507 search results - page 10 / 102 » Portfolio theory of information retrieval |
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Modeling term dependence has been shown to have a significant positive impact on retrieval. Current models, however, use sequential term dependencies, leading to an increased que...
SIGIR
2003
ACM
14 years 24 days ago
2003
ACM
We propose a Bayesian extension to the ad-hoc Language Model. Many smoothed estimators used for the multinomial query model in ad-hoc Language Models (including Laplace and Bayes-...
ICRA
2009
IEEE
14 years 2 months ago
2009
IEEE
— The creation of a robot capable of navigating in unknown urban environments without the use of GPS data or prior map knowledge is envisioned in the Autonomous City Explorer (AC...
FBIT
2007
IEEE
14 years 1 months ago
2007
IEEE
This paper describes a decision tree model and 3dimensional representation of information retrieved from various weblogs in relation to argumentative logics. The weblogs are consi...
MTA
2010
13 years 6 months ago
2010
: Multimedia applications nowadays are becoming prevalent. In the past the relational database model was generalized to the multimedia database model. More recently the relational ...