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This paper presents a computationally efficient variant of gradient boosting for multi-class classification and multi-output regression tasks. Standard gradient boosting uses a 1-vs-all strategy for classifications tasks with more than two…

机器学习 · 计算机科学 2024-07-25 Seyedsaman Emami , Gonzalo Martínez-Muñoz

This study aims to explore the performance improvement method of large language models based on GPT-4 under the multi-task learning framework and conducts experiments on two tasks: text classification and automatic summary generation.…

计算与语言 · 计算机科学 2024-12-10 Zhen Qi , Jiajing Chen , Shuo Wang , Bingying Liu , Hongye Zheng , Chihang Wang

The gradient boosting machine is one of the powerful tools for solving regression problems. In order to cope with its shortcomings, an approach for constructing ensembles of gradient boosting models is proposed. The main idea behind the…

机器学习 · 计算机科学 2020-10-14 Andrei V. Konstantinov , Lev V. Utkin

Recent advances in meta-learning has led to remarkable performances on several few-shot learning benchmarks. However, such success often ignores the similarity between training and testing tasks, resulting in a potential bias evaluation.…

机器学习 · 计算机科学 2021-01-28 Cuong Nguyen , Thanh-Toan Do , Gustavo Carneiro

The ACM RecSys Challenge 2023, organized by ShareChat, aims to predict the probability of the app being installed. This paper describes the lightweight solution to this challenge. We formulate the task as a user response prediction task.…

机器学习 · 计算机科学 2023-10-09 Hyeonwoo Kim , Wonsung Lee

This paper describes our contributions to the Shared Task of the 9th Workshop on Argument Mining (2022). Our approach uses Large Language Models for the task of Argument Quality Prediction. We perform prompt engineering using GPT-3, and…

计算与语言 · 计算机科学 2022-10-06 Michiel van der Meer , Myrthe Reuver , Urja Khurana , Lea Krause , Selene Báez Santamaría

Neural network based methods have obtained great progress on a variety of natural language processing tasks. However, in most previous works, the models are learned based on single-task supervised objectives, which often suffer from…

计算与语言 · 计算机科学 2016-05-18 Pengfei Liu , Xipeng Qiu , Xuanjing Huang

In this paper, we present our approach to tackle Qur'an QA 2023 shared tasks A and B. To address the challenge of low-resourced training data, we rely on transfer learning together with a voting ensemble to improve prediction stability…

计算与语言 · 计算机科学 2024-01-25 Mohammed Alaa Elkomy , Amany Sarhan

Many modern high-performing machine learning models such as GPT-3 primarily rely on scaling up models, e.g., transformer networks. Simultaneously, a parallel line of work aims to improve the model performance by augmenting an input instance…

机器学习 · 计算机科学 2022-10-07 Soumya Basu , Ankit Singh Rawat , Manzil Zaheer

Multi-task learning can leverage information learned by one task to benefit the training of other tasks. Despite this capacity, naively training all tasks together in one model often degrades performance, and exhaustively searching through…

机器学习 · 计算机科学 2021-10-27 Christopher Fifty , Ehsan Amid , Zhe Zhao , Tianhe Yu , Rohan Anil , Chelsea Finn

Gradient boosting of regression trees is a competitive procedure for learning predictive models of continuous data that fits the data with an additive non-parametric model. The classic version of gradient boosting assumes that the data is…

机器学习 · 计算机科学 2016-07-04 Iman Alodah , Jennifer Neville

Despite the recent advances showing that a model pre-trained on large-scale source code data is able to gain appreciable generalization capability, it still requires a sizeable amount of data on the target task for fine-tuning. And the…

软件工程 · 计算机科学 2023-02-13 Changan Niu , Chuanyi Li , Vincent Ng , Bin Luo

Automatic machine learning performs predictive modeling with high performing machine learning tools without human interference. This is achieved by making machine learning applications parameter-free, i.e. only a dataset is provided while…

机器学习 · 统计学 2018-07-16 Janek Thomas , Stefan Coors , Bernd Bischl

Stacked generalization is a general method of using a high-level model to combine lower-level models to achieve greater predictive accuracy. In this paper we address two crucial issues which have been considered to be a `black art' in…

人工智能 · 计算机科学 2011-05-30 K. M. Ting , I. H. Witten

Multi-Task Learning is a learning paradigm that uses correlated tasks to improve performance generalization. A common way to learn multiple tasks is through the hard parameter sharing approach, in which a single architecture is used to…

机器学习 · 计算机科学 2022-04-15 Angelica Tiemi Mizuno Nakamura , Denis Fernando Wolf , Valdir Grassi

Existing NLP datasets contain various biases that models can easily exploit to achieve high performances on the corresponding evaluation sets. However, focusing on dataset-specific biases limits their ability to learn more generalizable…

计算与语言 · 计算机科学 2020-10-08 Mingzhu Wu , Nafise Sadat Moosavi , Andreas Rücklé , Iryna Gurevych

Curriculum learning strategies in prior multi-task learning approaches arrange datasets in a difficulty hierarchy either based on human perception or by exhaustively searching the optimal arrangement. However, human perception of difficulty…

机器学习 · 计算机科学 2022-05-30 Neeraj Varshney , Swaroop Mishra , Chitta Baral

This paper proposes a universal method, Boost Picking, to train supervised classification models mainly by un-labeled data. Boost Picking only adopts two weak classifiers to estimate and correct the error. It is theoretically proved that…

计算机视觉与模式识别 · 计算机科学 2016-11-15 Fuqiang Liu , Fukun Bi , Yiding Yang , Liang Chen

As the quantum computing community gravitates towards understanding the practical benefits of quantum computers, having a clear definition and evaluation scheme for assessing practical quantum advantage in the context of specific…

机器学习 · 计算机科学 2023-05-12 Kaitlin Gili , Marta Mauri , Alejandro Perdomo-Ortiz

This paper describes the second-placed approach developed by the Fraunhofer SIT team in the CLEF-2023 CheckThat! lab Task 1B for English. Given a text snippet from a political debate, the aim of this task is to determine whether it should…

计算与语言 · 计算机科学 2023-07-28 Raphael Frick , Inna Vogel , Jeong-Eun Choi
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