4838 search results - page 14 / 968 » Sampling of information goods |
SIGIR
2009
ACM
14 years 3 months ago
2009
ACM
Query abandonment by search engine users is generally considered to be a negative signal. In this paper, we explore the concept of good abandonment. We define a good abandonment ...
SP
2010
IEEE
14 years 10 days ago
2010
IEEE
—Captchas are designed to be easy for humans but hard for machines. However, most recent research has focused only on making them hard for machines. In this paper, we present wha...
SIGGRAPH
1998
ACM
14 years 21 days ago
1998
ACM
We describe our experience with a new algorithm for the reconstruction of surfaces from unorganized sample points in IR 3. The algorithm is the first for this problem with provab...
SIGIR
2008
ACM
13 years 8 months ago
2008
ACM
Pseudo-relevance feedback assumes that most frequent terms in the pseudo-feedback documents are useful for the retrieval. In this study, we re-examine this assumption and show tha...
IPM
2008
13 years 8 months ago
2008
This paper examines the estimation of global term weights (such as IDF) in information retrieval scenarios where a global view on the collection is not available. In particular, t...