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Intent classification has been widely researched on English data with deep learning approaches that are based on neural networks and word embeddings. The challenge for Chinese intent classification stems from the fact that, unlike English…

计算与语言 · 计算机科学 2018-05-24 Ruixi Lin , Charles Costello , Charles Jankowski

Semantic communication (SemCom), as a novel paradigm for future communication systems, has recently attracted much attention due to its superiority in communication efficiency. However, similar to traditional communication, it also suffers…

信号处理 · 电气工程与系统科学 2026-03-26 Song Gao , Rui Meng , Xiaodong Xu , Haixiao Gao , Yiming Liu , Chenyuan Feng , Ping Zhang , Tony Q. S. Quek , Dusit Niyato

Text data are often encoded as dense vectors, known as embeddings, which capture semantic, syntactic, contextual, and domain-specific information. These embeddings, widely adopted in various applications, inherently contain rich information…

Sentence-level representations are beneficial for various natural language processing tasks. It is commonly believed that vector representations can capture rich linguistic properties. Currently, large language models (LMs) achieve…

计算与语言 · 计算机科学 2023-05-05 Haoran Li , Mingshi Xu , Yangqiu Song

Generating textual descriptions for images has been an attractive problem for the computer vision and natural language processing researchers in recent years. Dozens of models based on deep learning have been proposed to solve this problem.…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Ahmad Asadi , Reza Safabakhsh

In this contribution we propose a novel steganographic method based on several orthogonal polynomials and their combinations. The steganographic algorithm embeds a secrete message at the first eight coefficients of high frequency image.…

多媒体 · 计算机科学 2019-10-17 Anier Soria-Lorente , Stefan Berres , Ernesto Avila-Domenech

Fine-grained sentiment analysis is receiving increasing attention in recent years. Extracting opinion target expressions (OTE) in reviews is often an important step in fine-grained, aspect-based sentiment analysis. Retrieving this…

计算与语言 · 计算机科学 2017-09-20 Soufian Jebbara , Philipp Cimiano

Generative linguistic steganography mainly utilized language models and applied steganographic sampling (stegosampling) to generate high-security steganographic text (stegotext). However, previous methods generally lead to statistical…

计算与语言 · 计算机科学 2021-06-04 Siyu Zhang , Zhongliang Yang , Jinshuai Yang , Yongfeng Huang

Document network embedding aims at learning representations for a structured text corpus i.e. when documents are linked to each other. Recent algorithms extend network embedding approaches by incorporating the text content associated with…

机器学习 · 计算机科学 2020-01-13 Robin Brochier , Adrien Guille , Julien Velcin

Various methods have been proposed to secure access to sensitive information over time, such as the many cryptographic methods in use to facilitate secure communications on the internet. But other methods like steganography have been…

密码学与安全 · 计算机科学 2023-12-22 Sahil Nokhwal , Manoj Chandrasekharan , Ankit Chaudhary

Domain generation algorithms (DGAs) are frequently employed by malware to generate domains used for connecting to command-and-control (C2) servers. Recent work in DGA detection leveraged deep learning architectures like convolutional neural…

密码学与安全 · 计算机科学 2019-01-29 Joewie J. Koh , Barton Rhodes

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…

机器学习 · 计算机科学 2024-08-22 Wenbin Hu , Huihao Jing , Qi Hu , Haoran Li , Yangqiu Song

Word embedding is a Natural Language Processing (NLP) technique that automatically maps words from a vocabulary to vectors of real numbers in an embedding space. It has been widely used in recent years to boost the performance of a vari-ety…

计算与语言 · 计算机科学 2017-09-25 Arpita Roy , Youngja Park , SHimei Pan

Transferring large amount of high resolution images over limited bandwidth is an important but very challenging task. Compressing images using extremely low bitrates (<0.1 bpp) has been studied but it often results in low quality images of…

图像与视频处理 · 电气工程与系统科学 2022-11-16 Zhihong Pan , Xin Zhou , Hao Tian

Data steganography aims to conceal information within visual content, yet existing spatial- and frequency-domain approaches suffer from trade-offs between security, capacity, and perceptual quality. Recent advances in generative models,…

机器学习 · 计算机科学 2025-05-19 Tianshuo Zhang , Gao Jia , Wenzhe Zhai , Rui Yann , Xianglei Xing

Textual network embedding leverages rich text information associated with the network to learn low-dimensional vectorial representations of vertices. Rather than using typical natural language processing (NLP) approaches, recent research…

计算与语言 · 计算机科学 2019-01-15 Xinyuan Zhang , Yitong Li , Dinghan Shen , Lawrence Carin

The Semantic Layered Embedding Diffusion (SLED) mechanism redefines the representation of hierarchical semantics within transformer-based architectures, enabling enhanced contextual consistency across a wide array of linguistic tasks. By…

计算与语言 · 计算机科学 2025-03-26 Irin Kabakum , Thomas Montgomery , Daniel Ravenwood , Genevieve Harrington

A good automatic evaluation metric for language generation ideally correlates highly with human judgements of text quality. Yet, there is a dearth of such metrics, which inhibits the rapid and efficient progress of language generators. One…

计算与语言 · 计算机科学 2023-06-30 Tiago Pimentel , Clara Meister , Ryan Cotterell

Image steganography can hide information in a host image and obtain a stego image that is perceptually indistinguishable from the original one. This technique has tremendous potential in scenarios like copyright protection, information…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Huayuan Ye , Shenzhuo Zhang , Shiqi Jiang , Jing Liao , Shuhang Gu , Dejun Zheng , Changbo Wang , Chenhui Li

We consider the problem of learning efficient and inductive graph convolutional networks for text classification with a large number of examples and features. Existing state-of-the-art graph embedding based methods such as predictive text…

计算与语言 · 计算机科学 2020-09-01 Rahul Ragesh , Sundararajan Sellamanickam , Arun Iyer , Ram Bairi , Vijay Lingam