1824 search results - page 13 / 365 » Estimating query performance using class predictions |
SIGIR
2003
ACM
15 years 2 months 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-...
SIGIR
2010
ACM
15 years 1 months ago
2010
ACM
Numerous studies have examined the ability of query performance prediction methods to estimate a query’s quality for system effectiveness measures (such as average precision). ...
HICSS
2003
IEEE
15 years 2 months ago
2003
IEEE
In this paper we propose a new two-level methodology for assessing countries’/companies’ economic/financial performance. The methodology is based on two major techniques of gr...
CORR
2007
Springer
14 years 9 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
BMCBI
2008
14 years 9 months ago
2008
Background: Establishment of peptide binding to Major Histocompatibility Complex class I (MHCI) is a crucial step in the development of subunit vaccines and prediction of such bin...