search for: brass_postlist

Displaying 2 results from an estimated 2 matches for "brass_postlist".

2013 Mar 08
2
Gsoc-2013
...t;posting list encoding improvements". I am a newbie to Xapian but would like to get involved and get a head start. I am currently trying to understand the current encoding for the posting lists and trying to understand the drawbacks of the current format.I was not able to make out much of the brass_postlist.cc Any suggestions/links to get a better understanding of the project would be helpful. Regards, Chinmay -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.xapian.org/pipermail/xapian-devel/attachments/20130308/1548a240/attachment.html>
2012 Mar 31
1
Project: Posting list encoding improvements
Hi Xapianers: My name is Weixian Zhou, Computer Science student of University at Buffalo, State University of New York. I am interested in the project of posting list encoding improvements and weighting schemes. I have some questions toward them. 1) After read the comments in brass_postlist.cc, I am still not very clear about the detailed structure of postings list. If you can provide some simple examples/graphs will be very straightforward. 2) My instant idea to make list smaller: use gamma codes to encode the gap between docids instead of docids. Last question towards the project o...