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Over the past decade, extensive research efforts have been dedicated to the extraction of information from textual process descriptions. Despite the remarkable progress witnessed in natural language processing (NLP), information extraction…

计算与语言 · 计算机科学 2024-07-29 Julian Neuberger , Lars Ackermann , Han van der Aa , Stefan Jablonski

This paper studies the problem of information retrieval, to adapt to unseen tasks. Existing work generates synthetic queries from domain-specific documents to jointly train the retriever. However, the conventional query generator assumes…

计算与语言 · 计算机科学 2024-09-26 Yoonsang Lee , Minsoo Kim , Seung-won Hwang

Using large language models, this paper presents techniques to improve extremely low-resourced indigenous language translations. Our approaches are grounded in the use of (1) the presence of a datastore consisting of a limited number of…

计算与语言 · 计算机科学 2024-07-19 You-Cheng Liao , Chen-Jui Yu , Chi-Yi Lin , He-Feng Yun , Yen-Hsiang Wang , Hsiao-Min Li , Yao-Chung Fan

Large language models with billions of parameters, such as GPT-3.5, GPT-4, and LLaMA, are increasingly prevalent. Numerous studies have explored effective prompting techniques to harness the power of these LLMs for various research…

计算与语言 · 计算机科学 2024-03-28 Hai-Long Nguyen , Duc-Minh Nguyen , Tan-Minh Nguyen , Ha-Thanh Nguyen , Thi-Hai-Yen Vuong , Ken Satoh

Dense retrieval is a crucial task in Information Retrieval (IR), serving as the basis for downstream tasks such as re-ranking and augmenting generation. Recently, large language models (LLMs) have demonstrated impressive semantic…

信息检索 · 计算机科学 2025-08-20 Hengran Zhang , Keping Bi , Jiafeng Guo , Xiaojie Sun , Shihao Liu , Daiting Shi , Dawei Yin , Xueqi Cheng

Knowledge distillation has been successfully applied to Continual Learning Named Entity Recognition (CLNER) tasks, by using a teacher model trained on old-class data to distill old-class entities present in new-class data as a form of…

计算与语言 · 计算机科学 2025-08-12 Zhe Ren

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

Large Language Models (LLMs) have swiftly emerged as vital resources for different applications in the biomedical and healthcare domains; however, these models encounter issues such as generating inaccurate information or hallucinations.…

计算与语言 · 计算机科学 2024-05-06 Mingchen Li , Halil Kilicoglu , Hua Xu , Rui Zhang

In recent years, the growing interest in Large Language Models (LLMs) has significantly advanced prompt engineering, transitioning from manual design to model-based optimization. Prompts for LLMs generally comprise two components: the…

计算与语言 · 计算机科学 2025-10-09 Qinhao Zhou , Xiang Xiang , Kun He , John E. Hopcroft

Fine-tuning of Large Language Models (LLMs) for downstream tasks, performed on domain-specific data has shown significant promise. However, commercial use of such LLMs is limited by the high computational cost required for their deployment…

计算与语言 · 计算机科学 2025-03-06 Boris Nazarov , Darya Frolova , Yackov Lubarsky , Alexei Gaissinski , Pavel Kisilev

One of the difficulties of neural machine translation (NMT) is the recall and appropriate translation of low-frequency words or phrases. In this paper, we propose a simple, fast, and effective method for recalling previously seen…

计算与语言 · 计算机科学 2018-04-10 Jingyi Zhang , Masao Utiyama , Eiichro Sumita , Graham Neubig , Satoshi Nakamura

Pretrained language models (LMs) perform well on many tasks even when learning from a few examples, but prior work uses many held-out examples to tune various aspects of learning, such as hyperparameters, training objectives, and natural…

计算与语言 · 计算机科学 2021-05-25 Ethan Perez , Douwe Kiela , Kyunghyun Cho

The frequent occurrence of cyber-attacks has made webshell attacks and defense gradually become a research hotspot in the field of network security. However, the lack of publicly available benchmark datasets and the over-reliance on…

密码学与安全 · 计算机科学 2024-06-06 Mingrui Ma , Lansheng Han , Chunjie Zhou

The task of Question Generation over Knowledge Bases (KBQG) aims to convert a logical form into a natural language question. For the sake of expensive cost of large-scale question annotation, the methods of KBQG under low-resource scenarios…

计算与语言 · 计算机科学 2023-10-24 Yuanyuan Liang , Jianing Wang , Hanlun Zhu , Lei Wang , Weining Qian , Yunshi Lan

We propose RaDeR, a set of reasoning-based dense retrieval models trained with data derived from mathematical problem solving using large language models (LLMs). Our method leverages retrieval-augmented reasoning trajectories of an LLM and…

计算与语言 · 计算机科学 2025-05-28 Debrup Das , Sam O' Nuallain , Razieh Rahimi

Text-to-SQL aims at generating SQL queries for the given natural language questions and thus helping users to query databases. Prompt learning with large language models (LLMs) has emerged as a recent approach, which designs prompts to lead…

信息检索 · 计算机科学 2023-09-06 Chunxi Guo , Zhiliang Tian , Jintao Tang , Shasha Li , Zhihua Wen , Kaixuan Wang , Ting Wang

This paper introduces a simple yet effective query expansion approach, denoted as query2doc, to improve both sparse and dense retrieval systems. The proposed method first generates pseudo-documents by few-shot prompting large language…

信息检索 · 计算机科学 2023-10-12 Liang Wang , Nan Yang , Furu Wei

Prompt engineering enables Large Language Models (LLMs) to perform a variety of tasks. However, lengthy prompts significantly increase computational complexity and economic costs. To address this issue, we study six prompt compression…

计算与语言 · 计算机科学 2025-05-02 Zheng Zhang , Jinyi Li , Yihuai Lan , Xiang Wang , Hao Wang

Prompt-only, single-step LLM query rewriting, where a rewrite is generated from the query alone without retrieval feedback, is commonly used in production RAG pipelines, but its effect on dense retrieval is poorly understood. We present a…

信息检索 · 计算机科学 2026-03-17 Varun Kotte

LLMs face significant challenges in systematic generalization, particularly when dealing with reasoning tasks requiring compositional rules and handling out-of-distribution examples. To address these challenges, we introduce an in-context…