1922 search results - page 70 / 385 » ie 2007 |
CCCG
2009
13 years 9 months ago
2009
In this paper we study the problem of computing an upward straight-line embedding of a directed graph G into a point set S, i.e. a planar drawing of G such that each vertex is map...
ACTA
2007
13 years 8 months ago
2007
Abstract This paper explores different means of representation for algebraic transductions, i.e., word relations realized by pushdown transducers. The relevance of this work lies m...
ACTA
2007
13 years 8 months ago
2007
Abstract Computing frequent itemsets is one of the most prominent problems in data mining. Recently, a new related problem, called FREQSAT, was introduced and studied: given some i...
AUTOMATICA
2007
13 years 8 months ago
2007
Second order sliding modes are used to keep exactly a constraint of the second relative degree or just to avoid chattering, i.e. in the cases when the standard (first order) slidi...
BMCBI
2007
13 years 8 months ago
2007
Background: Helical membrane proteins (HMPs) play a crucial role in diverse cellular processes, yet it still remains extremely difficult to determine their structures by experimen...