Search Results for author: Xinyi Zheng

Found 8 papers, 2 papers with code

Epsilon*: Privacy Metric for Machine Learning Models

no code implementations21 Jul 2023 Diana M. Negoescu, Humberto Gonzalez, Saad Eddin Al Orjany, Jilei Yang, Yuliia Lut, Rahul Tandra, Xiaowen Zhang, Xinyi Zheng, Zach Douglas, Vidita Nolkha, Parvez Ahammad, Gennady Samorodnitsky

We introduce Epsilon*, a new privacy metric for measuring the privacy risk of a single model instance prior to, during, or after deployment of privacy mitigation strategies.

Inference Attack Membership Inference Attack

Building K-Anonymous User Cohorts with\\ Consecutive Consistent Weighted Sampling (CCWS)

no code implementations26 Apr 2023 Xinyi Zheng, Weijie Zhao, Xiaoyun Li, Ping Li

To retrieve personalized campaigns and creatives while protecting user privacy, digital advertising is shifting from member-based identity to cohort-based identity.

Network Report: A Structured Description for Network Datasets

no code implementations8 Jun 2022 Xinyi Zheng, Ryan A. Rossi, Nesreen Ahmed, Dominik Moritz

Challenges arise as networks are often used across different domains (e. g., network science, physics, etc) and have complex structures.

Answering Complex Questions by Combining Information from Curated and Extracted Knowledge Bases

no code implementations WS 2020 Nikita Bhutani, Xinyi Zheng, Kun Qian, Yunyao Li, H. Jagadish

Knowledge-based question answering (KB{\_}QA) has long focused on simple questions that can be answered from a single knowledge source, a manually curated or an automatically extracted KB.

Question Answering

Mining Persistent Activity in Continually Evolving Networks

1 code implementation27 Jun 2020 Caleb Belth, Xinyi Zheng, Danai Koutra

Frequent pattern mining is a key area of study that gives insights into the structure and dynamics of evolving networks, such as social or road networks.

Global Table Extractor (GTE): A Framework for Joint Table Identification and Cell Structure Recognition Using Visual Context

no code implementations1 May 2020 Xinyi Zheng, Doug Burdick, Lucian Popa, Xu Zhong, Nancy Xin Ru Wang

With GTE-Table, we invent a new penalty based on the natural cell containment constraint of tables to train our table network aided by cell location predictions.

Cell Detection object-detection +4

What is Normal, What is Strange, and What is Missing in a Knowledge Graph: Unified Characterization via Inductive Summarization

1 code implementation23 Mar 2020 Caleb Belth, Xinyi Zheng, Jilles Vreeken, Danai Koutra

We apply our rules to three large KGs (NELL, DBpedia, and Yago), and tasks such as compression, various types of error detection, and identification of incomplete information.

Knowledge Graphs Question Answering

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