Database outsourcing is becoming increasingly popular introducing a new paradigm, called database-as-a-service, where a client’s database is stored at an external service provider. Outsourcing databases to external providers promises higher availability and more effective disaster protection than in-house operations. An increasing number of enterprises outsource their IT functions or business p...

Database outsourcing is becoming increasingly popular introducing a new paradigm, called database-as-a-service, where a client’s database is stored at an external service provider. Outsourcing databases to external providers promises higher availability and more effective disaster protection than in-house operations. This scenario presents new research challenges on which the usability of the s...

managers in developed countries are increasingly interested in outsourcing as a potential source of competitiveness and value creation. one of the most useful outsourcing activities in service sector is information system/technology outsourcing. this paper is trying to determine the isp managers’ perceived risks and benefits of it/is outsourcing and also the rate of awareness about potential of...

Advances in networking technologies and the continued growth of the Internet have triggered a new trend towards outsourcing data management and information technology needs to external service providers. As a recent manifestation of this trend, there has been growing interest in outsourcing database services in both the commercial world and the research community. Although the outsourced databa...

Database outsourcing is a noteworthy solution to improve quality of services while reducing data management costs. When data is stored and processed out of the territory of its owner, security becomes the first concern. Confidentiality of the outsourced data, correctness assurance of query results, and preserving users' access privacy are the primary requirements of secure data outsourcing. Nev...

Database outsourcing reduces the cost of data management, however, the confidentiality of the outsourced data is a main challenge. Existing solutions [13, 17, 9, 16] either adopt multiple encryption schemes for data confidentiality that only support limited operations, or focus on providing efficient retrieval with problematic update support. In this paper, we propose a secure database outsourc...

Database outsourcing model is emerging as an important new trend beside the “application-as-aservice” model. In this model, since a service provider is typically not fully trusted, security and privacy of outsourced data are significant issues. These problems are referred to as data confidentiality, user privacy, data privacy, and query assurance. Among them, query assurance takes a crucial rol...

Data mining-as-a-service has been selected as considerable research issue by researchers. An organization (data owner) can outsource its mining needs like resources or expertise to a third party service provider (server). However, both the association rules and the items of the outsourced transaction database are private property of data owner. The data owner encrypts its data, send data and mi...

In an outsourced database scheme, the data owner delegates the data management tasks to a remote service provider. At a later time, the remote service is supposed to answer any query on the database. The essential requirements are ensuring the data integrity and authenticity with efficient mechanisms. Current approaches employ authenticated data structures to store security information, generat...