In the PIA project, a new approach to develop applications concerning personal information is proposed. It is based on the concept of a personal cloud that will provide easy and secure access to a variety of personal information from various devices and services. A semantic-based middleware that supports development of novel applications that can relate and combine personal information is the c...

A distinct property of personal information retrieval compared to other information retrieval processes is that the piece of information sought for is already known to the user. It is a process where the user has seen and possibly processed the item on an earlier occasion and now needs it again for some reason. The time span between dealing with the item and retrieving it again may vary from a ...