Hi Xapianers:<div>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. </div>
<div><div>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.</div><div>2) My instant idea to make list smaller: use gamma codes to encode the gap between docids instead of docids.</div>
<div><br></div><div>Last question towards the project of weighting schemes: Do we need only to implement existing weighting scheme instead of coming up with new ideas? And our mission is to find a weighting scheme that could replace the default BM25 in Xapian?</div>
<div><br></div><div><br></div>-- <br>Weixian Zhou<br>Department of Computer Science and Engineering<br>University at Buffalo, SUNY<br><br>
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