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Recent research considers few-shot intent detection as a meta-learning problem: the model is learning to learn from a consecutive set of small tasks named episodes. In this work, we propose ProtAugment, a meta-learning algorithm for short…

Computation and Language · Computer Science 2021-05-28 Thomas Dopierre , Christophe Gravier , Wilfried Logerais

Recent studies emphasize the crucial role of data augmentation in enhancing the performance of object detection models. However,existing methodologies often struggle to effectively harmonize dataset diversity with semantic coordination.To…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Sen Nie , Zhuo Wang , Xinxin Wang , Kun He

Data augmentation techniques have been proven useful in many applications in NLP fields. Most augmentations are task-specific, and cannot be used as a general-purpose tool. In our work, we present AugCSE, a unified framework to utilize…

Computation and Language · Computer Science 2022-10-26 Zilu Tang , Muhammed Yusuf Kocyigit , Derry Wijaya

Data augmentation is a widely used technique to address the problem of text classification when there is a limited amount of training data. Recent work often tackles this problem using large language models (LLMs) like GPT3 that can…

Computation and Language · Computer Science 2023-10-24 Gaurav Sahu , Olga Vechtomova , Dzmitry Bahdanau , Issam H. Laradji

We present a novel technique for zero-shot paraphrase generation. The key contribution is an end-to-end multilingual paraphrasing model that is trained using translated parallel corpora to generate paraphrases into "meaning spaces" --…

Computation and Language · Computer Science 2021-10-27 Monisha Jegadeesan , Sachin Kumar , John Wieting , Yulia Tsvetkov

Text augmentation is a technique for constructing synthetic data from an under-resourced corpus to improve predictive performance. Synthetic data generation is common in numerous domains. However, recently text augmentation has emerged in…

Computation and Language · Computer Science 2023-09-12 Mosleh Mahamud , Zed Lee , Isak Samsten

Syntactically controlled paraphrase generation has become an emerging research direction in recent years. Most existing approaches require annotated paraphrase pairs for training and are thus costly to extend to new domains. Unsupervised…

Computation and Language · Computer Science 2022-11-03 Kuan-Hao Huang , Varun Iyer , Anoop Kumar , Sriram Venkatapathy , Kai-Wei Chang , Aram Galstyan

The automatic detection of hypernymy relationships represents a challenging problem in NLP. The successful application of state-of-the-art supervised approaches using distributed representations has generally been impeded by the limited…

Computation and Language · Computer Science 2021-01-25 Thomas Kober , Julie Weeds , Lorenzo Bertolini , David Weir

A key solution to temporal sentence grounding (TSG) exists in how to learn effective alignment between vision and language features extracted from an untrimmed video and a sentence description. Existing methods mainly leverage vanilla soft…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Daizong Liu , Xiaoye Qu , Pan Zhou

Retrieval-augmented generation (RAG) techniques have emerged as a promising solution to enhance the reliability of large language models (LLMs) by addressing issues like hallucinations, outdated knowledge, and domain adaptation. In…

Computation and Language · Computer Science 2025-01-28 Weihang Su , Yichen Tang , Qingyao Ai , Junxi Yan , Changyue Wang , Hongning Wang , Ziyi Ye , Yujia Zhou , Yiqun Liu

We propose an approach to domain adaptation for semantic segmentation that is both practical and highly accurate. In contrast to previous work, we abandon the use of computationally involved adversarial objectives, network ensembles and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Nikita Araslanov , Stefan Roth

Current pre-training works in natural language generation pay little attention to the problem of exposure bias on downstream tasks. To address this issue, we propose an enhanced multi-flow sequence to sequence pre-training and fine-tuning…

Computation and Language · Computer Science 2020-06-09 Dongling Xiao , Han Zhang , Yukun Li , Yu Sun , Hao Tian , Hua Wu , Haifeng Wang

We present a language independent, unsupervised method for building word embeddings using morphological expansion of text. Our model handles the problem of data sparsity and yields improved word embeddings by relying on training word…

Computation and Language · Computer Science 2017-11-16 Syed Sarfaraz Akhtar , Arihant Gupta , Avijit Vajpayee , Arjit Srivastava , Manish Shrivastava

Data augmentation has been an important ingredient for boosting performances of learned models. Prior data augmentation methods for few-shot text classification have led to great performance boosts. However, they have not been designed to…

Computation and Language · Computer Science 2021-12-23 Hazel Kim , Daecheol Woo , Seong Joon Oh , Jeong-Won Cha , Yo-Sub Han

The popularity of applying machine learning methods to computational linguistics problems has produced a large supply of trainable natural language processing systems. Most problems of interest have an array of off-the-shelf products or…

Computation and Language · Computer Science 2016-08-31 John C. Henderson

Despite pre-trained language models such as BERT have achieved appealing performance in a wide range of natural language processing tasks, they are computationally expensive to be deployed in real-time applications. A typical method is to…

Computation and Language · Computer Science 2021-06-22 Lingyun Feng , Minghui Qiu , Yaliang Li , Hai-Tao Zheng , Ying Shen

We present a generic framework for data augmentation via dependency subtree swapping that is applicable to machine translation. We extract corresponding subtrees from the dependency parse trees of the source and target sentences and swap…

Computation and Language · Computer Science 2023-07-17 Attila Nagy , Dorina Petra Lakatos , Botond Barta , Patrick Nanys , Judit Ács

Although pre-trained language models show good performance on various natural language processing tasks, they often rely on non-causal features and patterns to determine the outcome. For natural language inference tasks, previous results…

Computation and Language · Computer Science 2024-10-29 Heerin Yang , Sseung-won Hwang , Jungmin So

Text data augmentation is an effective strategy for overcoming the challenge of limited sample sizes in many natural language processing (NLP) tasks. This challenge is especially prominent in the few-shot learning scenario, where the data…

Context information around words helps in determining their actual meaning, for example "networks" used in contexts of artificial neural networks or biological neuron networks. Generative topic models infer topic-word distributions, taking…

Information Retrieval · Computer Science 2018-08-14 Pankaj Gupta , Florian Buettner , Hinrich Schütze