thanks lan, but this means that i must reindex these pages while the pagerank score changed?
在08-5-28，Ian Lea <[EMAIL PROTECTED]> 写道： > > Hi > > > Maybe you could use the pagerank score, possibly modified, as document > boost at indexing time. From the javadocs for > Document.setBoost(boost) > > "Sets a boost factor for hits on any field of this document. This > value will be multiplied into the score of all hits on this document" > > so will give you P * R rather than P + R. Should be quick, though. > > > -- > Ian. > > > On Wed, May 28, 2008 at 11:02 AM, 过佳 <[EMAIL PROTECTED]> wrote: > > hi all , > > I have a problem that how to "combine" two score to sort the search > > result documents. > > for example I have 10 million pages in lucene index , and i know > their > > pagerank scores. i give a query to it , every docs returned have a > > lucene-score, mark it as R (relevant score), and i also have its > > pagerank score, mark it as P, what i need is i want to sort the search > > result base on the value "P+R". You know if i store the pagerank score > in > > index and get it every search time , then compute P+R , then sort it , > this > > way is too slow. in my system , when the search hits 500000 result , the > > sort may cost about 20s. > > Sorry for my poor english. Anyone has a good idea? > > > > Best > > Jarvis > > >
