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DesktopWeb FormText   SOM article setbackFri, 29 Oct 2004 18:21:56 GMT # 

from previous posts you can tell that i've been playing with SOM neural networks. was able to get the basic stuff to work really well, so spent yesterday trying to tackle something more advanced : Mapping weblog communities. basically it collects posts from a bunch of weblogs and then trains a SOM to visualize the community based on in/out links between blogs. took all yesterday, but i was able to get it to work (sort of). it does create a map of the community, but it is skewed to one corner. i think the reason it is skewed is due to the minimal amount or relationships between the blogs i'm trying to map. also because i did not collect data over a long period of time. the good news is that it does show definite signs of working. for blogs that get mapped away from that corner, then they do seem related to the other blogs mapped nearby. regardless, i'm going to shelve this idea and begin work on a different problem that SOM should be able to solve. this new problem should be a little easier, and the results should be more obvious to see as well