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We study information aggregation in a dynamic trading model with partially informed traders. Ostrovsky [2012] showed that `separable' securities aggregate information in all equilibria, however, determining whether a security is separable…

Theoretical Economics · Economics 2026-04-23 Spyros Galanis , Sergei Mikhalishchev

This paper studies optimal mechanisms for collecting and trading data. Consumers benefit from revealing information about their tastes to a service provider because this improves the service. However, the information is also valuable to a…

Theoretical Economics · Economics 2026-01-29 Jiadong Gu

The management of sensitive data, including identity management (IDM), is an important problem in cloud computing, fundamental for authentication and fine-grained service access control. Our goal is creating an efficient and robust IDM…

Cryptography and Security · Computer Science 2019-04-02 Akram Sarhan , Leszek Lilien

There has been an unprecedented surge in the number of service providers offering a wide range of machine learning prediction APIs for tasks such as image classification, language translation, etc. thereby monetizing the underlying data and…

Computers and Society · Computer Science 2018-12-06 Vijay Arya , Sayandeep Sen , Palani Kodeswaran

We are tackling the problem of trading real-world private information using only cryptographic protocols and a public blockchain to guarantee honest transactions. In this project, we consider three types of agents --buyers, sellers and…

Cryptography and Security · Computer Science 2019-07-31 Ariel Futoransky , Carlos Sarraute , Ariel Waissbein , Daniel Fernandez , Matias Travizano , Martin Minnoni

The blockchain technology empowers secure, trustless, and privacy-preserving trading with cryptocurrencies. However, existing blockchain-based trading platforms only support trading cryptocurrencies with digital assets (e.g., NFTs).…

Cryptography and Security · Computer Science 2022-06-16 Shuhao Zheng , Junliang Luo , Erqun Dong , Can Chen , Xue Liu

I consider the monopolistic pricing of informational good. A buyer's willingness to pay for information is from inferring the unknown payoffs of actions in decision making. A monopolistic seller and the buyer each observes a private signal…

Theoretical Economics · Economics 2018-10-18 Weijie Zhong

Blockchain based systems allow various kinds of financial transactions to be executed in a decentralized manner. However, these systems often rely on a trusted third party (oracle) to get correct information about the real-world events,…

Artificial Intelligence · Computer Science 2020-07-28 Naman Goel , Cyril van Schreven , Aris Filos-Ratsikas , Boi Faltings

The proliferation of fake news has emerged as a severe societal problem, raising significant interest from industry and academia. While existing deep-learning based methods have made progress in detecting fake news accurately, their…

Computation and Language · Computer Science 2024-05-29 Hui Liu , Wenya Wang , Haoru Li , Haoliang Li

The present paper shows that it can be advantageous for traders to publish their information on the true value of an asset even if they (i) cannot build a position in the asset prior to the publication of their information and (ii) cannot…

General Economics · Economics 2024-11-05 Wolfgang Kuhle

Data trading has been hindered by privacy concerns associated with user-owned data and the infinite reproducibility of data, making it challenging for data owners to retain exclusive rights over their data once it has been disclosed.…

Computer Science and Game Theory · Computer Science 2023-05-12 Yi Yu , Shengyue Yao , Juanjuan Li , Fei-Yue Wang , Yilun Lin

We study strategic interactions in a broker-mediated market in which agents learn and exploit each other's private information. A broker provides liquidity to an informed trader and to noise traders while managing inventory in a lit market.…

Trading and Market Microstructure · Quantitative Finance 2026-01-21 Alif Aqsha , Fayçal Drissi , Leandro Sánchez-Betancourt

The increasing connectivity and intricate remote access environment have made traditional perimeter-based network defense vulnerable. Zero trust becomes a promising approach to provide defense policies based on agent-centric trust…

Artificial Intelligence · Computer Science 2023-03-07 Yunfei Ge , Tao Li , Quanyan Zhu

Suppliers (including companies and individual prosumers) may wish to protect their private information when selling items they have in stock. A market is envisaged where private information can be protected through the use of differential…

Cryptography and Security · Computer Science 2015-09-23 Maurizio Naldi , Giuseppe D'Acquisto

The potential for blockchain technology to eliminate the middleman and replace the top down hierarchical model of governance with a system of distributed cooperation has opened up many new opportunities, as well as dilemmas. Surpassing the…

Software Engineering · Computer Science 2023-04-12 Simona Ramos , Morshed Mannan

Crowd-intelligence tries to gather, process, infer and ascertain massive useful information by utilizing the intelligence of crowds or distributed computers, which has great potential in Industrial Internet of Things (IIoT). A…

Computers and Society · Computer Science 2019-02-19 Jinliang Xu , Shangguang Wang , Bharat K. Bhargava , Fangchun Yang

This position paper argues that reliable AI requires infrastructure for human validation of implicit knowledge. AI learns from both explicit knowledge (papers, documentation, structured databases) and implicit knowledge (reasoning patterns,…

Artificial Intelligence · Computer Science 2026-05-26 Hengyu Liu , Tianyi Li , Zhihong Cui , Yushuai Li , Zhangkai Wu , Torben Bach Pedersen , Kristian Torp , Christian S. Jensen

Cloud computing platform gives people the opportunity for sharing resources, services and information among the people of the whole world. In private cloud system, information is shared among the persons who are in that cloud. Presently,…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-04-26 Kawser Wazed Nafi , Tonny Shekha Kar , Amjad Hossain , M. M. A Hashem

Modern mathematics is built on the idea that proofs should be translatable into formal proofs, whose validity is an objective question, decidable by a computer. Yet, in practice, proofs are informal and may omit many details. An agent…

Computer Science and Game Theory · Computer Science 2021-10-14 Sylvain Carré , Franck Gabriel , Clément Hongler , Gustavo Lacerda , Gloria Capano

Blind quantum computation protocols allow a user with limited quantum technology to delegate an intractable computation to a quantum server while keeping the computation perfectly secret. Whereas in some protocols a user can verify that…

Quantum Physics · Physics 2016-04-04 Kentaro Honda