* Look at filters: what different types of filters are there? how do we classify them?
* classify in "vandalism"|"good_faith"|"biased_edits"|"misc" for now
* syntactic vs semantic vs ? (ALL CAPS is syntactic)
* are there ontologies?
* how is spam classified for example?
* check filter rules for edits in user/talks name spaces (may be indication of filtering harassment)
* add "af_deleted" column to filter list
* add also "af_enabled" column to filter list; could be that the high hit count was made by false positives, which will have led to disabling the filter (TODO: that's a very interesting question actually; how do we know the high number of hits were actually leggit problems the filter wanted to catch and no false positives?)
