1008 search results - page 51 / 202 » Logic and Databases |
CICLING
2001
Springer
14 years 7 days ago
2001
Springer
In logic, the spatio-temporal location of a proposition is characterized precisely within a Cartesian system of space and time coordinates. This is suitable for characterizing the ...
DEXAW
1999
IEEE
14 years 1 days ago
1999
IEEE
Recent efforts in the Conceptual Modelling community have been devoted to properly capturing time-varying information, and several proposals of temporally enhanced Entity-Relation...
TMC
2012
11 years 10 months ago
2012
The FCC ruling on Nov 4th, 2008 on white spaces has opened up the possibility of wireless network deployments over white spaces, i.e., vacant UHF TV channels. A key requirement fo...
BTW
2009
Springer
14 years 2 months ago
2009
Springer
: Database schemas are used to describe the logical design of a database. Diverse groups of users have different perspectives on the schema which leads to different local schemas. ...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...