On Apr 17, Neil Van Dyke wrote: > For the students, the help system knows what Language and Teachpacks > are in use, possibly what modules are in use, and maybe even what > HtDP assignment is being worked on. > > There are a few additional techniques that might improve relevance > ranking and recall for this purpose: > > * TFIDF to focus on the most information-carrying terms.
TFIDF would be suitable if we had a full-text index. We don't -- the search is using only index entries, so there is no different amounts of information associated with various terms. > * Application-specific synonym dictionary that you could come up > with yourself pretty easily. > * General synonym dictionary, such as from WordNet. > * Latent Semantic Indexing. These are also all tools that would fit a full text search facility. Doing that doesn't seem to me to be practical in javascript. (We're scratching the limits of browsers as it is, and as you've experienced.) -- ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay: http://www.barzilay.org/ Maze is Life! _________________________________________________ For list-related administrative tasks: http://list.cs.brown.edu/mailman/listinfo/plt-dev