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Supervised fine-tuning (SFT) is a standard approach to adapting large language models (LLMs) to new domains. In this work, we improve the statistical efficiency of SFT by selecting an informative subset of training examples. Specifically,…

We present a hybrid method for latent information discovery on the data sets containing both text content and connection structure based on constrained low rank approximation. The new method jointly optimizes the Nonnegative Matrix…

机器学习 · 计算机科学 2017-03-29 Rundong Du , Barry Drake , Haesun Park

Schema Matching is a method of finding attributes that are either similar to each other linguistically or represent the same information. In this project, we take a hybrid approach at solving this problem by making use of both the provided…

数据库 · 计算机科学 2020-04-22 Tanvi Sahay , Ankita Mehta , Shruti Jadon

In recent years, Large Language Models (LLMs) have shown remarkable performance in generating human-like text, proving to be a valuable asset across various applications. However, adapting these models to incorporate new, out-of-domain…

Diffusion and flow matching models have significantly advanced media generation, yet their design space is well-explored, somewhat limiting further improvements. Concurrently, autoregressive (AR) models, particularly those generating…

机器学习 · 计算机科学 2025-07-01 Neta Shaul , Uriel Singer , Itai Gat , Yaron Lipman

Reliable medical image classification requires accurate predictions and well-calibrated uncertainty estimates, especially in high-stakes clinical settings. This work presents MedSymmFlow, a generative-discriminative hybrid model built on…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Francisco Caetano , Lemar Abdi , Christiaan Viviers , Amaan Valiuddin , Fons van der Sommen

We describe a novel pipeline to automatically discover hierarchies of repeated sections in musical audio. The proposed method uses similarity network fusion (SNF) to combine different frame-level features into clean affinity matrices, which…

信息检索 · 计算机科学 2019-02-05 Christopher J. Tralie , Brian McFee

Extreme multi-label text classification (XMTC) is the task of tagging each document with the relevant labels from a very large space of predefined categories. Recently, large pre-trained Transformer models have made significant performance…

计算与语言 · 计算机科学 2022-04-05 Ruohong Zhang , Yau-Shian Wang , Yiming Yang , Tom Vu , Likun Lei

In this paper, we provide novel algorithms with identifiability guarantees for simplex-structured matrix factorization (SSMF), a generalization of nonnegative matrix factorization. Current state-of-the-art algorithms that provide…

机器学习 · 计算机科学 2021-05-12 Maryam Abdolali , Nicolas Gillis

Accurate traffic prediction is essential for effective urban management and the improvement of transportation efficiency. Recently, data-driven traffic prediction methods have been widely adopted, with better performance than traditional…

机器学习 · 计算机科学 2024-04-02 Kehua Chen , Yuxuan Liang , Jindong Han , Siyuan Feng , Meixin Zhu , Hai Yang

Synthetic tabular data is increasingly used in privacy-sensitive domains such as health care, but existing generative models often fail to preserve inter-attribute relationships. In particular, functional dependencies (FDs) and logical…

机器学习 · 计算机科学 2025-07-28 Chaithra Umesh , Kristian Schultz , Manjunath Mahendra , Saptarshi Bej , Olaf Wolkenhauer

Tabular data is foundational to predictive modeling in various crucial industries, including healthcare, finance, retail, sustainability, etc. Despite the progress made in specialized models, there is an increasing demand for universal…

机器学习 · 计算机科学 2024-07-12 Xumeng Wen , Han Zhang , Shun Zheng , Wei Xu , Jiang Bian

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…

There has been many studies on improving the efficiency of shared learning in Multi-Task Learning(MTL). Previous work focused on the "micro" sharing perspective for a small number of tasks, while in Recommender Systems(RS) and other AI…

机器学习 · 计算机科学 2021-10-27 Junning Liu , Zijie Xia , Yu Lei , Xinjian Li , Xu Wang

Feature generation (FG) aims to enhance the prediction potential of original data by constructing high-order feature combinations and removing redundant features. It is a key preprocessing step for tabular scientific data to improve…

机器学习 · 计算机科学 2025-07-10 Meng Xiao , Junfeng Zhou , Yuanchun Zhou

Intelligent transportation system combines advanced information technology to provide intelligent services such as monitoring, detection, and early warning for modern transportation. Intelligent transportation detection is the cornerstone…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Juwu Zheng , Jiangtao Ren

Bounded model finding is a key technique for validating software designs, usually obtained by translating high-level specifications into SAT/SMT problems. Although effective, such translations introduce a semantic gap and a dependency on…

计算机科学中的逻辑 · 计算机科学 2026-03-24 Artur Boronat

Semantic segmentation and stereo matching are two essential components of 3D environmental perception systems for autonomous driving. Nevertheless, conventional approaches often address these two problems independently, employing separate…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Zhiyuan Wu , Yi Feng , Chuang-Wei Liu , Fisher Yu , Qijun Chen , Rui Fan

Large language models (LLMs) have been applied to a wide range of tasks, including text summarization, web navigation, and chatbots. They have benefitted from supervised fine-tuning (SFT) and reinforcement learning from human feedback…

计算与语言 · 计算机科学 2024-08-07 Ryan Aponte , Ryan A. Rossi , Shunan Guo , Franck Dernoncourt , Tong Yu , Xiang Chen , Subrata Mitra , Nedim Lipka

In this paper we propose a novel reinforcement learning based model for sequence tagging, referred to as MM-Tag. Inspired by the success and methodology of the AlphaGo Zero, MM-Tag formalizes the problem of sequence tagging with a Monte…

计算与语言 · 计算机科学 2018-05-21 Yadi Lao , Jun Xu , Yanyan Lan , Jiafeng Guo , Sheng Gao , Xueqi Cheng