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In this paper, the problem of describing visual contents of a video sequence with natural language is addressed. Unlike previous video captioning work mainly exploiting the cues of video contents to make a language description, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-02 Bairui Wang , Lin Ma , Wei Zhang , Wei Liu

Prevailing research practice today often relies on training dense retrievers on existing large datasets such as MSMARCO and then experimenting with ways to improve zero-shot generalization capabilities to unseen domains. While prior work…

Information Retrieval · Computer Science 2023-11-17 Hyunji Lee , Luca Soldaini , Arman Cohan , Minjoon Seo , Kyle Lo

Growing techniques have been emerging to improve the performance of passage retrieval. As an effective representation bottleneck pretraining technique, the contextual masked auto-encoder utilizes contextual embedding to assist in the…

Computation and Language · Computer Science 2023-04-07 Xing Wu , Guangyuan Ma , Peng Wang , Meng Lin , Zijia Lin , Fuzheng Zhang , Songlin Hu

Context plays an important role in human language understanding, thus it may also be useful for machines learning vector representations of language. In this paper, we explore an asymmetric encoder-decoder structure for unsupervised…

Neural and Evolutionary Computing · Computer Science 2018-06-04 Shuai Tang , Hailin Jin , Chen Fang , Zhaowen Wang , Virginia R. de Sa

We introduce Wav2Seq, the first self-supervised approach to pre-train both parts of encoder-decoder models for speech data. We induce a pseudo language as a compact discrete representation, and formulate a self-supervised pseudo speech…

Computation and Language · Computer Science 2022-05-03 Felix Wu , Kwangyoun Kim , Shinji Watanabe , Kyu Han , Ryan McDonald , Kilian Q. Weinberger , Yoav Artzi

Autoencoders are composed of coding and decoding units, hence they hold the inherent potential of high-performance data compression and signal compressed sensing. The main disadvantages of current autoencoders comprise the following several…

Machine Learning · Computer Science 2022-07-28 Honggui Li , Dimitri Galayko , Maria Trocan , Mohamad Sawan

Audio pretrained models are widely employed to solve various tasks in speech processing, sound event detection, or music information retrieval. However, the representations learned by these models are unclear, and their analysis mainly…

Ranking has always been one of the top concerns in information retrieval research. For decades, lexical matching signal has dominated the ad-hoc retrieval process, but it also has inherent defects, such as the vocabulary mismatch problem.…

Information Retrieval · Computer Science 2020-10-21 Jingtao Zhan , Jiaxin Mao , Yiqun Liu , Min Zhang , Shaoping Ma

The conversion from text to speech relies on the accurate mapping from linguistic to acoustic symbol sequences, for which current practice employs recurrent statistical models like recurrent neural networks. Despite the good performance of…

Sound · Computer Science 2018-11-07 Santiago Pascual , Antonio Bonafonte , Joan Serrà

In autonomous embedded systems, it is often vital to reduce the amount of actions taken in the real world and energy required to learn a policy. Training reinforcement learning agents from high dimensional image representations can be very…

Machine Learning · Computer Science 2019-03-26 Bharat Prakash , Mark Horton , Nicholas R. Waytowich , William David Hairston , Tim Oates , Tinoosh Mohsenin

In this paper, the problem of describing visual contents of a video sequence with natural language is addressed. Unlike previous video captioning work mainly exploiting the cues of video contents to make a language description, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Wei Zhang , Bairui Wang , Lin Ma , Wei Liu

Sentence embeddings are commonly used in text clustering and semantic retrieval tasks. State-of-the-art sentence representation methods are based on artificial neural networks fine-tuned on large collections of manually labeled sentence…

Computation and Language · Computer Science 2022-07-27 Sławomir Dadas

Textual graphs are ubiquitous in real-world applications, featuring rich text information with complex relationships, which enables advanced research across various fields. Textual graph representation learning aims to generate…

Machine Learning · Computer Science 2024-08-22 Wenbin Hu , Huihao Jing , Qi Hu , Haoran Li , Yangqiu Song

The challenging field of scene text detection requires complex data annotation, which is time-consuming and expensive. Techniques, such as weak supervision, can reduce the amount of data needed. In this paper we propose a weak supervision…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Emanuel Metzenthin , Christian Bartz , Christoph Meinel

In sentence compression, the task of shortening sentences while retaining the original meaning, models tend to be trained on large corpora containing pairs of verbose and compressed sentences. To remove the need for paired corpora, we…

Computation and Language · Computer Science 2018-09-11 Thibault Févry , Jason Phang

Code retrieval aims to provide users with desired code snippets based on users' natural language queries. With the development of deep learning technologies, adopting pre-trained models for this task has become mainstream. Considering the…

Software Engineering · Computer Science 2025-08-04 Wenchao Gu , Zongyi Lyu , Yanlin Wang , Hongyu Zhang , Cuiyun Gao , Michael R. Lyu

Text simplification (TS) aims to reduce the lexical and structural complexity of a text, while still retaining the semantic meaning. Current automatic TS techniques are limited to either lexical-level applications or manually defining a…

Computation and Language · Computer Science 2016-09-14 Tong Wang , Ping Chen , Kevin Amaral , Jipeng Qiang

Self-supervised learning has shown great success in Speech Recognition. However, it has been observed that finetuning all layers of the learned model leads to lower performance compared to resetting top layers. This phenomenon is attributed…

Computation and Language · Computer Science 2024-05-15 Valentin Vielzeuf

Cross encoders (CEs) are trained with sentence pairs to detect relatedness. As CEs require sentence pairs at inference, the prevailing view is that they can only be used as re-rankers in information retrieval pipelines. Dual encoders (DEs)…

Computation and Language · Computer Science 2025-02-07 Haritha Ananthakrishnan , Julian Dolby , Harsha Kokel , Horst Samulowitz , Kavitha Srinivas

The requiring of large amounts of annotated training data has become a common constraint on various deep learning systems. In this paper, we propose a weakly supervised scene text detection method (WeText) that trains robust and accurate…

Computer Vision and Pattern Recognition · Computer Science 2017-10-16 Shangxuan Tian , Shijian Lu , Chongshou Li