Very good question! Could you please point me to the support of the library where I can find a mapper form strings to longs for item and unser IDs? Thank you!
Matthias 2010/7/9 Sean Owen <[email protected]>: > I believe you are referring to recommenders specifically. It used to > allow string IDs but it's a lot of overhead. Most applications already > use integer identifiers for these entities -- and those that don't can > use the support in the library for building a mapping from strings to > ints. > > Vectors naturally have integer dimensions of course, but can in some > cases label the dimensions with strings. > > The answer depends on what you are referring to but think it's going > to be integers for the most part, since the caller can map anything to > integers without much trouble. > > On Fri, Jul 9, 2010 at 11:04 AM, Kris Jack <[email protected]> wrote: >> Hi everyone, >> >> In mahout, I get the impression that most of the data structures require >> item/element ids to be longs or ints. As Mahout is designed to scale up to >> huge data sets, would it be useful to also allow strings as ids, such as >> universally unique identifiers? Any comments? >> >> Regards, >> Kris >> > -- --
