Logic programming based trust management

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Logic programming based trust management

LOGIC PROGRAMMING BASED TRUST MANAGEMENTbyTian Ngoc Thai KhaA thesis submitted in partial fulfillment of the requnements foi the degree of Master of E

Logic programming based trust management EngineeringExamination committee:Nationality:Previous degree:Prof. Phan Minh Dung (Chairman)Dr Sumanta GuhaDr Ho Dinh DuanVietnameseBachelor of Engine

ering in Computer Science Ho Chi Minh City University of Technology Ho Chi Mini) City. VietnamAsian Institute of Technology School of Advanced Technol Logic programming based trust management

ogies Thailand December 2003ACKNOWLEDGEMENTFirst. I would like to thank my advisor Prof. Phan Minh Dung He was always ready to give me guidance and su

Logic programming based trust management

pport when I encountered problems din ing my thesis.Iwould also like to express my gratitude to Dr. Sumanta Guha. Dr Ho Dinh Duan for their kind servi

LOGIC PROGRAMMING BASED TRUST MANAGEMENTbyTian Ngoc Thai KhaA thesis submitted in partial fulfillment of the requnements foi the degree of Master of E

Logic programming based trust management AIT.Finally. I have to thank Department of Industrial Systems Engineering ■ Ho Chi Minh City University of Technology. Prof. Huynh Ngoc Phien. Dr. Ho

Thanh Phong. Dr. Ho Dmli Duan and my family for then fully spirit and financial support.iiABSTRACTTrust management (TNI) problem is a promising approa Logic programming based trust management

ch for authorization and access control in distributed systems according to given security policies. Aspects of TM include formulating application-ind

Logic programming based trust management

ependent security polices and security credential, determining whether particular set of credentials satisfies the relevant policy, and deferring trus

LOGIC PROGRAMMING BASED TRUST MANAGEMENTbyTian Ngoc Thai KhaA thesis submitted in partial fulfillment of the requnements foi the degree of Master of E

Logic programming based trust management erzberg el al.. 2000) by transforming I PL I language and engine to logic programming context. It is concluded that its solution for negation is very

simple and so weak. Allcrthal. we design and implement a Trust Management system based on logic programming. The policy language of this system is nor Logic programming based trust management

mal restricted logic language and the policy engine is extended from Fitting semantic and Stable model semantic. This algorithm is proved Io be sound

Logic programming based trust management

for Preferred extension semantic.iiiTable of ContentsChapter TitlePageTitle Page..........................................................iAcknowledge

LOGIC PROGRAMMING BASED TRUST MANAGEMENTbyTian Ngoc Thai KhaA thesis submitted in partial fulfillment of the requnements foi the degree of Master of E

Logic programming based trust management ............................................ivList of Figures.....................................................V1Introduction......................

..................................12Literature Review...................................................32.1Entity (principle)........................ Logic programming based trust management

.....................32.2Certificate (credential).......................................42.3Monotonic Trust Policy Language (TPL).....................

Logic programming based trust management

.....4

LOGIC PROGRAMMING BASED TRUST MANAGEMENTbyTian Ngoc Thai KhaA thesis submitted in partial fulfillment of the requnements foi the degree of Master of E