I can understand these quotes. what's the conclusion from your communication?
On Fri, Jul 6, 2012 at 4:20 PM, Dawid Weiss <[email protected]> wrote: > I've repeated Sebastiano's experiments (and so did he). A few quotes > from the communication. > >> The index appears to be larger now--43.1GB. Probably they have better >> skipping structures that take more space. >> >> From what I can see the format is the same as before--the .frq file contains >> document pointers and positions. So my SearchFiles class still reads >> documents *and* counts. >> >> But the most interesting part I've read in a blog is that now Lucene has a >> pluggable index format. This means that someone can actually write a QS >> index for Lucene and test what happens in production. That's a most >> interesting change! > > and: > >> Well, they made a great job: >> >> trec-40-text unscored terms result: 5511 494901 >> trec-40-text unscored and result: 2193 769110 >> trec-40-text unscored phrase result: 6615 148663 >> trec-40-text unscored spans result: 12407 545090 >> >> So conjunction is still better, but by a really smaller margin. The worst >> part is term scanning--they are now significantly faster than QS indices. > > Dawid > > > > On Sun, Jun 24, 2012 at 9:31 AM, Dawid Weiss > <[email protected]> wrote: >> Fyi. I contacted Sebastiano and will get hold of the data set and >> benchmarks he used to repeat his experiment with current trunk >> (curiosity). Any hints on which configuration should be used will be >> welcome. >> >> Dawid >> >> On Sat, Jun 23, 2012 at 12:38 PM, Li Li <[email protected]> wrote: >>> http://mg4j.di.unimi.it/ >>> http://vigna.di.unimi.it/papers.php#VigQSI >>> >>> sounds very interesting and attractive. >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: [email protected] >>> For additional commands, e-mail: [email protected] >>> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
