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Asking good questions is an essential ability for both human and machine intelligence. However, existing neural question generation approaches mainly focus on the short factoid type of answers. In this paper, we propose a neural question…

Computation and Language · Computer Science 2022-06-01 Lidiya Murakhovs'ka , Chien-Sheng Wu , Philippe Laban , Tong Niu , Wenhao Liu , Caiming Xiong

We propose a method for joint multichannel speech dereverberation with two spatial-aware tasks: direction-of-arrival (DOA) estimation and speech separation. The proposed method addresses involved tasks as a sequence to sequence mapping…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-23 Yang Jiao

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

In adversarial learning, discriminator often fails to guide the generator successfully since it distinguishes between real and generated images using silly or non-robust features. To alleviate this problem, this brief presents a simple but…

Machine Learning · Computer Science 2021-01-20 Yong-Goo Shin , Yoon-Jae Yeo , Sung-Jea Ko

We propose to tackle the mode collapse problem in generative adversarial networks (GANs) by using multiple discriminators and assigning a different portion of each minibatch, called microbatch, to each discriminator. We gradually change…

Machine Learning · Computer Science 2020-01-13 Gonçalo Mordido , Haojin Yang , Christoph Meinel

There is a constant need for educators to develop and maintain effective up-to-date assessments. While there is a growing body of research in computing education on utilizing large language models (LLMs) in generation and engagement with…

Deep learning methods have recently achieved great empirical success on machine translation, dialogue response generation, summarization, and other text generation tasks. At a high level, the technique has been to train end-to-end neural…

Computation and Language · Computer Science 2017-11-28 Ziang Xie

Neural conversational models learn to generate responses by taking into account the dialog history. These models are typically optimized over the query-response pairs with a maximum likelihood estimation objective. However, the…

Computation and Language · Computer Science 2020-03-05 Shaoxiong Feng , Hongshen Chen , Kan Li , Dawei Yin

Despite recent advances, goal-directed generation of structured discrete data remains challenging. For problems such as program synthesis (generating source code) and materials design (generating molecules), finding examples which satisfy…

Machine Learning · Computer Science 2020-10-26 Amina Mollaysa , Brooks Paige , Alexandros Kalousis

Pseudo-rehearsal allows neural networks to learn a sequence of tasks without forgetting how to perform in earlier tasks. Preventing forgetting is achieved by introducing a generative network which can produce data from previously seen tasks…

Machine Learning · Computer Science 2019-11-28 Craig Atkinson , Brendan McCane , Lech Szymanski , Anthony Robins

We propose an adversarial learning approach for generating multi-turn dialogue responses. Our proposed framework, hredGAN, is based on conditional generative adversarial networks (GANs). The GAN's generator is a modified hierarchical…

Computation and Language · Computer Science 2019-06-27 Oluwatobi Olabiyi , Alan Salimov , Anish Khazane , Erik T. Mueller

Sequential recommendation is often considered as a generative task, i.e., training a sequential encoder to generate the next item of a user's interests based on her historical interacted items. Despite their prevalence, these methods…

Artificial Intelligence · Computer Science 2022-07-25 Yongjun Chen , Jia Li , Caiming Xiong

Semi-supervised learning methods based on generative adversarial networks (GANs) obtained strong empirical results, but it is not clear 1) how the discriminator benefits from joint training with a generator, and 2) why good semi-supervised…

Machine Learning · Computer Science 2017-11-06 Zihang Dai , Zhilin Yang , Fan Yang , William W. Cohen , Ruslan Salakhutdinov

Deep Generative Machine Learning Models (DGMs) have been growing in popularity across the design community thanks to their ability to learn and mimic complex data distributions. DGMs are conventionally trained to minimize statistical…

Machine Learning · Computer Science 2022-06-16 Lyle Regenwetter , Faez Ahmed

Retrieval-Augmented Generation (RAG) has proven its effectiveness in mitigating hallucinations in Large Language Models (LLMs) by retrieving knowledge from external resources. To adapt LLMs for the RAG systems, current approaches use…

Computation and Language · Computer Science 2025-03-05 Xinze Li , Sen Mei , Zhenghao Liu , Yukun Yan , Shuo Wang , Shi Yu , Zheni Zeng , Hao Chen , Ge Yu , Zhiyuan Liu , Maosong Sun , Chenyan Xiong

As a kind of generative self-supervised learning methods, generative adversarial nets have been widely studied in the field of anomaly detection. However, the representation learning ability of the generator is limited since it pays too…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Xuan Xia , Xizhou Pan , Xing He , Jingfei Zhang , Ning Ding , Lin Ma

While synthetic tabular data generation using Deep Generative Models (DGMs) offers a compelling solution to data scarcity and privacy concerns, their effectiveness relies on the availability of substantial training data, often lacking in…

Machine Learning · Computer Science 2025-08-01 Patricia A. Apellániz , Ana Jiménez , Borja Arroyo Galende , Juan Parras , Santiago Zazo

Generative models have proven to be an outstanding tool for representing high-dimensional probability distributions and generating realistic-looking images. An essential characteristic of generative models is their ability to produce…

Machine Learning · Computer Science 2019-11-26 Mohamed Elfeki , Camille Couprie , Morgane Riviere , Mohamed Elhoseiny

In this paper, we investigate the diversity aspect of paraphrase generation. Prior deep learning models employ either decoding methods or add random input noise for varying outputs. We propose a simple method Diverse Paraphrase Generation…

Computation and Language · Computer Science 2018-08-15 Qiongkai Xu , Juyan Zhang , Lizhen Qu , Lexing Xie , Richard Nock

We propose generative multitask learning (GMTL), a simple and scalable approach to causal representation learning for multitask learning. Our approach makes a minor change to the conventional multitask inference objective, and improves…

Machine Learning · Computer Science 2022-10-25 Taro Makino , Krzysztof J. Geras , Kyunghyun Cho