507 search results - page 2 / 102 » Portfolio theory of information retrieval |
ECIR
2010
Springer
13 years 7 months ago
2010
Springer
A known limitation of the Probability Ranking Principle (PRP) is that it does not cater for dependence between documents. Recently, the Quantum Probability Ranking Principle (QPRP)...
JITECH
2008
13 years 5 months ago
2008
: The use of information technology (IT) in organizations has undergone dramatic changes the past 30 years. As a result, it has become increasingly common to adopt a services rathe...
CSCW
2006
ACM
13 years 11 months ago
2006
ACM
This paper presents a grounded theory of information sharing behavior of the users of a personal learning space. A personal learning space is an environment consisted of weblog, e...
AMC
2005
13 years 5 months ago
2005
In most public companies in China, there are two thirds of shares that cannot be traded freely in the secondary market. These illiquid shares, however, may be allowed to circulate...
EUSFLAT
2007
13 years 7 months ago
2007
The theory of copulas provides a useful tool for modeling dependence in risk management. In insurance and finance, as well as in other applications, dependence of extreme events ...