2001 search results - page 373 / 401 » An Update on Generalized Information Theory |
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
Conditional functional dependencies (CFDs) have recently been proposed as extensions of classical functional dependencies that apply to a certain subset of the relation, as specif...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
A primary challenge to large-scale data integration is creating semantic equivalences between elements from different data sources that correspond to the same real-world entity or...
PODS
2008
ACM
14 years 7 months ago
2008
ACM
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
MOBIHOC
2008
ACM
14 years 7 months ago
2008
ACM
Mobile opportunistic networks are characterized by unpredictable mobility, heterogeneity of contact rates and lack of global information. Successful delivery of messages at low co...
MOBIHOC
2004
ACM
14 years 7 months ago
2004
ACM
Clock synchronization is a crucial basic service in typical sensor networks, since the observations of distributed sensors more often than not need to be ordered ("a happened...