activity
20242026
collaborators

7 papers

cs.GT2026

Arbitrage-free Data Pricing

Yihang Wu, Zhengyu Jin, Yicheng Fu +2

We study optimal pricing of versioned data products when buyers can combine multiple purchases. A monopoly seller offers a menu of data products, and a buyer's value for data is th…

cs.LG2026

DaDaDa: A Dataset for Data Pricing in Data Marketplaces

Qiheng Sun, Hongwei Zhang, Junxu Liu +4

High-quality data drives machine learning advances across industries. Recognizing the value of data, data transactions are increasingly common, giving rise to many data marketplace…

cs.AI2026

Feature Attribution in Directed Acyclic Graphs Using Edge Intervention

Qiheng Sun, Junxu Liu, Xiaokai Mao +4

Shapley value-based feature attribution methods face challenges in scenarios involving complex feature interactions and causal relationships, even when a causal structure is provid…

cs.CL2026

APPSI-139: A Parallel Corpus of English Application Privacy Policy Summarization and Interpretation

Pengyun Zhu, Qiheng Sun, Long Wen +7

Privacy policies are essential for users to understand how service providers handle their personal data. However, these documents are often long and complex, as well as filled with…

cs.GT2025

Reliable and Private Utility Signaling for Data Markets

Li Peng, Jiayao Zhang, Yihang Wu +6

The explosive growth of data has highlighted its critical role in driving economic growth through data marketplaces, which enable extensive data sharing and access to high-quality…

cs.LG2025

CoKV: Optimizing KV Cache Allocation via Cooperative Game

Qiheng Sun, Hongwei Zhang, Haocheng Xia +3

Large language models (LLMs) have achieved remarkable success on various aspects of human life. However, one of the major challenges in deploying these models is the substantial me…