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Does they correctly use word "Semantic". It may be OK for algorithm title(Latent Semantic Analysis), but results not so "Semantic", it is usual topic detection
by hotdox 15y ago
Does they correctly use word "Semantic". It may be OK for algorithm title(Latent Semantic Analysis), but results not so "Semantic", it is usual topic detection based on vector-space model.
Usually "Semantic analysis" corresponds to next to syntactic level of analysis, some kind of understanding. We have no such analysis here.
Also imho(not only my), word "Semantic" is marker for oil snake trader.
Is there some quality measures? This algorithm gives 20% of other topic for random article in average.
- Radim 15y agoYou're right, this is "semantics" of the statistical type. There is no "understanding" involved. Just unsupervised number crunching.
- hotdox 15y agoSorry, but there is no "semantics" of statistical type. You have semantics, or have not.
- Radim 15y agoFair enough, I see you take the linguist's approach :-) You might try googling for "statistical semantics" though ( http://en.wikipedia.org/wiki/Statistical_semantics http://en.wikipedia.org/wiki/Statistical_semantics ). More relevant to HN, there are entire businesses successfully using this (admittedly primitive) notion of "statistical semantics": Chomp.com, SketchEngine.co.uk, SumoBrain.com , PearsonKT.com etc.