326 search results - page 65 / 66 » Optimal crawling strategies for web search engines |
ALENEX
2009
13 years 3 months ago
2009
We consider the problem of finding a ranking of a set of elements that is "closest to" a given set of input rankings of the elements; more precisely, we want to find a p...
WWW
2010
ACM
14 years 15 days ago
2010
ACM
Leveraging clickthrough data has become a popular approach for evaluating and optimizing information retrieval systems. Although data is plentiful, one must take care when interpr...
IUI
2004
ACM
13 years 11 months ago
2004
ACM
The WALK mode is one of the most common navigation interfaces for 3D virtual environments. However, due to the limited view angle and low frame rate, users are often blocked by ob...
VLDB
2008
ACM
14 years 6 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
LOPSTR
2005
Springer
13 years 11 months ago
2005
Springer
We propose an extension of functional logic languages that allows the definition of operations with patterns containing other defined operation symbols. Such “function patterns...