3430 search results - page 684 / 686 » Language model for IR using collection information |
IDMS
1997
Springer
13 years 11 months ago
1997
Springer
With the evolving availability of wireless communication servicesand of affordable mobile devices such as notebooks or Personal Digital Assistants, mobile computing is becoming wid...
PODS
2009
ACM
14 years 8 months ago
2009
ACM
Querying uncertain data has emerged as an important problem in data management due to the imprecise nature of many measurement data. In this paper we study answering range queries...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
To deal with data uncertainty, existing probabilistic database systems augment tuples with attribute-level or tuple-level probability values, which are loaded into the database al...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
The United States Environmental Protection Agency (EPA) prepares a national criteria and hazardous air pollutant (HAP) emission inventory with input from numerous states, local an...
CIKM
2009
Springer
14 years 1 months ago
2009
Springer
RDF is a data model for representing labeled directed graphs, and it is used as an important building block of semantic web. Due to its flexibility and applicability, RDF has bee...