Sciweavers

5169 search results - page 207 / 1034
» Locality approximation using time
Sort
View
EDBT
2006
ACM
154views Database» more  EDBT 2006»
15 years 10 months ago
Approximation Techniques to Enable Dimensionality Reduction for Voronoi-Based Nearest Neighbor Search
Utilizing spatial index structures on secondary memory for nearest neighbor search in high-dimensional data spaces has been the subject of much research. With the potential to host...
Christoph Brochhaus, Marc Wichterich, Thomas Seidl
EDBT
2009
ACM
131views Database» more  EDBT 2009»
15 years 9 months ago
Sample synopses for approximate answering of group-by queries
With the amount of data in current data warehouse databases growing steadily, random sampling is continuously gaining in importance. In particular, interactive analyses of large d...
Philipp Rösch, Wolfgang Lehner
NETWORKS
2002
15 years 6 months ago
Approximation algorithms for constructing wavelength routing networks
Consider a requirement graph whose vertices represent customers and an edge represents the need to route a unit of flow between its end vertices along a single path. All of these ...
Refael Hassin, Asaf Levin
160
Voted
SODA
2010
ACM
209views Algorithms» more  SODA 2010»
16 years 3 months ago
Counting Stars and Other Small Subgraphs in Sublinear Time
Detecting and counting the number of copies of certain subgraphs (also known as network motifs or graphlets), is motivated by applications in a variety of areas ranging from Biolo...
Mira Gonen, Dana Ron, Yuval Shavitt
DAC
1997
ACM
15 years 10 months ago
Remembrance of Things Past: Locality and Memory in BDDs
Binary Decision Diagrams BDDs are e cient at manipulating large sets in a compact manner. BDDs, however, are inefcient at utilizing the memory hierarchy of the computer. Recent ...
Srilatha Manne, Dirk Grunwald, Fabio Somenzi