The advent of social computing on the Web has led to a new generation of Web applications
that are powerful and world-changing. However, we argue that we are just at the beginning …

The Semantic Web drives toward the use of the Web for interacting with logically
interconnected data. Through knowledge models such as Resource Description Framework …

Pervasive computing is by its nature open and extensible, and must integrate the information
from a diverse range of sources. This leads to a problem of information exchange, so sub …

Privacy policies are intended to inform users about the collection and use of their data by
websites, mobile apps and other services or appliances they interact with. This also includes …

In recent years we have seen significant advances in the technology used to both publish
and consume structured data using the existing web infrastructure, commonly referred to as …

Attribute-based access control (ABAC) uses the attributes of the involved entities (ie, subject,
object, action, and environment) to provide access control. Despite various advantages …

Abstract We show how Semantic Web technologies can be used to build an access control
system. We follow the role-based access control approach (RBAC) and extend it with …

XACML does not natively support RBAC and even the pecialized XACML profiles are not
able to support many relevant constraints such as static and dynamic separation of duty …

While photo sharing sites such as Flickr provide efficient tools for setting up an online album,
users who want to maintain a certain level of privacy are usually only provided with …

The current Web service technology brought a new potential to the Web of services.
However, the success of Web services still depends on resolving three fundamental …