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Large language models (LLMs) play a crucial role in natural language processing (NLP) tasks, improving the understanding, generation, and manipulation of human language across domains such as translating, summarizing, and classifying text.…

Computation and Language · Computer Science 2025-03-04 Anna Glazkova , Olga Zakharova

Data augmentations are effective in improving the invariance of learning machines. We argue that the core challenge of data augmentations lies in designing data transformations that preserve labels. This is relatively straightforward for…

Machine Learning · Computer Science 2023-03-01 Youzhi Luo , Michael McThrow , Wing Yee Au , Tao Komikado , Kanji Uchino , Koji Maruhashi , Shuiwang Ji

The lack of labeled data is a major obstacle to learning high-quality sentence embeddings. Recently, self-supervised contrastive learning (SCL) is regarded as a promising way to address this problem. However, the existing works mainly rely…

Computation and Language · Computer Science 2022-03-01 Junhan Yang , Zheng Liu , Shitao Xiao , Jianxun Lian , Lijun Wu , Defu Lian , Guangzhong Sun , Xing Xie

The construction of open-domain dialogue systems requires high-quality dialogue datasets. The dialogue data admits a wide variety of responses for a given dialogue history, especially responses with different semantics. However, collecting…

Computation and Language · Computer Science 2022-11-01 Jiao Ou , Jinchao Zhang , Yang Feng , Jie Zhou

Manipulating data, such as weighting data examples or augmenting with new instances, has been increasingly used to improve model training. Previous work has studied various rule- or learning-based approaches designed for specific types of…

Machine Learning · Computer Science 2019-10-29 Zhiting Hu , Bowen Tan , Ruslan Salakhutdinov , Tom Mitchell , Eric P. Xing

Label distribution (LD) uses the description degree to describe instances, which provides more fine-grained supervision information when learning with label ambiguity. Nevertheless, LD is unavailable in many real-world applications. To…

Machine Learning · Computer Science 2023-03-22 Zhiqiang Kou , Yuheng Jia , Jing Wang , Boyu Shi , Xin Geng

The lack of contextual information in text data can make the annotation process of text-based emotion classification datasets challenging. As a result, such datasets often contain labels that fail to consider all the relevant emotions in…

Computation and Language · Computer Science 2023-11-08 Daniel Yang , Aditya Kommineni , Mohammad Alshehri , Nilamadhab Mohanty , Vedant Modi , Jonathan Gratch , Shrikanth Narayanan

The ability to jointly learn from multiple modalities, such as text, audio, and visual data, is a defining feature of intelligent systems. While there have been promising advances in designing neural networks to harness multimodal data, the…

Machine Learning · Computer Science 2023-04-25 Zichang Liu , Zhiqiang Tang , Xingjian Shi , Aston Zhang , Mu Li , Anshumali Shrivastava , Andrew Gordon Wilson

Data augmentation, a cornerstone technique in deep learning, is crucial in enhancing model performance, especially with scarce labeled data. While traditional techniques are effective, their reliance on hand-crafted methods limits their…

Machine Learning · Computer Science 2024-10-04 Mucong Ding , Bang An , Yuancheng Xu , Anirudh Satheesh , Furong Huang

Data augmentation is proven to be effective in many NLU tasks, especially for those suffering from data scarcity. In this paper, we present a powerful and easy to deploy text augmentation framework, Data Boost, which augments data through…

Computation and Language · Computer Science 2020-12-08 Ruibo Liu , Guangxuan Xu , Chenyan Jia , Weicheng Ma , Lili Wang , Soroush Vosoughi

We propose a generative framework for joint sequence labeling and sentence-level classification. Our model performs multiple sequence labeling tasks at once using a single, shared natural language output space. Unlike prior discriminative…

Computation and Language · Computer Science 2020-09-29 Ben Athiwaratkun , Cicero Nogueira dos Santos , Jason Krone , Bing Xiang

Large amounts of annotated data have become more important than ever, especially since the rise of deep learning techniques. However, manual annotations are costly. We propose a tool that enables researchers to create large, high-quality,…

Digital Libraries · Computer Science 2021-12-23 Franziska Weeber , Felix Hamborg , Karsten Donnay , Bela Gipp

Data augmentation uses artificially-created examples to support supervised machine learning, adding robustness to the resulting models and helping to account for limited availability of labelled data. We apply and evaluate a synthetic data…

Digital Libraries · Computer Science 2022-08-25 Peter Organisciak , Maggie Ryan

Sentiment-aware intelligent systems are essential to a wide array of applications. These systems are driven by language models which broadly fall into two paradigms: Lexicon-based and contextual. Although recent contextual models are…

Data augmentation reduces the generalization error by forcing a model to learn invariant representations given different transformations of the input image. In computer vision, on top of the standard image processing functions, data…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Rowel Atienza

Modeling contextual information in a search session has drawn more and more attention when understanding complex user intents. Recent methods are all data-driven, i.e., they train different models on large-scale search log data to identify…

Information Retrieval · Computer Science 2024-07-08 Haonan Chen , Zhicheng Dou , Yutao Zhu , Ji-Rong Wen

BERT is inefficient for sentence-pair tasks such as clustering or semantic search as it needs to evaluate combinatorially many sentence pairs which is very time-consuming. Sentence BERT (SBERT) attempted to solve this challenge by learning…

Computation and Language · Computer Science 2021-02-08 Yan Zhang , Ruidan He , Zuozhu Liu , Kwan Hui Lim , Lidong Bing

Tremendous amounts of multimedia associated with speech information are driving an urgent need to develop efficient and effective automatic summarization methods. To this end, we have seen rapid progress in applying supervised deep neural…

Computation and Language · Computer Science 2020-06-03 Shi-Yan Weng , Tien-Hong Lo , Berlin Chen

Common language models typically predict the next word given the context. In this work, we propose a method that improves language modeling by learning to align the given context and the following phrase. The model does not require any…

Computation and Language · Computer Science 2019-06-06 Hongyin Luo , Lan Jiang , Yonatan Belinkov , James Glass

Recent studies on semantic frame induction show that relatively high performance has been achieved by using clustering-based methods with contextualized word embeddings. However, there are two potential drawbacks to these methods: one is…

Computation and Language · Computer Science 2021-05-31 Kosuke Yamada , Ryohei Sasano , Koichi Takeda
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