w3.org news:

[w3user]

2009-03-04: W3C is pleased to announce the creation of the Semantic Sensor Network Incubator Group, sponsored by W3C Members CSIRO, Wright State University, and OGC. The group's mission is to begin the formal process of producing ontologies that define the capabilities of sensors and sensor networks, and to develop semantic annotations of a key language used by services based sensor networks. Read more about the Incubator Activity, an initiative to foster development of emerging Web-related technologies. Incubator Activity work is not on the W3C standards track. (Permalink)

More... (http://www.w3.org/News/2009#item28)