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Modern information access ecosystems consist of mixtures of systems, such as retrieval systems and large language models, and increasingly rely on marketplaces to mediate access to models, tools, and data, making competition between systems…

Information Retrieval · Computer Science 2026-04-17 To Eun Kim , Alireza Salemi , Hamed Zamani , Fernando Diaz

We present an exploration of a reputation system based on explicit ratings weighted by the values of corresponding financial transactions from the perspective of its ability to grant "security" to market participants by protecting them from…

Multiagent Systems · Computer Science 2019-05-21 Anton Kolonin , Ben Goertzel , Cassio Pennachin , Deborah Duong , Matt Ikle , Nejc Znidar , Marco Argentieri

With the increasing complexity of collaboration among various social entities and user demands, the factors affecting the stable development of the data service market are also growing. These factors include the widespread dissemination of…

Multiagent Systems · Computer Science 2026-05-28 Deyu Zhou , Yuwei Guo , Xudong Lu , Linhao Zhang , Wei Guo , Lizhen Cui

As AI agents increasingly act on behalf of human stakeholders in economic settings, understanding their behavior in complex market environments becomes critical. This article examines how Large Language Models coordinate on markets that are…

General Economics · Economics 2026-03-11 Alexander Erlei , Lukas Meub

Agent mediated e-commerce involves buying and selling on Internet through software agents. The success of an agent mediated e-commerce system lies in the underlying reputation management system which is used to improve the quality of…

Multiagent Systems · Computer Science 2013-04-01 Vibha Gaur , Neeraj Kumar Sharma , Punam Bedi

Data sharing is the fuel of the galloping artificial intelligence economy, providing diverse datasets for training robust models. Trust between data providers and data consumers is widely considered one of the most important factors for…

Social and Information Networks · Computer Science 2025-08-20 Wenbo Wu , George Konstantinidis

This paper explores the design of a balanced data-sharing marketplace for entities with heterogeneous datasets and machine learning models that they seek to refine using data from other agents. The goal of the marketplace is to encourage…

Computer Science and Game Theory · Computer Science 2024-01-25 Aditya Bhaskara , Sreenivas Gollapudi , Sungjin Im , Kostas Kollias , Kamesh Munagala , Govind S. Sankar

The success of an agent mediated e-market system lies in the underlying reputation management system to improve the quality of services in an information asymmetric e-market. Reputation provides an operatable metric for establishing…

Multiagent Systems · Computer Science 2011-10-19 Vibha Gaur , Neeraj Kumar Sharma

Data marketplaces, which mediate the purchase and exchange of data from third parties, have attracted growing attention for reducing the cost and effort of data collection while enabling the trading of diverse datasets. However, a…

Multiagent Systems · Computer Science 2025-11-18 Jun Sashihara , Yukihisa Fujita , Kota Nakamura , Masahiro Kuwahara , Teruaki Hayashi

Reputation systems concern soft security dynamics in diverse areas. Trust dynamics in a reputation system should be stable and adaptable at the same time to serve the purpose. Many reputation mechanisms have been proposed and tested over…

Social and Information Networks · Computer Science 2019-03-15 Ekaterina Yashkina , Arseny Pinigin , JooYoung Lee , Manuel Mazzara , Akinlolu Solomon Adekotujo , Adam Zubair , Luca Longo

In the era of digital markets, the challenge for consumers is discerning quality amidst information asymmetry. While traditional markets use brand mechanisms to address this issue, transferring such systems to internet-based P2P markets,…

Computational Engineering, Finance, and Science · Computer Science 2026-01-07 H. Wen , T. Huang , D. Xiao

Market makers play an important role in providing liquidity to markets by continuously quoting prices at which they are willing to buy and sell, and managing inventory risk. In this paper, we build a multi-agent simulation of a dealer…

Trading and Market Microstructure · Quantitative Finance 2019-11-15 Sumitra Ganesh , Nelson Vadori , Mengda Xu , Hua Zheng , Prashant Reddy , Manuela Veloso

Automated recommendations can nowadays be found on many e-commerce platforms, and such recommendations can create substantial value for consumers and providers. Often, however, not all recommendable items have the same profit margin, and…

Social and Information Networks · Computer Science 2022-09-12 Nada Ghanem , Stephan Leitner , Dietmar Jannach

We simulate a reputation system in a market to optimise the balance between market security and market equity. We introduce a method of using a reputation system that will stabilise the distribution of wealth in a market in a fair manner.…

Multiagent Systems · Computer Science 2022-10-06 Anton Kolonin , Deborah Duong , Ben Goertzel , Cassio Pennachin , Matt Iklé , Nejc Znidar , Marco Argentieri

In this work we explore the implementation of the reputation system for a generic marketplace, describe details of the algorithm and parameters driving its operation, justify an approach to simulation modeling, and explore how various kinds…

Social and Information Networks · Computer Science 2019-02-12 Anton Kolonin , Ben Goertzel , Cassio Pennachin , Deborah Duong , Marco Argentieri , Nejc Znidar

In this work, we aim to design a data marketplace; a robust real-time matching mechanism to efficiently buy and sell training data for Machine Learning tasks. While the monetization of data and pre-trained models is an essential focus of…

Computer Science and Game Theory · Computer Science 2019-05-14 Anish Agarwal , Munther Dahleh , Tuhin Sarkar

Modern socio-technical systems increasingly involve multi-stakeholder environments where actors simultaneously cooperate and compete. These coopetitive relationships exhibit dynamic trust evolution based on observed behavior over repeated…

Multiagent Systems · Computer Science 2026-01-22 Vik Pant , Eric Yu

Training large language models (LLMs) requires vast amounts of high-quality data from institutions that face legal, privacy, and strategic constraints. Existing data procurement methods often rely on unverifiable trust or ignore…

Computer Science and Game Theory · Computer Science 2025-06-09 Seyed Moein Ayyoubzadeh , Kourosh Shahnazari , Mohammmadali Keshtparvar , MohammadAmin Fazli

Machine learning (especially reinforcement learning) methods for trading are increasingly reliant on simulation for agent training and testing. Furthermore, simulation is important for validation of hand-coded trading strategies and for…

Trading and Market Microstructure · Quantitative Finance 2019-12-12 Svitlana Vyetrenko , David Byrd , Nick Petosa , Mahmoud Mahfouz , Danial Dervovic , Manuela Veloso , Tucker Hybinette Balch

The software engineering research community faces a systemic crisis: peer review is failing under growing submissions, misaligned incentives, and reviewer fatigue. Community surveys reveal that researchers perceive the process as "broken."…

Multiagent Systems · Computer Science 2026-01-28 Ahmad Farooq , Kamran Iqbal
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