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IGIS
1994
156views GIS» more  IGIS 1994»
15 years 8 months ago
Optimizing Spatial Data Structures For Static Data
During the last decade various spatial data structures have been designed and compared against each other, all of them re ecting a dynamic situation with ongoing object insertion a...
Lukas Bachmann, Bernd-Uwe Pagel, Hans-Werner Six
INFOCOM
2007
IEEE
15 years 10 months ago
Lava: A Reality Check of Network Coding in Peer-to-Peer Live Streaming
—In recent literature, network coding has emerged as a promising information theoretic approach to improve the performance of both peer-to-peer and wireless networks. It has been...
Mea Wang, Baochun Li
166
Voted
FOCS
2008
IEEE
15 years 10 months ago
Dynamic Connectivity: Connecting to Networks and Geometry
Dynamic connectivity is a well-studied problem, but so far the most compelling progress has been confined to the edge-update model: maintain an understanding of connectivity in a...
Timothy M. Chan, Mihai Patrascu, Liam Roditty
FOCS
2006
IEEE
15 years 10 months ago
On the Quantum Query Complexity of Local Search in Two and Three Dimensions
The quantum query complexity of searching for local optima has been a subject of much interest in the recent literature. For the d-dimensional grid graphs, the complexity has been...
Xiaoming Sun, Andrew Chi-Chih Yao
STOC
2010
ACM
224views Algorithms» more  STOC 2010»
15 years 8 months ago
Satisfiability Allows No Nontrivial Sparsification Unless The Polynomial-Time Hierarchy Collapses
Consider the following two-player communication process to decide a language L: The first player holds the entire input x but is polynomially bounded; the second player is computa...
Holger Dell and Dieter van Melkebeek