Javier Chamizo

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The Internet has disrupted traditional tourism in which a promising landscape of intelligent service provision has erupted by applying a new lattice of cutting-edge technologies. Thus, the different actors of the tourist services are in a new environment and they should operate in a coordinated manner to increase the value of tourism, to keep current(More)
Security and privacy assurance is indispensable for ubiquitous access to information and resources. This paper focuses on the security and privacy provisions in a restricted organizational environment through access control mechanism. It includes the representation of the semantics of an organization and its access control mechanism exploiting the Web(More)
There is an increasing need of defining standards at the beginning of any engineering project. The correct specification of standards has become essential in software development in order to handle correctly the development of projects. Nowadays the need to define standards at the outset of any engineering project is more evident than ever. The(More)
Business process management (BPM) is the management of IT-supported business operations from a business expert's process view rather than from a technical perspective. The application of SW technologies to BPM has gained interest in both the academic and corporate sector. The most significant issue facing BPM is the integration of business processes in a(More)
Presently, not only a large amount of information resources are available on the Web, but also a complete lattice of dynamic applications, namely, software components and Web Services. Hence, an increasing demand of a proper model and architecture for composition of software components has triggered a huge amount of integration efforts. However, most of(More)
The Grid is becoming a significantly important vehicle for business transactions by means of service-oriented architecture (SOA). In that direction, the Open Grid Services Architecture (OGSA) is a prominent initiative that aims at providing a standardised set of capabilities and behaviours that address key concerns in Grid systems. However, the challenge(More)
A number of popular access control languages for Web resources are emerging as a consequence of the need for information security and privacy in the current Web. This paper focuses on the access control and privacy issues requirements to present a declarative logical framework where privileges are granted to users based on inference.
The Internet has disrupted traditional tourism in which a promising landscape of intelligent service provision has erupted by applying a new lattice of cutting-edge technologies. Thus, the different actors of the tourist services are in a new environment and they should operate in a coordinated manner to increase the value of tourism, to keep current(More)