tasks, they often produce factual errors due to their limited internal knowledge. Retrieval-Augmented Generation (RAG), which enhances LLMs with external knowledge…

计算与语言 · 计算机科学 2024-10-10 Yuanjie Lyu , Zihan Niu , Zheyong Xie , Chao Zhang , Tong Xu , Yang Wang , Enhong Chen

Large language models (LLMs) have rapidly evolved from text generators into powerful problem solvers. Yet, many open tasks demand critical thinking, multi-source, and verifiable outputs, which are beyond single-shot prompting or standard…

Deep iterative chain-of-thought (CoT) reasoning enables LLMs to tackle complex tasks by progressively activating relevant pre-trained knowledge. However, it faces challenges in ensuring continual improvement and determining a stopping…

人工智能 · 计算机科学 2025-02-19 Zongqian Wu , Tianyu Li , Baoduo Xu , Jiaying Yang , Mengmeng Zhan , Xiaofeng Zhu , Lei Feng

Large Language Model agents often retrieve context from knowledge bases that lack structural consistency with the agent's current reasoning state, leading to incoherent reasoning chains. We introduce Path-Constrained Retrieval (PCR), a…

计算与语言 · 计算机科学 2025-11-25 Joseph Oladokun

Identifying reliable synthesis pathways in materials chemistry is a complex task, particularly in polymer science, due to the intricate and often non-unique nomenclature of macromolecules. To address this challenge, we propose an agent…

人工智能 · 计算机科学 2025-04-16 Qinyu Ma , Yuhao Zhou , Jianfeng Li

Systematic reviews are comprehensive literature reviews that address highly focused research questions and represent the highest form of evidence in medicine. A critical step in this process is the development of complex Boolean queries to…

信息检索 · 计算机科学 2025-06-03 Shuai Wang , Harrisen Scells , Bevan Koopman , Guido Zuccon

Retrieval-Augmented Generation (RAG) has recently emerged as a method to extend beyond the pre-trained knowledge of Large Language Models by augmenting the original prompt with relevant passages or documents retrieved by an Information…

Various industries have produced a large number of documents such as industrial plans, technical guidelines, and regulations that are structurally complex and content-wise fragmented. This poses significant challenges for experts and…

人工智能 · 计算机科学 2025-05-27 Hongjia Wu , Hongxin Zhang , Wei Chen , Jiazhi Xia

Reading comprehension models are based on recurrent neural networks that sequentially process the document tokens. As interest turns to answering more complex questions over longer documents, sequential reading of large portions of text…

计算与语言 · 计算机科学 2018-09-11 Mor Geva , Jonathan Berant

Scaling laws predict that the performance of large language models improves with increasing model size and data size. In practice, pre-training has been relying on massive web crawls, using almost all data sources publicly available on the…

计算与语言 · 计算机科学 2025-09-16 Thao Nguyen , Yang Li , Olga Golovneva , Luke Zettlemoyer , Sewoong Oh , Ludwig Schmidt , Xian Li

This paper presents our approach to the TREC Interactive Knowledge Assistance Track (iKAT), which focuses on improving conversational information-seeking (CIS) systems. While recent advancements in CIS have improved conversational agents'…

信息检索 · 计算机科学 2025-03-04 Victor De Lima , Grace Hui Yang

Large language models (LLMs) can face factual limitations when responding to time-sensitive queries about recent events that arise after their knowledge thresholds in the training corpus. Existing search-augmented approaches fall into two…

信息检索 · 计算机科学 2025-06-11 Wentao Shi , Yiqing Shen

Context: Recent research indicates that Web queries written by software developers are not very successful in retrieving relevant results, performing measurably worse compared to general purpose Web queries. Most approaches up to this point…

软件工程 · 计算机科学 2022-07-27 Mia Mohammad Imran , Kostadin Damevski

Extensive research has investigated the integration of large language models (LLMs) with knowledge graphs to enhance the reasoning process. However, understanding how models perform reasoning utilizing structured graph knowledge remains…

计算与语言 · 计算机科学 2025-02-24 Han Zhang , Langshi Zhou , Hanfang Yang

Query optimization is a critical task in database systems, focused on determining the most efficient way to execute a query from an enormous set of possible strategies. Traditional approaches rely on heuristic search methods and cost…

数据库 · 计算机科学 2025-03-11 Zhiming Yao , Haoyang Li , Jing Zhang , Cuiping Li , Hong Chen