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Recent research has increasingly focused on reconciling the reasoning capabilities of System 2 with the efficiency of System 1. While existing training-based and prompt-based approaches face significant challenges in terms of efficiency and…

计算与语言 · 计算机科学 2025-11-17 Yuxuan Yao , Shuqi Liu , Zehua Liu , Qintong Li , Mingyang Liu , Xiongwei Han , Zhijiang Guo , Han Wu , Linqi Song

Fine-tuning from a collection of models pre-trained on different domains (a "model zoo") is emerging as a technique to improve test accuracy in the low-data regime. However, model selection, i.e. how to pre-select the right model to…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Aditya Deshpande , Alessandro Achille , Avinash Ravichandran , Hao Li , Luca Zancato , Charless Fowlkes , Rahul Bhotika , Stefano Soatto , Pietro Perona

The integration of Language Models (LMs) has proven to be an effective way to address domain shifts in speech recognition. However, these approaches usually require a significant amount of target domain text data for the training of LMs.…

计算与语言 · 计算机科学 2023-06-29 Yuang Li , Yu Wu , Jinyu Li , Shujie Liu

Model merging has emerged as a crucial technique in Deep Learning, enabling the integration of multiple models into a unified system while preserving perfor-mance and scalability. In this respect, the compositional properties of low-rank…

机器学习 · 计算机科学 2025-03-11 Riccardo Salami , Pietro Buzzega , Matteo Mosconi , Jacopo Bonato , Luigi Sabetta , Simone Calderara

Query expansion, pivotal in search engines, enhances the representation of user information needs with additional terms. While existing methods expand queries using retrieved or generated contextual documents, each approach has notable…

信息检索 · 计算机科学 2024-03-29 Pengyue Jia , Yiding Liu , Xiangyu Zhao , Xiaopeng Li , Changying Hao , Shuaiqiang Wang , Dawei Yin

Mixing datasets for fine-tuning large models (LMs) has become critical for maximizing performance on downstream tasks. However, composing effective dataset mixtures typically relies on heuristics and trial-and-error, often requiring…

机器学习 · 计算机科学 2025-05-23 Zhixu Silvia Tao , Kasper Vinken , Hao-Wei Yeh , Avi Cooper , Xavier Boix

Fine-tuning of Large Language Models (LLMs) has become the default practice for improving model performance on a given task. However, performance improvement comes at the cost of training on vast amounts of annotated data which could be…

计算与语言 · 计算机科学 2025-04-25 Jose G. Moreno , Jesus Lovon , M'Rick Robin-Charlet , Christine Damase-Michel , Lynda Tamine

We investigate input normalization methods for Time-Series Foundation Models (TSFMs). While normalization is well-studied in dataset-specific time-series models, it remains overlooked in TSFMs where generalization is critical. Time-series…

机器学习 · 计算机科学 2026-01-30 Ihab Ahmed , Denis Krompaß , Cheng Feng , Volker Tresp

We address the problem of classifying bird species using their song recordings, a challenging task due to environmental noise, overlapping vocalizations, and missing labels. Existing models struggle with low-SNR or multi-species recordings.…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Ezhini Rasendiran R , Chandresh Kumar Maurya

Large language models (LLMs) still struggle across tasks outside of high-resource languages. In this work, we investigate cross-lingual transfer to lower-resource languages where task-specific post-training data is scarce. Building on prior…

计算与语言 · 计算机科学 2025-10-09 Lucas Bandarkar , Nanyun Peng

Tabular data high-stakes critical decision-making in domains such as finance, healthcare, and scientific discovery. Yet, learning effectively from tabular data in few-shot settings, where labeled examples are scarce, remains a fundamental…

机器学习 · 计算机科学 2026-01-19 Zhihan Yang , Jiaqi Wei , Xiang Zhang , Haoyu Dong , Yiwen Wang , Xiaoke Guo , Pengkun Zhang , Yiwei Xu , Chenyu You

Large language models have recently been shown to attain reasonable zero-shot generalization on a diverse set of tasks (Brown et al., 2020). It has been hypothesized that this is a consequence of implicit multitask learning in language…

Transferring visual-language knowledge from large-scale foundation models for video recognition has proved to be effective. To bridge the domain gap, additional parametric modules are added to capture the temporal information. However,…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Minghao Zhu , Zhengpu Wang , Mengxian Hu , Ronghao Dang , Xiao Lin , Xun Zhou , Chengju Liu , Qijun Chen

Retrieval-augmented generation (RAG) has become the backbone of grounding Large Language Models (LLMs), improving knowledge updates and reducing hallucinations. Recently, LLM-based retriever models have shown state-of-the-art performance…

We propose a multitask pretraining approach ZeroPrompt for zero-shot generalization, focusing on task scaling and zero-shot prompting. While previous models are trained on only a few dozen tasks, we scale to 1,000 tasks for the first time…

机器学习 · 计算机科学 2022-11-01 Hanwei Xu , Yujun Chen , Yulun Du , Nan Shao , Yanggang Wang , Haiyu Li , Zhilin Yang

Large Language Models (LLMs) demonstrate remarkable versatility in various NLP tasks but encounter distinct challenges in biomedical due to the complexities of language and data scarcity. This paper investigates LLMs application in the…

Automated bioacoustic analysis aids understanding and protection of both marine and terrestrial animals and their habitats across extensive spatiotemporal scales, and typically involves analyzing vast collections of acoustic data. With the…

音频与语音处理 · 电气工程与系统科学 2023-12-22 Burooj Ghani , Tom Denton , Stefan Kahl , Holger Klinck

Current developments in large language models (LLMs) have enabled impressive zero-shot capabilities across various natural language tasks. An interesting application of these systems is in the automated assessment of natural language…

计算与语言 · 计算机科学 2024-02-07 Adian Liusie , Potsawee Manakul , Mark J. F. Gales

Masked language models like BERT can perform text classification in a zero-shot fashion by reformulating downstream tasks as text infilling. However, this approach is highly sensitive to the template used to prompt the model, yet…

计算与语言 · 计算机科学 2022-10-27 Mozes van de Kar , Mengzhou Xia , Danqi Chen , Mikel Artetxe

By merging models, AI systems can combine the distinct strengths of separate language models, achieving a balance between multiple capabilities without requiring substantial retraining. However, the integration process can be intricate due…