Role Management In Privacy-enhanced collaborative environment

Role Management in a Privacy-Enhanced Collaborative Environment,[object Object],Anja Lorenz,[object Object],Chair of Business Information Systems,[object Object],University of Technology Chemnitz, Germany,[object Object],KatrinBorcea-Pfitzmann,[object Object],Chair of Privacy and Data Security,[object Object],University of Technology Dresden,,[object Object],Germany,[object Object]

Agenda,[object Object],Role Management in a,[object Object],Privacy-Enhanced,[object Object],Collaborative Environment,[object Object],18.03.2010,[object Object],2 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Collaborative environments,[object Object],Relationshipmanagement,[object Object],Content sharing,[object Object],Collaborativeworking,[object Object],Collaborative Environment,[object Object],Privacy-Enhanced,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],3 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Motivation forprivacy-enhancement,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object],4 | 33,[object Object],18.03.2010,[object Object],Collaborative Environment,[object Object],Manyspreaded personal data on web profilesfor different reasons…,[object Object],Privacy-Enhanced,[object Object],Rolemanagement,[object Object]

Web profilesof Katrin ,[object Object],Collaborative Environment,[object Object],[object Object]

for private networkingPrivacy-Enhanced,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],5 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Web profilesof Anja,[object Object],Collaborative Environment,[object Object],[object Object]

for professional networking (@anjalorenz),[object Object],[object Object],Privacy-Enhanced,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],6 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Collaborative Environment,[object Object],Privacy-Enhanced,[object Object],Motivation forprivacy-enhancement,[object Object],Things thatmay happen…,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],7 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Collaborative Environment,[object Object],Privacy-Enhanced,[object Object],Rolemanagement,[object Object],Via http://thenextweb.com/2009/08/09/note-friend-boss-fb-bitch-job/,[object Object],Motivation forprivacy-enhancement,[object Object],18.03.2010,[object Object],8 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Collaborative Environment,[object Object],Privacy-Enhanced,[object Object],Rolemanagement,[object Object],http://pleaserobme.com/,[object Object],Motivation forprivacy-enhancement,[object Object],18.03.2010,[object Object],9 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Collaborative Environment,[object Object],Privacy-Enhanced,[object Object],Becarefulwithspreading personal data in the web!,[object Object],Rolemanagement,[object Object],Motivation forprivacy-enhancement,[object Object],18.03.2010,[object Object],10 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Privacy-Enhancement,[object Object],Protection in collaborativeenvironments,[object Object],The surrounding of each person is uniformly untrusted!,[object Object],(Chaum 1995),[object Object],Privacy-Enhanced Collaborative Environment,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],11 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

State-of-the-art,[object Object],Technical approaches for privacy-enhancement,[object Object],Pseudonymisation,[object Object],Encryption,[object Object],Anonymisation,[object Object],Privacy-Enhanced Collaborative Environment,[object Object],Well-provedforsender-recipientrelationships (e-Shops etc.),[object Object],But do not supportrequirementsforprivacyrespectingcollaborativeworking,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],12 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Collaborative environments,[object Object],Conditionsforprivacyprotection,[object Object],No predefined protocols,[object Object],Ad-hoc decisions,[object Object],Spontaneous activities,[object Object],And interaction is a strongly wanted feature,[object Object],Privacy-Enhanced Collaborative Environment,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],13 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Ourapproach:,[object Object],Privacy enhancedidentitymanagement,[object Object],Focus:,[object Object],User Control,[object Object]

Privacy enhanced ID-management,[object Object],Main concept: Partial identities,[object Object],Privacy-Enhanced Collaborative Environment,[object Object],Not:showingwholeprofilesofoneperson,[object Object],But:disclosingselectedattributesofoneperson partial identity,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],15 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Privacy enhanced ID-management,[object Object],Main concept: Partial identities,[object Object],A partial identity (pID)… „represents the person in a specific context or role.“,[object Object],a subset of attributes,[object Object],union of all pIDs = complete identity,[object Object],credentials for proof-demanding attributes,[object Object],(Pfitzmann & Hansen 2008, Chaum 1985),[object Object],Privacy-Enhanced Collaborative Environment,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],16 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

The Userdecideswhich personal dataisdisclosedandtowhom in whatcontext!,[object Object]

Research Background,[object Object],BluES, PRIME, BluES’n, Prime Life,[object Object],Privacy-Enhanced Collaborative Environment,[object Object],Rolemanagement,[object Object],https://www.prime-project.eu,[object Object],http://www.primelife.eu/,[object Object],18.03.2010,[object Object],18 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Research Background,[object Object],BluES’n,[object Object],A privacy-enhancedcollaborativeenvironmentforlearning,[object Object],Privacy-Enhanced Collaborative Environment,[object Object],Identity managment  partial identities for user representation in certain contexts,[object Object],Authentication & authorisation based on anonymous credentials and policies (cf. David Chaum 1985),[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],19 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Research Background,[object Object],BluES’n,[object Object],A privacy-enhancedcollaborativeenvironmentforlearning,[object Object],Privacy-Enhanced Collaborative Environment,[object Object],Socialinteraction vs. privacyrequirements,[object Object],Intra-applicationpartitioning(Borcea et al. 2005),[object Object],Awarenessinformation(cf. e.g. Franz et al. 2006),[object Object],Reputation (Steinbrecher 2006),[object Object],Roles,[object Object],Rolemanagement,[object Object],18.03.2010,[object Object],20 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],Understanding ofRoles,[object Object],Different interpretations,[object Object],Position (Linton 1936, Luhmann 1984),[object Object],Behaviour(Gerhardt 1971),[object Object],Relations (Mead 1967, Goffman 1974, Carell+ 2002),[object Object],Groups (Znaniecki 1965),[object Object],18.03.2010,[object Object],21 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Understanding ofRoles,[object Object],Different usage,[object Object],Overall aim: reducing management complexity,[object Object],[object Object]

Generate and support certain work settings

Ease access controlRolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],18.03.2010,[object Object],22 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],RoleConceptforBluES‘n,[object Object],Ourinterpretation,[object Object],Roles = stereotypes of users,[object Object],Equal rights and duties,[object Object],Expectations of behavior,[object Object],Help interaction partners to range in a user’s position within a group,[object Object],(Lorenz 2009, Borcea-Pfitzmann 2008),[object Object],18.03.2010,[object Object],23 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

RoleConceptforBluES‘n,[object Object],Ourusage: 3 roledimensions,[object Object],Administrative Roles,[object Object],Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],Owner,[object Object],Participant,[object Object],Guest,[object Object],18.03.2010,[object Object],24 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],RoleConceptforBluES‘n,[object Object],Ourusage: 3 roledimensions,[object Object],Administrative Roles,[object Object],FunctionalRoles,[object Object],Teacher,[object Object],Learner,[object Object],18.03.2010,[object Object],25 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],RoleConceptforBluES‘n,[object Object],Ourusage: 3 roledimensions,[object Object],Administrative Roles,[object Object],FunctionalRoles,[object Object],Group dynamicRoles,[object Object],Creative,[object Object],Problem Solver,[object Object],Motivator,[object Object],18.03.2010,[object Object],26 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],Role Management for PECEs,[object Object],Benefitsregardingprivacyissues,[object Object],Not:discloseattributesofthepID,[object Object],But:discloseattributesoftherole,[object Object],18.03.2010,[object Object],27 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],Role Management for PECEs,[object Object],Benefitsregardingprivacyissues,[object Object],Not:centrallymanagedlistofroleholders,[object Object],But:decentralisationbyanonymouscredentialsforroles,[object Object],18.03.2010,[object Object],28 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Role Management for PECEs,[object Object],Benefitsregardingprivacyissues,[object Object],Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],Not:oneroleforeachpID,[object Object],But: n:m relationshipofrolesandpIDs,[object Object],18.03.2010,[object Object],29 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Role Management for PECEs,[object Object],Remainingcoreproblem,[object Object],Rolesareinformationaboutusers,[object Object],Scenario: Onlyfewuserscan hold teacherrole,[object Object],Question:WhatistherightcontexttoswitchtoanotherpID?,[object Object],Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],Teacher 1,[object Object],Teacher 2,[object Object],18.03.2010,[object Object],30 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Rolemanagement in a Privacy-Enhanced Collaborative Environment,[object Object],Role Management for PECEs,[object Object],Approaches forautomaticchoiceofpID,[object Object],In BluES: Decisionsuggestionmodule(DSM),[object Object],helpstoselecttheappropriatepIDaccordingtopreferencesforthecorrespondingcontext,[object Object],Question:Whatare relevant contextsforswitchingpIDs?,[object Object],Transactions?,[object Object],Roles?,[object Object],Interaction Partners?,[object Object],Nodefaultway,[object Object], Onlyadvicesbyuser‘spreferences,[object Object],18.03.2010,[object Object],31 | 33,[object Object],Anja Lorenz: "Roles in PECEs" at IADIS e-Society 2010, Porto,[object Object]

Role Management In Privacy-enhanced collaborative environment

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