1938 search results - page 86 / 388 » On Positive Relational Calculi |
IJOE
2008
13 years 9 months ago
2008
: What causes seasons? Why day and night durations are so different with seasons alternation? Why the position of the full moon seems directed to the south in summer while it seems...
ORL
2006
13 years 8 months ago
2006
We consider the problem of packing two-dimensional rectangles into the minimum number of unit squares, when 90 rotations are allowed. Our main contribution is a polynomial-time al...
COMBINATORICS
2004
13 years 8 months ago
2004
We develop an analog of the exponential families of Wilf in which the label sets are finite dimensional vector spaces over a finite field rather than finite sets of positive integ...
CORR
2004
Springer
13 years 8 months ago
2004
Springer
We present a novel, type-logical analysis of polarity sensitivity: how negative polarity items (like any and ever) or positive ones (like some) are licensed or prohibited. It take...
GIS
2009
ACM
13 years 6 months ago
2009
ACM
Future driver assistance systems will require highly accurate positioning. One way to achieve this is by using on-board sensors to measure the relative location of landmarks for w...