38 Eigentrust PPTs View free & download

The EigenTrust Algorithm for Reputation Management in P2P Networks PowerPoint PPT Presentation

The EigenTrust Algorithm for Reputation Management in P2P Networks - The EigenTrust Algorithm for Reputation Management in P2P Networks Sepandar D.Kamvar Mario T.Schlosser Hector Garcia-Molina P2P Networks and Reputation Systems ...

The EigenTrust Algorithm for Reputation Management in P2P Networks Sepandar D.Kamvar Mario T.Schlosser Hector Garcia-Molina P2P Networks and Reputation Systems ...

| PowerPoint PPT presentation | free to download

The EigenTrust Algorithm for Reputation Management in P2P Networks - Each peer i holds its own opinions ci. ... Provide authentic files some of the time to trick good peers into giving them good opinions. ...

Each peer i holds its own opinions ci. ... Provide authentic files some of the time to trick good peers into giving them good opinions. ...

| PowerPoint PPT presentation | free to view

THE EIGENTRUST ALGORITHM FOR REPUTATION MANAGEMENT IN P2P NETWORKS - THE EIGENTRUST ALGORITHM FOR REPUTATION MANAGEMENT IN P2P NETWORKS. Sepandar D. Kamvar Mario T. Schlosser Hector Garcia-Molina. Stanford University ...

THE EIGENTRUST ALGORITHM FOR REPUTATION MANAGEMENT IN P2P NETWORKS. Sepandar D. Kamvar Mario T. Schlosser Hector Garcia-Molina. Stanford University ...

| PowerPoint PPT presentation | free to view

Differentiated Admission for Peer-to-Peer Systems PowerPoint PPT Presentation

Differentiated Admission for Peer-to-Peer Systems - ... PeerTrust, EigenTrust, PeerRank PeerRank - Reputation Ranking Admission System: An Overview When node X receives a request from node Y for content, ...

... PeerTrust, EigenTrust, PeerRank PeerRank - Reputation Ranking Admission System: An Overview When node X receives a request from node Y for content, ...

| PowerPoint PPT presentation | free to view

Resisting Sybil Attacks on Peertopeer Marketplaces PowerPoint PPT Presentation

Resisting Sybil Attacks on Peertopeer Marketplaces - Resisting Sybil Attacks on Peer-to-peer Marketplaces. Jonathan ... Sybil attacks use fluid online identities to unfairly increase/decrease a target's reputation ...

Resisting Sybil Attacks on Peer-to-peer Marketplaces. Jonathan ... Sybil attacks use fluid online identities to unfairly increase/decrease a target's reputation ...

| PowerPoint PPT presentation | free to view

Trust - An example of Computation Mode A computational Model of Trust and Reputation ... for Reputation Management in P2P Networks ... Advantages of normalizing ...

An example of Computation Mode A computational Model of Trust and Reputation ... for Reputation Management in P2P Networks ... Advantages of normalizing ...

| PowerPoint PPT presentation | free to download

REPUTATION MANAGEMENT IN DECENTRALIZED NETWORKS PowerPoint PPT Presentation

REPUTATION MANAGEMENT IN DECENTRALIZED NETWORKS - Centralized systems web marketplaces, e.g. eBay. Decentralized systems ... Avoid arithmetic summation schemes: eBay. Reputation fading: PeerTrust ...

Centralized systems web marketplaces, e.g. eBay. Decentralized systems ... Avoid arithmetic summation schemes: eBay. Reputation fading: PeerTrust ...

| PowerPoint PPT presentation | free to view

A Survey of Trust Management Systems PowerPoint PPT Presentation

A Survey of Trust Management Systems - Tragedy of the commons. STRUDEL: distributed framework ... Combat Tragedy of the commons (Selfishness of Nodes) MATE (2006) Mobile ad-hoc ...

Tragedy of the commons. STRUDEL: distributed framework ... Combat Tragedy of the commons (Selfishness of Nodes) MATE (2006) Mobile ad-hoc ...

| PowerPoint PPT presentation | free to download

Robust Incentives via Multilevel Titfortat PowerPoint PPT Presentation

Robust Incentives via Multilevel Titfortat - genuine incentives: must collaborate/share to benefit ... The Maze p2p file sharing system. Existing collusion behaviors. Why simple algorithms do not work ...

genuine incentives: must collaborate/share to benefit ... The Maze p2p file sharing system. Existing collusion behaviors. Why simple algorithms do not work ...

| PowerPoint PPT presentation | free to download

Peer to Peer Systems and File Sharing PowerPoint PPT Presentation

Peer to Peer Systems and File Sharing - Kazaa. Hybrid of Napster model and Gnutella model. Notion of a super peer ... 'Free-riding' Definition: downloading but not sharing any data ...

Kazaa. Hybrid of Napster model and Gnutella model. Notion of a super peer ... 'Free-riding' Definition: downloading but not sharing any data ...

| PowerPoint PPT presentation | free to download

FairTorrent: Bringing Fairness to Peer-to-Peer Systems PowerPoint PPT Presentation

FairTorrent: Bringing Fairness to Peer-to-Peer Systems - FairTorrent Azureus New algorithm for fair bandwidth allocation Instrumented all ... peers to request ... Completion Time Dynamic Tests Max ...

FairTorrent Azureus New algorithm for fair bandwidth allocation Instrumented all ... peers to request ... Completion Time Dynamic Tests Max ...

| PowerPoint PPT presentation | free to download

Towards Trust Enhanced P2P Systems PowerPoint PPT Presentation

Towards Trust Enhanced P2P Systems - Content Delivery Network (CDN) proxy based. Akamai ... weight in the random walk, the colluding nodes will stall the random walk. ...

Content Delivery Network (CDN) proxy based. Akamai ... weight in the random walk, the colluding nodes will stall the random walk. ...

| PowerPoint PPT presentation | free to view

Lapsy Garg - P2P Nodes act both as servers and clients. Resilient to ... Ability to merge malicious traffic ... BearShare. Gtk-Gnutella. Each Servant has a self ...

P2P Nodes act both as servers and clients. Resilient to ... Ability to merge malicious traffic ... BearShare. Gtk-Gnutella. Each Servant has a self ...

| PowerPoint PPT presentation | free to download

Reputation - According to Oxford dictionary, reputation is the 'Common or general estimate of ... may be trustworthy on selling books but not on providing medical devices. ...

According to Oxford dictionary, reputation is the 'Common or general estimate of ... may be trustworthy on selling books but not on providing medical devices. ...

| PowerPoint PPT presentation | free to download

Trust and Reputation System PowerPoint PPT Presentation

Trust and Reputation System - Trust and Reputation System S. Felix Wu University of California, Davis wu@cs.ucdavis.edu http://www.cs.ucdavis.edu/~wu/

Trust and Reputation System S. Felix Wu University of California, Davis wu@cs.ucdavis.edu http://www.cs.ucdavis.edu/~wu/

| PowerPoint PPT presentation | free to view

Limiting Duplicate Identities in Distributed Systems PowerPoint PPT Presentation

Limiting Duplicate Identities in Distributed Systems - Limiting Duplicate Identities in Distributed Systems Elliot Jaffe, Dahlia Malkhi, Elan Pavlov The Hebrew University of Jerusalem Presented at Future Directions in ...

Limiting Duplicate Identities in Distributed Systems Elliot Jaffe, Dahlia Malkhi, Elan Pavlov The Hebrew University of Jerusalem Presented at Future Directions in ...

| PowerPoint PPT presentation | free to download

Yitzchak Rosenthal PowerPoint PPT Presentation

Yitzchak Rosenthal - Many P2P protocols require clients to divulge 'private information'. Examples: Amount of bandwidth a client has for uploading files. ... Credence algorithm ...

Many P2P protocols require clients to divulge 'private information'. Examples: Amount of bandwidth a client has for uploading files. ... Credence algorithm ...

| PowerPoint PPT presentation | free to download

Trust and Reputation System - Each peer i holds its own opinions ci. ... Provide authentic files some of the time to trick good peers into giving them good opinions. ...

Each peer i holds its own opinions ci. ... Provide authentic files some of the time to trick good peers into giving them good opinions. ...

| PowerPoint PPT presentation | free to download

A Trust Management Framework for ServiceOriented Environments PowerPoint PPT Presentation

A Trust Management Framework for ServiceOriented Environments - A Trust Management Framework for Service-Oriented Environments. William Conner, Arun Iyengar, ... No Sybil attacks. XRep and PeerTrust share this assumption ...

A Trust Management Framework for Service-Oriented Environments. William Conner, Arun Iyengar, ... No Sybil attacks. XRep and PeerTrust share this assumption ...

| PowerPoint PPT presentation | free to download

Computing Trust in Social Networks PowerPoint PPT Presentation

Computing Trust in Social Networks - Profile is a list of movies and the hypothetical user's ratings of them ... User ratings r1...r10 for m1...m10. r1...r4 are extreme (1,2,9, or 10) r5...r10 are ...

Profile is a list of movies and the hypothetical user's ratings of them ... User ratings r1...r10 for m1...m10. r1...r4 are extreme (1,2,9, or 10) r5...r10 are ...

| PowerPoint PPT presentation | free to view

Decentralized P2P Reputation Schemes: Do They Work? PowerPoint PPT Presentation

Decentralized P2P Reputation Schemes: Do They Work? - Trust calculations. Recent transactions matter most ... Updates require re-calculation ... Distributed calculation is too expensive ...

Trust calculations. Recent transactions matter most ... Updates require re-calculation ... Distributed calculation is too expensive ...

| PowerPoint PPT presentation | free to view

MTRMS: MutualTrustbased Reputation Management System PowerPoint PPT Presentation

MTRMS: MutualTrustbased Reputation Management System - Caste. Mutual. Reputation. Meta. Reputation. 1. ... Caste. Indicates social position (level) from reliable third party. 10. Distributed Systems Lab. ...

Caste. Mutual. Reputation. Meta. Reputation. 1. ... Caste. Indicates social position (level) from reliable third party. 10. Distributed Systems Lab. ...

| PowerPoint PPT presentation | free to view

A Paymentbased Incentive and Service Differentiation Mechanism for P2P Streaming Broadcast PowerPoint PPT Presentation

A Paymentbased Incentive and Service Differentiation Mechanism for P2P Streaming Broadcast - Auction-based model (Semret et al. JSAC'00) Incentive & ServDiff Mechanisms for ... as more peers choose to stay online and contribute after the normal session ...

Auction-based model (Semret et al. JSAC'00) Incentive & ServDiff Mechanisms for ... as more peers choose to stay online and contribute after the normal session ...

| PowerPoint PPT presentation | free to view

p2p06 - ... Implementation If a p2p system uses ... Less durability/availability Types of Replication Caching vs ... Consistency Maintenance Make reads faster in ...

... Implementation If a p2p system uses ... Less durability/availability Types of Replication Caching vs ... Consistency Maintenance Make reads faster in ...

| PowerPoint PPT presentation | free to download

FRIENDS: File Retrieval In a dEcentralized Network Distribution System PowerPoint PPT Presentation

FRIENDS: File Retrieval In a dEcentralized Network Distribution System - Illegal file sharing has drawn negative publicity. P2P systems ... Kazaa, Grokster, Morpheus. Hierarchy of nodes like DNS. Bandwidth is not well distributed ...

Illegal file sharing has drawn negative publicity. P2P systems ... Kazaa, Grokster, Morpheus. Hierarchy of nodes like DNS. Bandwidth is not well distributed ...

| PowerPoint PPT presentation | free to download

Decentralizing Grids PowerPoint PPT Presentation

Decentralizing Grids - May have to live within the Grid ecosystem. Condor, Globus, Grid ... bingo! ... bingo! Routing = Discovery. Routing = Discovery. outside. client ...

May have to live within the Grid ecosystem. Condor, Globus, Grid ... bingo! ... bingo! Routing = Discovery. Routing = Discovery. outside. client ...

| PowerPoint PPT presentation | free to view

Jie Wu - COT 6930 Ad Hoc Networks (Part III) Jie Wu Department of Computer Science and Engineering Florida Atlantic University Boca Raton, FL 33431 ...

COT 6930 Ad Hoc Networks (Part III) Jie Wu Department of Computer Science and Engineering Florida Atlantic University Boca Raton, FL 33431 ...

| PowerPoint PPT presentation | free to download

Swarm Collaborative Intelligence: From Networked Control to Trust in MANET PowerPoint PPT Presentation

Swarm Collaborative Intelligence: From Networked Control to Trust in MANET - none

none

| PowerPoint PPT presentation | free to view

Studying viable free markets in Peer-to-Peer file exchange applications without Altruistic Agents PowerPoint PPT Presentation

Studying viable free markets in Peer-to-Peer file exchange applications without Altruistic Agents - ... (p2p) es un sistema ... System Model The application interacts with ... Trust and Reputation Redes Ad-hoc Redes cooperativas Problemas y soluciones Redes sociales ...

... (p2p) es un sistema ... System Model The application interacts with ... Trust and Reputation Redes Ad-hoc Redes cooperativas Problemas y soluciones Redes sociales ...

| PowerPoint PPT presentation | free to download

Cooperative Games, Statistical Physics and Trust in Ad Hoc Networks PowerPoint PPT Presentation

Cooperative Games, Statistical Physics and Trust in Ad Hoc Networks - ... choosing each neighbor as the next hop instead of the hop count to destinations ... VT is the set of nodes which are designated 'trusted' by the trust ...

... choosing each neighbor as the next hop instead of the hop count to destinations ... VT is the set of nodes which are designated 'trusted' by the trust ...

| PowerPoint PPT presentation | free to view

Incentive Technique via Probabilistic TitforTat for P2P Networks PowerPoint PPT Presentation

Incentive Technique via Probabilistic TitforTat for P2P Networks - In peer-to-peer(P2P) file-sharing networks, the tragedy of ... lead to the moderate level of the cooperation of peers in. the P2P file-sharing network. ...

In peer-to-peer(P2P) file-sharing networks, the tragedy of ... lead to the moderate level of the cooperation of peers in. the P2P file-sharing network. ...

| PowerPoint PPT presentation | free to view

S' Felix Wu - ... off Tuesday, Lobster, Anderson Plaza, Save-Mart, Taqueria Guadalajara} ... Some or all of the attributes will be exchange with certain neighbors. 11/13/09 ...

... off Tuesday, Lobster, Anderson Plaza, Save-Mart, Taqueria Guadalajara} ... Some or all of the attributes will be exchange with certain neighbors. 11/13/09 ...

| PowerPoint PPT presentation | free to view

An Introduction to Decentralized Trust Management - EPub.discount FAB.accred.student. FAB.accredited UnivTwente. UnivTwente.student Alice. Credential chain proves authorization. Scalability problem ...

EPub.discount FAB.accred.student. FAB.accredited UnivTwente. UnivTwente.student Alice. Credential chain proves authorization. Scalability problem ...

Introduction to Access Control and Trust Management - Introduction to Access Control and Trust Management Daniel Trivellato Outline Introduction to Access Control Discretionary and Mandatory Access Control Role-Based ...

Introduction to Access Control and Trust Management Daniel Trivellato Outline Introduction to Access Control Discretionary and Mandatory Access Control Role-Based ...

A Game-Theoretic Framework for Analyzing Trust-Inference Protocols - Title: Key-Insulated Public-Key Cryptosystems Author: jkatz Last modified by: jkatz Created Date: 4/24/2002 3:21:36 PM Document presentation format

Title: Key-Insulated Public-Key Cryptosystems Author: jkatz Last modified by: jkatz Created Date: 4/24/2002 3:21:36 PM Document presentation format

Part IV : Liability Chapter 16: Trust and Accountability - Traditional definition by Matt Blaze: ... ( Blaze et al., 1998) Drawbacks of ... Example (form Grandison & Sloman, 2000): PolicyMaker (Blaze et al., 1996) ...

Traditional definition by Matt Blaze: ... ( Blaze et al., 1998) Drawbacks of ... Example (form Grandison & Sloman, 2000): PolicyMaker (Blaze et al., 1996) ...

Paper Study Propagation of Trust in Ecommerce Communities, and others - beliefs of your trusted acquaintance/stranger, might from. beliefs of his/her trusted acquaintance/stranger. Importance to E-commerce ...

beliefs of your trusted acquaintance/stranger, might from. beliefs of his/her trusted acquaintance/stranger. Importance to E-commerce ...

Efficiency and Nash Equilibria in a Scrip System for P2P Networks - Almost 70% of Gnutella users share no files and nearly 50% of responses are from ... Trivially, S0 is always an equilibrium. We would like to say: ...

Almost 70% of Gnutella users share no files and nearly 50% of responses are from ... Trivially, S0 is always an equilibrium. We would like to say: ...

Eigentrust PowerPoint PPT Presentations