Sciweavers

40 search results - page 8 / 8
» focs 1999
Sort
View
FOCS
1999
IEEE
13 years 9 months ago
Near-Optimal Conversion of Hardness into Pseudo-Randomness
Various efforts ([?, ?, ?]) have been made in recent years to derandomize probabilistic algorithms using the complexity theoretic assumption that there exists a problem in E = dti...
Russell Impagliazzo, Ronen Shaltiel, Avi Wigderson
APPROX
2006
Springer
105views Algorithms» more  APPROX 2006»
13 years 8 months ago
Space Complexity vs. Query Complexity
Abstract. Combinatorial property testing deals with the following relaxation of decision problems: Given a fixed property and an input x, one wants to decide whether x satisfies th...
Oded Lachish, Ilan Newman, Asaf Shapira
FOCS
2000
IEEE
13 years 9 months ago
Stable Distributions, Pseudorandom Generators, Embeddings and Data Stream Computation
In this article, we show several results obtained by combining the use of stable distributions with pseudorandom generators for bounded space. In particular: —We show that, for a...
Piotr Indyk
STOC
2006
ACM
116views Algorithms» more  STOC 2006»
14 years 5 months ago
Linear degree extractors and the inapproximability of max clique and chromatic number
: We derandomize results of H?astad (1999) and Feige and Kilian (1998) and show that for all > 0, approximating MAX CLIQUE and CHROMATIC NUMBER to within n1are NP-hard. We furt...
David Zuckerman
COSIT
1999
Springer
119views GIS» more  COSIT 1999»
13 years 9 months ago
The Role of Identity Conditions in Ontology Design
Cur rent ont ologi es' upp er-le vel tax onomi c str uctur e is oft en qui te com plica ted and hard to und ersta nd. In thi s pap er I sho w how the the oret ical too ls of ...
Nicola Guarino