spatial data
Urban Sensing
An interesting FP7 funded project UrbanSensing (http://urban-sensing.eu/):
"The UrbanSensing project will bring a new product to the urban design, city planning and urban management market: a platform extracting patterns of use and citizens’ perceptions related or concerning city spaces, through robust analysis of User Generated Content (UGC) shared by the city users and inhabitants over social networks and digital media." In particular, it hosts a neat collection of data sets from various other projects:
Geodatabase Management is to Database Management as Military Music is to Music
From an blog that is worth reading anyway [1], this little bit about database middleware in GIS: