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In this paper we address a task of relation mention extraction from noisy data: extracting representative phrases for a particular relation from noisy sentences that are collected via distant supervision. Despite its significance and value…

Computation and Language · Computer Science 2018-11-06 Jun Feng , Minlie Huang , Yijie Zhang , Yang Yang , Xiaoyan Zhu

It is not an exaggeration to say that the recent progress in artificial intelligence technology depends on large-scale and high-quality data. Simultaneously, a prevalent issue exists everywhere: the budget for data labeling is constrained.…

Machine Learning · Computer Science 2023-08-22 Yujin Hwang , Won Jo , Juyoung Hong , Yukyung Choi

We present an empirical investigation of various ways to automatically identify phrases in a tagged corpus that are useful for dialogue act tagging. We found that a new method (which measures a phrase's deviation from an…

Artificial Intelligence · Computer Science 2007-05-23 Ken Samuel , Sandra Carberry , K. Vijay-Shanker

Existing approaches to active learning maximize the system performance by sampling unlabeled instances for annotation that yield the most efficient training. However, when active learning is integrated with an end-user application, this can…

Computation and Language · Computer Science 2020-05-13 Ji-Ung Lee , Christian M. Meyer , Iryna Gurevych

Large Language Models (LLMs) often exhibit systematic errors on specific subsets of data, known as error slices. For instance, a slice can correspond to a certain demographic, where a model does poorly in identifying toxic comments…

Machine Learning · Computer Science 2025-11-27 Minhui Zhang , Prahar Ijner , Yoav Wald , Elliot Creager

Recommender systems have been investigated for many years, with the aim of generating the most accurate recommendations possible. However, available data about new users is often insufficient, leading to inaccurate recommendations; an issue…

Information Retrieval · Computer Science 2022-01-20 Toon De Pessemier , Sander Vanhove , Luc Martens

Active learning - a class of algorithms that iteratively searches for the most informative samples to include in a training dataset - has been shown to be effective at annotating data for image classification. However, the use of active…

Computer Vision and Pattern Recognition · Computer Science 2018-01-17 Chieh-Chi Kao , Teng-Yok Lee , Pradeep Sen , Ming-Yu Liu

Learning-based approaches for semantic segmentation have two inherent challenges. First, acquiring pixel-wise labels is expensive and time-consuming. Second, realistic segmentation datasets are highly unbalanced: some categories are much…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Arantxa Casanova , Pedro O. Pinheiro , Negar Rostamzadeh , Christopher J. Pal

In this paper, we consider active information acquisition when the prediction model is meant to be applied on a targeted subset of the population. The goal is to label a pre-specified fraction of customers in the target or test set by…

Artificial Intelligence · Computer Science 2014-03-17 Sneha Chaudhari , Pankaj Dayama , Vinayaka Pandit , Indrajit Bhattacharya

Both humans and machines learn the meaning of unknown words through contextual information in a sentence, but not all contexts are equally helpful for learning. We introduce an effective method for capturing the level of contextual…

Computation and Language · Computer Science 2023-11-10 Sungjin Nam , David Jurgens , Gwen Frishkoff , Kevyn Collins-Thompson

We study the problem of reducing the amount of labeled training data required to train supervised classification models. We approach it by leveraging Active Learning, through sequential selection of examples which benefit the model most.…

Machine Learning · Computer Science 2019-01-18 Fedor Zhdanov

Target-dependent sentiment classification remains a challenge: modeling the semantic relatedness of a target with its context words in a sentence. Different context words have different influences on determining the sentiment polarity of a…

Computation and Language · Computer Science 2016-09-30 Duyu Tang , Bing Qin , Xiaocheng Feng , Ting Liu

Large language models (LLMs) have achieved impressive results in natural language processing but are prone to memorizing portions of their training data, which can compromise evaluation metrics, raise privacy concerns, and limit…

Machine Learning · Computer Science 2024-12-03 Eduardo Slonski

Automatic fact-checking systems detect misinformation, such as fake news, by (i) selecting check-worthy sentences for fact-checking, (ii) gathering related information to the sentences, and (iii) inferring the factuality of the sentences.…

Information Retrieval · Computer Science 2019-03-21 Casper Hansen , Christian Hansen , Stephen Alstrup , Jakob Grue Simonsen , Christina Lioma

As large language models (LLMs) become increasingly versatile, numerous large scale benchmarks have been developed to thoroughly assess their capabilities. These benchmarks typically consist of diverse datasets and prompts to evaluate…

Machine Learning · Computer Science 2024-10-10 Yang Li , Jie Ma , Miguel Ballesteros , Yassine Benajiba , Graham Horwood

The rise of process data availability has recently led to the development of data-driven learning approaches. However, most of these approaches restrict the use of the learned model to predict the future of ongoing process executions. The…

Artificial Intelligence · Computer Science 2025-07-25 Stefano Branchi , Chiara Di Francescomarino , Chiara Ghidini , David Massimo , Francesco Ricci , Massimiliano Ronzani

Active learning enhances annotation efficiency by selecting the most revealing samples for labeling, thereby reducing reliance on extensive human input. Previous methods in semantic segmentation have centered on individual pixels or small…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Jinchao Ge , Zeyu Zhang , Minh Hieu Phan , Bowen Zhang , Akide Liu , Yang Zhao , Shuwen Zhao

An active learning (AL) algorithm seeks to construct an effective classifier with a minimal number of labeled examples in a bootstrapping manner. While standard AL heuristics, such as selecting those points for annotation for which a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Ishani Mondal , Debasis Ganguly

This paper presents a comprehensive empirical comparison between two approaches for developing a base noun phrase chunker: human rule writing and active learning using interactive real-time human annotation. Several novel variations on…

Computation and Language · Computer Science 2007-05-23 Grace Ngai , David Yarowsky

Continual learning strives to ensure stability in solving previously seen tasks while demonstrating plasticity in a novel domain. Recent advances in continual learning are mostly confined to a supervised learning setting, especially in NLP…

Machine Learning · Computer Science 2024-06-03 Stella Ho , Ming Liu , Shang Gao , Longxiang Gao