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89
Voted
DAGSTUHL
2007
15 years 2 months ago
2007
: Ranking theory delivers an account of iterated contraction; each ranking function induces a specific iterated contraction behavior. The paper gives a complete axiomatization of t...
106
Voted
DAGSTUHL
2007
15 years 2 months ago
2007
To decide if the parameterized feedback vertex set problem in directed graph is fixed-parameter tractable is a long standing open problem. In this paper, we prove that the paramet...
87
Voted
DAGSTUHL
2007
15 years 2 months ago
2007
The purpose of this paper is to draw a preliminary model of an ontology of organizations. The emphasis is on the structural aspects of organizations and the relations that these ha...
77
Voted
DAGSTUHL
2007
15 years 2 months ago
2007
This abstract summarizes a brief, preliminary formalization of learning in parallel universes. It also attempts to highlight a few neighboring learning paradigms to illustrate how ...
DAGSTUHL
2004
15 years 2 months ago
2004
A rich semantic model of annotation is presented that distinguishes several annotation types, uses controlled vocabulary where appropriate, and supports multi-facetted characteriza...