Data may be around already…

• Part of the (meta)data information is present in tools … but thrown away at output

• • e.g., a business chart can be generated by a tool: it “knows” the structure, the classification, etc. of the chart, but, usually, this information is lost
  • storing it in web data would be easy!

• “SW-aware” tools are around (even if you do not know it…), though more would be good:

• • Photoshop CS stores metadata in RDF in, say, jpg files (using XMP)
  • …