Context-awareness is a requirement of many modern applications. While several
solutions exist to gather, represent and process context, very few provide
management of context-aware data. In this book, a two-dimensional version
model is presented, that allows managing context-dependent variants, while,
at the same time, keeping track of the revision history. Queries are processed
based on a matching algorithm that uses the current context of the system to
select the best object. As an application of this extended database, a content
management system has been designed and implemented. This...

ICOODB 2009 was the second in a series of international conferences aimed at promoting the exchange of information and ideas between members of the objectdatabasecommunity. A keyfeatureof the conferencewasits goalto bring together developers, users and researchers. The conference had three di?erent trackso?eredasatutorialday, anindustrydayandaresearchday. Inaddition, a demo sessionwithcontributionsfromallthree communities enabledparticipants to see the latest and on-going developments in object database technologies, supporting tools and also applications. The conference proceedings presented...