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The aim of the work presented in this paper is to develop and evaluate an integrated system that provides automated lecture style evaluation, allowing teachers to get instant feedback related to the goodness of their lecturing style. The…

计算机与社会 · 计算机科学 2023-12-29 Eleni Dimitriadou , Andreas Lanitis

Student's $t$ statistic is finding applications today that were never envisaged when it was introduced more than a century ago. Many of these applications rely on properties, for example robustness against heavy tailed sampling…

统计方法学 · 统计学 2010-01-25 Aurore Delaigle , Peter Hall , Jiashun Jin

Personalized fashion recommendation is a difficult task because 1) the decisions are highly correlated with users' aesthetic appetite, which previous work frequently overlooks, and 2) many new items are constantly rolling out that cause…

信息检索 · 计算机科学 2025-01-07 Chongxian Chen , Fan Mo , Xin Fan , Hayato Yamana

Person search by natural language aims at retrieving a specific person in a large-scale image pool that matches the given textual descriptions. While most of the current methods treat the task as a holistic visual and textual feature…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Zhe Wang , Zhiyuan Fang , Jun Wang , Yezhou Yang

The increased use of text data in social science research has benefited from easy-to-access data (e.g., Twitter). That trend comes at the cost of research requiring sensitive but hard-to-share data (e.g., interview data, police reports,…

计算与语言 · 计算机科学 2022-08-30 Bennett Kleinberg , Toby Davies , Maximilian Mozes

Completely Automated Public Turing Test To Tell Computers and Humans Apart (CAPTCHA) is a type of challenge-response test widely used in authentication systems. A well-known challenge it faces is the CAPTCHA farm, where workers are hired to…

密码学与安全 · 计算机科学 2023-12-19 Rui Jin , Yong Liao , Pengyuan Zhou

In this paper, we work on intra-variable handwriting, where the writing samples of an individual can vary significantly. Such within-writer variation throws a challenge for automatic writer inspection, where the state-of-the-art methods do…

计算机视觉与模式识别 · 计算机科学 2020-05-08 Chandranath Adak , Bidyut B. Chaudhuri , Chin-Teng Lin , Michael Blumenstein

Given the rapidly evolving nature of social media and people's views, word usage changes over time. Consequently, the performance of a classifier trained on old textual data can drop dramatically when tested on newer data. While research in…

计算与语言 · 计算机科学 2021-08-31 Rabab Alkhalifa , Elena Kochkina , Arkaitz Zubiaga

Text entry is a critical capability for any modern computing experience, with lightweight augmented reality (AR) glasses being no exception. Designed for all-day wearability, a limitation of lightweight AR glass is the restriction to the…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Junxiao Shen , Roger Boldu , Arpit Kalla , Michael Glueck , Hemant Bhaskar Surale Amy Karlson

Statistical data anonymization increasingly relies on fully synthetic microdata, for which classical identity disclosure measures are less informative than an adversary's ability to infer sensitive attributes from released data. We…

机器学习 · 计算机科学 2026-02-11 Matthias Templ , Oscar Thees , Roman Müller

We propose a novel method to bootstrap text anonymization models based on distant supervision. Instead of requiring manually labeled training data, the approach relies on a knowledge graph expressing the background information assumed to be…

计算与语言 · 计算机科学 2022-05-17 Anthi Papadopoulou , Pierre Lison , Lilja Øvrelid , Ildikó Pilán

Detecting AI-generated text is an important but challenging problem. Existing likelihood-based detection methods are often sensitive to content complexity and may exhibit unstable performance. In this paper, our key insight is that modern…

人工智能 · 计算机科学 2026-04-21 Junxi Wu , Kailin Huang , Dongjian Hu , Bin Chen , Hao Wu , Shu-Tao Xia , Changliang Zou

In this paper, we present a fast and strong neural approach for general purpose text matching applications. We explore what is sufficient to build a fast and well-performed text matching model and propose to keep three key features…

计算与语言 · 计算机科学 2019-08-02 Runqi Yang , Jianhai Zhang , Xing Gao , Feng Ji , Haiqing Chen

In this paper, we propose four continuous authentication designs by using the characteristics of arm movements while individuals walk. The first design uses acceleration of arms captured by a smartwatch's accelerometer sensor, the second…

计算机视觉与模式识别 · 计算机科学 2016-03-08 Rajesh Kumar , Vir V Phoha , Rahul Raina

Data availability is a bottleneck during early stages of development of new capabilities for intelligent artificial agents. We investigate the use of text generation techniques to augment the training data of a popular commercial artificial…

计算与语言 · 计算机科学 2019-10-09 Nikolaos Malandrakis , Minmin Shen , Anuj Goyal , Shuyang Gao , Abhishek Sethi , Angeliki Metallinou

Click-through rate (CTR) prediction is a vital task in industrial recommendation systems. Most existing methods focus on the network architecture design of the CTR model for better accuracy and suffer from the data sparsity problem.…

信息检索 · 计算机科学 2023-12-19 Qi Liu , Xuyang Hou , Defu Lian , Zhe Wang , Haoran Jin , Jia Cheng , Jun Lei

In this paper, we propose a pixel-wise method named TextCohesion for scene text detection, which splits a text instance into five key components: a Text Skeleton and four Directional Pixel Regions. These components are easier to handle than…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Weijia Wu , Jici Xing , Hong Zhou

We consider the development of adaptive, instance-dependent algorithms for interactive decision making (bandits, reinforcement learning, and beyond) that, rather than only performing well in the worst case, adapt to favorable properties of…

机器学习 · 计算机科学 2023-04-26 Andrew Wagenmaker , Dylan J. Foster

To mitigate dictionary attacks or similar undesirable automated attacks to information systems, developers mostly prefer using CAPTCHA challenges as Human Interactive Proofs (HIPs) to distinguish between human users and scripts. Appropriate…

密码学与安全 · 计算机科学 2023-12-01 Emre Mulazimoglu , Murat P. Cakir , Cengiz Acarturk

Language Identification (LID) is a challenging task, especially when the input texts are short and noisy such as posts and statuses on social media or chat logs on gaming forums. The task has been tackled by either designing a feature set…

计算与语言 · 计算机科学 2019-10-16 Duy Tin Vo , Richard Khoury
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