1088 search results - page 98 / 218 » Probabilistic query expansion using query logs |
SIGIR
2003
ACM
14 years 2 months ago
2003
ACM
Information retrieval system evaluation is complicated by the need for manually assessed relevance judgments. Large manually-built directories on the web open the door to new eval...
CCCG
2006
13 years 10 months ago
2006
A k-nearest neighbor search algorithm for the Pyramid technique is presented. The Pyramid technique divides d-dimensional data space into 2d pyramids. Given a query point q, we in...
COMPGEOM
2009
ACM
14 years 3 months ago
2009
ACM
We consider a number of range reporting problems in two and three dimensions and prove lower bounds on the amount of space used by any cache-oblivious data structure for these pro...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
We describe results from Web search log studies aimed at elucidating user behaviors associated with queries and destination URLs that appear with different frequencies. We note th...
SIGIR
2011
ACM
12 years 12 months ago
2011
ACM
As the Internet grows explosively, search engines play a more and more important role for users in effectively accessing online information. Recently, it has been recognized that ...