Previous efforts in end-user development have focused on facilitating the mechanics of
learning programming, leaving aside social and cultural factors equally important in getting …

In multi-synchronous collaboration users replicate shared data, modify it and redistribute
modified versions of this data without the need of a central authority. However, in this model …

Restrictions and permissions in information systems--Authorization--can cause problems for
those interacting with the systems. Often, the problems materialize as an interference with …

Nowadays, information technologies provide users ability to work with anyone, at any time,
from everywhere and with several heterogeneous devices. This evolution fosters a new …

The article presents and analyzes data from a case study in customer-initiated software
product development. We have observed and participated in system development activities …

Managing access to shared digital information, such as photographs and documents. is
difficult for end users who are accumulating an increasingly large and diverse collection of …

Managing access to shared digital information, such as photographs and documents, is
difficult for end users who are accumulating an increasingly large and diverse collection of …

This paper explores the effectiveness of usage control deterrents. Usage control enables
finer-grained control over the usage of objects than do traditional access control models …