by LDA, I mean "Latent Dirichlet Allocation (LDA)" by David Blei.
On 12/20/05, Chandana <[EMAIL PROTECTED]> wrote: > > Hi all, > > This might be a little off topic to lucene. But i guess it is still in the > interest of IR. > I wanted a rough idea on what applications/fields LDA has been used and > observations. > If any body did a simlar study (other than that given in the paper by Blei > et al . ), that will be of great help to me. > > thanks > chandana > > On 12/14/05, Dave Kor <[EMAIL PROTECTED]> wrote: > > > > On 12/13/05, Dave Kor <[EMAIL PROTECTED]> wrote: > > > On 12/13/05, Ian Soboroff <[EMAIL PROTECTED]> wrote: > > > > Paul Libbrecht < [EMAIL PROTECTED]> writes: > > > > > > > > > We're also thinking about implementing something similar to LSI > > within > > > > > ActiveMath which is lucene-powered where both formulae and text > > > > > searching would benefit of the latent-semantic-similarity. I've > > been > > > > > refrained of doing "exactly this" at least since LSI is patented. > > This > > > > > might also be a reason why there's no implementation in Lucene's > > > > > sandbox. > > > > > > > > > > Have you looked at other vector-based approaches which are not > > exactly LSI ? > > > > > Have you looked at InfoMap NLP ? > > > > > > > > Look for Thomas Hofmann's "probabilistic LSI", and other recent work > > > > > > which cites it. > > > > > > You might also be interested in "Latent Dirichlet Allocation (LDA)" by > > > David Blei. In short, it is a more advanced version of "probabilistic > > > LSI". I am currently writing some code to dump Lucene documents into a > > > > > file format used by Blei's LDA implementation written in C. > > > > Following up on my previous mail about LDA, here are a few links > > > > David Blei, Andrew Ng and Michael Jordan's paper on LDA > > http://www.cs.berkeley.edu/~blei/papers/blei03a.pdf<http://www.cs.berkeley.edu/%7Eblei/papers/blei03a.pdf> > > > > David Blei's C implementation of LDA > > http://www.cs.berkeley.edu/~blei/lda-c/<http://www.cs.berkeley.edu/%7Eblei/lda-c/> > > > > Gregor Heinrich's port of LDA-c to Java http://www.arbylon.net/projects/ > > Note: To use his code in non-windows platform, you will need to > > replace his fast Mersenne Twister based random number generator with > > Java's standard random number generator. > > > > > > > > Regards, > > Dave. > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > >
