Sciweavers

1732 search results - page 76 / 347
» Sequences of Level 1, 2, 3, ..., k , ..
Sort
View
AIED
2005
Springer
15 years 12 months ago
Making Learning Design Standards Work with an Ontology of Educational Theories
In this paper, we present an ontology of educational theories their relation to learning design. This ontology takes into account learning design (LD) specifications such as OUNL-E...
Valéry Psyché, Jacqueline Bourdeau, ...
COMPGEOM
2010
ACM
15 years 11 months ago
Orthogonal range reporting: query lower bounds, optimal structures in 3-d, and higher-dimensional improvements
Orthogonal range reporting is the problem of storing a set of n points in d-dimensional space, such that the k points in an axis-orthogonal query box can be reported efficiently. ...
Peyman Afshani, Lars Arge, Kasper Dalgaard Larsen
ORDER
2008
61views more  ORDER 2008»
15 years 6 months ago
Partitioning Posets
Given a poset P = (X, ), a partition X1, . . . , Xk of X is called an ordered partition of P if, whenever x Xi and y Xj with x y, then i j. In this paper, we show that for ever...
Viresh Patel
ALGORITHMICA
2006
109views more  ALGORITHMICA 2006»
15 years 6 months ago
Computing All Immobilizing Grasps of a Simple Polygon with Few Contacts
: We study the output-sensitive computations of all the combinations of the edges and vertices of a simple polygon P that allow a form closure grasp with less than four point conta...
Jae-Sook Cheong, Herman J. Haverkort, A. Frank van...
COMPGEOM
2010
ACM
15 years 11 months ago
The 2-center problem in three dimensions
Let P be a set of n points in R3 . The 2-center problem for P is to find two congruent balls of the minimum radius whose union covers P. We present two randomized algorithms for ...
Pankaj K. Agarwal, Rinat Ben Avraham, Micha Sharir