On Feb 25, 2007, at 4:43 PM, Bob W wrote: >> Simple sets do make sense to me ... say "<location>,<primary >> subject>,<secondary subject>" as one keyword set. E.g.: I have lots >> of pictures of trees, taken all over the world, so I typically >> keyword for 'tree', where in the world they are, and whether >> there is >> any other subject in the scene that I might want the photo for. >> > > this is the sort of area where hierarchies are quite useful. 'Tree' > would be at the top of the hierarchy (or the root, if you think of a > hierarchy as a tree!). You can then set up 'trees' as a synonym, and > 'plane', 'willow', 'eucalyptus' and so on as 'children' (perhaps with > their Latin names as synonyms). If you know you've photographed a > plane tree then by definition it is a tree and will show up in > searches for 'tree' - you don't have to type 'plane', 'platana' or > 'tree' into the keywords for each of the thousand pictures you've > taken of plane trees. If you don't know what kind of tree you've > photographed you can just keyword it as 'tree'. > > Of course, where it all goes horribly wrong is that a plane is also a > woodworking tool, a flat level surface and a means of transport, none > of which is a subset of tree.
Yes, there are many possibilities. Exactly how to organize hierarchies will take some thought. Simple keywords, and simple sets of keywords, are my more immediate need. G -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
