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Large language models (LLMs) have recently been adapted to tabular prediction by serializing structured features into natural language, but their performance in low-data regimes remains limited compared to gradient-boosted decision trees…

机器学习 · 计算机科学 2026-05-12 Yi-Siang Wang , Kuan-Yu Chen , Yu-Chen Den , Darby Tien-Hao Chang

With the emergence of large language models (LLMs) and their ability to perform a variety of tasks, their application in recommender systems (RecSys) has shown promise. However, we are facing significant challenges when deploying LLMs into…

信息检索 · 计算机科学 2025-02-21 Yueqing Liang , Liangwei Yang , Chen Wang , Xiongxiao Xu , Philip S. Yu , Kai Shu

This work presents an unsupervised method for automatically constructing and expanding topic taxonomies using instruction-based fine-tuned LLMs (Large Language Models). We apply topic modeling and keyword extraction techniques to create…

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…

计算与语言 · 计算机科学 2025-08-28 Aleksandra Beliaeva , Temurbek Rahmatullaev

Large language models (LLMs) have demonstrated impressive ability in solving complex mathematical problems with multi-step reasoning and can be further enhanced with well-designed in-context learning (ICL) examples. However, this potential…

计算与语言 · 计算机科学 2025-02-18 Beichen Zhang , Yuhong Liu , Xiaoyi Dong , Yuhang Zang , Pan Zhang , Haodong Duan , Yuhang Cao , Dahua Lin , Jiaqi Wang

Large language models (LLMs) and high-capacity encoders have advanced zero and few-shot classification, but their inference cost and latency limit practical deployment. We propose training lightweight text classifiers using dynamically…

计算与语言 · 计算机科学 2026-01-26 Gaurav Maheshwari , Kevin El Haddad

Zero-shot inference is a powerful paradigm that enables the use of large pretrained models for downstream classification tasks without further training. However, these models are vulnerable to inherited biases that can impact their…

机器学习 · 计算机科学 2024-02-13 Dyah Adila , Changho Shin , Linrong Cai , Frederic Sala

In recent years, large language models (LLMs) have achieved strong performance on benchmark tasks, especially in zero or few-shot settings. However, these benchmarks often do not adequately address the challenges posed in the real-world,…

计算与语言 · 计算机科学 2023-05-29 Rohan Bhambhoria , Lei Chen , Xiaodan Zhu

Language model (LM) prompting--a popular paradigm for solving NLP tasks--has been shown to be susceptible to miscalibration and brittleness to slight prompt variations, caused by its discriminative prompting approach, i.e., predicting the…

计算与语言 · 计算机科学 2023-11-14 Sachin Kumar , Chan Young Park , Yulia Tsvetkov

Extreme Multi-label Text Classification (XMC) entails selecting the most relevant labels for an instance from a vast label set. Extreme Zero-shot XMC (EZ-XMC) extends this challenge by operating without annotated data, relying only on raw…

机器学习 · 计算机科学 2025-02-25 Jinbin Zhang , Nasib Ullah , Rohit Babbar

Taxonomies play a crucial role in various applications by providing a structural representation of knowledge. The task of taxonomy expansion involves integrating emerging concepts into existing taxonomies by identifying appropriate parent…

计算与语言 · 计算机科学 2025-05-27 Qingkai Zeng , Yuyang Bai , Zhaoxuan Tan , Zhenyu Wu , Shangbin Feng , Meng Jiang

Boosting provides a practical and provably effective framework for constructing accurate learning algorithms from inaccurate rules of thumb. It extends the promise of sample-efficient learning to settings where direct Empirical Risk…

机器学习 · 计算机科学 2025-03-07 Udaya Ghai , Karan Singh

This study presents a comprehensive reproducibility and extension analysis of the Setwise prompting methodology for zero-shot ranking with Large Language Models (LLMs), as proposed by Zhuang et al. We evaluate its effectiveness and…

信息检索 · 计算机科学 2025-04-16 Jakub Podolak , Leon Peric , Mina Janicijevic , Roxana Petcu

Large Language Models (LLMs) have demonstrated remarkable performance across diverse tasks and exhibited impressive reasoning abilities by applying zero-shot Chain-of-Thought (CoT) prompting. However, due to the evolving nature of sentence…

计算与语言 · 计算机科学 2024-02-09 Feihu Jin , Yifan Liu , Ying Tan

Taxonomy completion, enriching existing taxonomies by inserting new concepts as parents or attaching them as children, has gained significant interest. Previous approaches embed concepts as vectors in Euclidean space, which makes it…

计算与语言 · 计算机科学 2024-06-19 Wei Xue , Yongliang Shen , Wenqi Ren , Jietian Guo , Shiliang Pu , Weiming Lu

Zero-shot entity and relation classification models leverage available external information of unseen classes -- e.g., textual descriptions -- to annotate input text data. Thanks to the minimum data requirement, Zero-Shot Learning (ZSL)…

This paper introduces a novel approach for efficiently distilling LLMs into smaller, application-specific models, significantly reducing operational costs and manual labor. Addressing the challenge of deploying computationally intensive…

计算与语言 · 计算机科学 2024-03-26 Lukas Vöge , Vincent Gurgul , Stefan Lessmann

In this paper, we analyze zero-shot taxonomy learning methods which are based on distilling knowledge from language models via prompting and sentence scoring. We show that, despite their simplicity, these methods outperform some supervised…

计算与语言 · 计算机科学 2022-02-11 Devansh Jain , Luis Espinosa Anke

This paper presents LITE, an LLM-based evaluation method designed for efficient and flexible assessment of taxonomy quality. To address challenges in large-scale taxonomy evaluation, such as efficiency, fairness, and consistency, LITE…

计算与语言 · 计算机科学 2025-04-03 Lin Zhang , Zhouhong Gu , Suhang Zheng , Tao Wang , Tianyu Li , Hongwei Feng , Yanghua Xiao

Large language models (LLMs) are very proficient text generators. We leverage this capability of LLMs to generate task-specific data via zero-shot prompting and promote cross-lingual transfer for low-resource target languages. Given…

计算与语言 · 计算机科学 2024-07-16 Barah Fazili , Ashish Sunil Agrawal , Preethi Jyothi
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