This book contains abstracts of all contributions presented during the first Open Source

Geospatial Research Symposium (OGRS) that was held in Nantes City, France, from

July 8^th to 10^th, 2009. As a hub for the exchange of knowledge, ideas and trends in the fields

of Geospatial information and Geoinformatics, it demonstrates the dynamism of

communities related to open source and free software for defining new concepts, standards

and tools so as to put them together to propose new methodologies. In this regard, this book

covers manifold topics, mainly in the context of substainable development, from research

projects to operationnal implementations : spatial hydrology, remote sensing, cartography,

webmapping, standards, mobility and logistics.