| Support for RDF is basic rather than strict, so nearly all the URIs and URLs can be made up on the spot, as though they were variables or constants. |
| The program then generates highly detailed RDF metadata without the author having seen a single angle bracket. |
| Class 3 should only be used for highly sophisticated RDF incineration plants as found in North America and occasionally in Western Europe. |
| Tools exist for creating and editing RDF, storing the semantic data, inferencing knowledge from the metadata, and visualizing the metadata. |
| From a waste source considered of negative value, the highest quality RDF can now produce value by being sold. |
| Semantic Web proponents are looking to XML and RDF to meet these new challenges. |
