English
Related papers

Related papers: Stronger Re-identification Attacks through Reasoni…

200 papers

De-identification is the task of detecting protected health information (PHI) in medical text. It is a critical step in sanitizing electronic health records (EHRs) to be shared for research. Automatic de-identification classifierscan…

Computation and Language · Computer Science 2019-06-13 Max Friedrich , Arne Köhn , Gregor Wiedemann , Chris Biemann

The fast increase of web services and mobile apps, which collect personal data from users, increases the risk that their privacy may be severely compromised. In particular, the increasing variety of spoken language interfaces and voice…

Not all people are equally easy to identify: color statistics might be enough for some cases while others might require careful reasoning about high- and low-level details. However, prevailing person re-identification(re-ID) methods use…

Computer Vision and Pattern Recognition · Computer Science 2018-10-03 Yan Wang , Lequn Wang , Yurong You , Xu Zou , Vincent Chen , Serena Li , Gao Huang , Bharath Hariharan , Kilian Q. Weinberger

Sanitizing sensitive text data typically involves removing personally identifiable information (PII) or generating synthetic data under the assumption that these methods adequately protect privacy; however, their effectiveness is often only…

Cryptography and Security · Computer Science 2026-03-17 Rui Xin , Niloofar Mireshghallah , Shuyue Stella Li , Michael Duan , Hyunwoo Kim , Yejin Choi , Yulia Tsvetkov , Sewoong Oh , Pang Wei Koh

Sharing protected health information (PHI) is critical for furthering biomedical research. Before data can be distributed, practitioners often perform deidentification to remove any PHI contained in the text. Contemporary deidentification…

Computation and Language · Computer Science 2024-10-23 John X. Morris , Thomas R. Campion , Sri Laasya Nutheti , Yifan Peng , Akhil Raj , Ramin Zabih , Curtis L. Cole

Recently, the data protection practices of researchers in human-computer interaction and elsewhere have gained attention. Initial results suggest that researchers struggle with anonymization, partly due to a lack of clear, actionable…

Human-Computer Interaction · Computer Science 2026-05-25 Luisa Jansen , Tim Ulmann , Robine Jordi , Malte Elson

The study by De Montjoye et al. ("Science", 30 January 2015, p. 536) claimed that most individuals can be reidentified from a deidentified credit card transaction database and that anonymization mechanisms are not effective against…

Cryptography and Security · Computer Science 2016-03-21 David Sánchez , Sergio Martínez , Josep Domingo-Ferrer

Automated masking of Personally Identifiable Information (PII) is critical for privacy-preserving conversational systems. While current frontier large language models demonstrate strong PII masking capabilities, concerns about data handling…

Computation and Language · Computer Science 2025-12-23 Prabigya Acharya , Liza Shrestha

Person re-identification (re-ID) aims to identify the same person of interest across non-overlapping capturing cameras, which plays an important role in visual surveillance applications and computer vision research areas. Fitting a robust…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Fengliang Qi , Bo Yan , Leilei Cao , Hongbin Wang

Traditional person re-identification (ReID) methods typically represent person images as real-valued features, which makes ReID inefficient when the gallery set is extremely large. Recently, some hashing methods have been proposed to make…

Computer Vision and Pattern Recognition · Computer Science 2019-05-28 Ming-Wei Li , Qing-Yuan Jiang , Wu-Jun Li

Text sanitization, which employs differential privacy to replace sensitive tokens with new ones, represents a significant technique for privacy protection. Typically, its performance in preserving privacy is evaluated by measuring the…

Cryptography and Security · Computer Science 2025-05-06 Meng Tong , Kejiang Chen , Xiaojian Yuan , Jiayang Liu , Weiming Zhang , Nenghai Yu , Jie Zhang

It is important to study the risks of publishing privacy-sensitive data. Even if sensitive identities (e.g., name, social security number) were removed and advanced data perturbation techniques were applied, several de-anonymization attacks…

Social and Information Networks · Computer Science 2018-01-18 Wei-Han Lee , Changchang Liu , Shouling Ji , Prateek Mittal , Ruby Lee

Advances in imaging technologies, combined with inexpensive storage, have led to an explosion in the volume of publicly available neuroimaging datasets. Effective analyses of these images hold the potential for uncovering mechanisms that…

Cryptography and Security · Computer Science 2019-08-12 Vikram Ravindra , Ananth Grama

Recent studies have revealed the vulnerability of pre-trained language models to adversarial attacks. Existing adversarial defense techniques attempt to reconstruct adversarial examples within feature or text spaces. However, these methods…

Computation and Language · Computer Science 2024-04-02 Heng Yang , Ke Li

Dense retrievers in retrieval-augmented generation (RAG) systems exhibit systematic biases -- including brevity, position, literal matching, and repetition biases -- that can compromise retrieval quality. Query rewriting techniques are now…

Information Retrieval · Computer Science 2026-04-21 Agam Goyal , Koyel Mukherjee , Apoorv Saxena , Anirudh Phukan , Eshwar Chandrasekharan , Hari Sundaram

Automatic writer identification is a common problem in document analysis. State-of-the-art methods typically focus on the feature extraction step with traditional or deep-learning-based techniques. In retrieval problems, re-ranking is a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Simon Jordan , Mathias Seuret , Pavel Král , Ladislav Lenc , Jiří Martínek , Barbara Wiermann , Tobias Schwinger , Andreas Maier , Vincent Christlein

The success of DNNs has driven the extensive applications of person re-identification (ReID) into a new era. However, whether ReID inherits the vulnerability of DNNs remains unexplored. To examine the robustness of ReID systems is rather…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Hongjun Wang , Guangrun Wang , Ya Li , Dongyu Zhang , Liang Lin

Inspired by the effectiveness of adversarial training in the area of Generative Adversarial Networks we present a new approach for learning feature representations in person re-identification. We investigate different types of bias that…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Sara Iodice , Krystian Mikolajczyk

Unsupervised person re-identification (re-ID) aims at closing the performance gap to supervised methods. These methods build reliable relationship between data points while learning representations. However, we empirically show that the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Xuanyu He , Wei Zhang , Ran Song , Qian Zhang , Xiangyuan Lan , Lin Ma

Retrieval-augmented generation (RAG) systems can effectively mitigate the hallucination problem of large language models (LLMs),but they also possess inherent vulnerabilities. Identifying these weaknesses before the large-scale real-world…

Information Retrieval · Computer Science 2025-05-23 Hongru Song , Yu-an Liu , Ruqing Zhang , Jiafeng Guo , Yixing Fan