Trust is required in file sharing peer-to-peer (P2P) systems to achieve better cooperation among peers and reduce malicious uploads. In reputation-based P2P systems, reputation is used to build trust among peers based on their past transactions and feedbacks from other peers. In these systems, reputable peers will usually be selected to upload requested files, decreasing significantly malicious...

PeerWise (https://peerwise.cs.auckland.ac.nz/) is a system which allows students to create multiple-choice questions for other students, answer posed by their peers and then provide feedback (Denny et al, 2008). There evidence in the literature show this method of assessment has positive impact (e.g., Guilding al. 2021; Fergus Feeley Parris 2012), particularly on students’ attainment engagement...

In a P2P free-market resource economy a client peer may want to select multiple server peers for either downloading a file or streaming a stored audio or video object. In general, multiple server peers will make the object available, with each peer offering a different price. The optimal peer selection problem is to select from a subset of the peers those peers that can provide the service at l...