Sciweavers

2370 search results - page 179 / 474
» A Structured Set of Higher-Order Problems
Sort
View
126
Voted
CORR
2010
Springer
162views Education» more  CORR 2010»
15 years 12 days ago
Cross-Composition: A New Technique for Kernelization Lower Bounds
We introduce a new technique for proving kernelization lower bounds, called cross-composition. A classical problem L cross-composes into a parameterized problem Q if an instance o...
Hans L. Bodlaender, Bart M. P. Jansen, Stefan Krat...
153
Voted
TCC
2004
Springer
164views Cryptology» more  TCC 2004»
15 years 9 months ago
Hierarchical Threshold Secret Sharing
We consider the problem of threshold secret sharing in groups with hierarchical structure. In such settings, the secret is shared among a group of participants that is partitioned ...
Tamir Tassa
144
Voted
TABLEAUX
2009
Springer
15 years 10 months ago
Tableaux and Model Checking for Memory Logics
Memory logics are modal logics whose semantics is specified in terms of relational models enriched with additional data structure to represent memory. The logical language is then...
Carlos Areces, Diego Figueira, Daniel Gorín...
PODS
1995
ACM
124views Database» more  PODS 1995»
15 years 7 months ago
Window Query-Optimal Clustering of Spatial Objects
During the last decade various spatial data structures have been designed and compared against each other with respect to their performance. Still missing is a lower bound result,...
Bernd-Uwe Pagel, Hans-Werner Six, Mario Winter
152
Voted
COMPGEOM
2006
ACM
15 years 7 months ago
I/O-efficient batched union-find and its applications to terrain analysis
Despite extensive study over the last four decades and numerous applications, no I/O-efficient algorithm is known for the union-find problem. In this paper we present an I/O-effic...
Pankaj K. Agarwal, Lars Arge, Ke Yi