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ALGORITHMICA
2010
147views more  ALGORITHMICA 2010»
13 years 10 months ago
Note on the Structure of Kruskal's Algorithm
We study the merging process when Kruskal's algorithm is run with random graphs as inputs. Our aim is to analyze this process when the underlying graph is the complete graph ...
Nicolas Broutin, Luc Devroye, Erin McLeish
SODA
1993
ACM
118views Algorithms» more  SODA 1993»
13 years 11 months ago
Scapegoat Trees
We present an algorithm for maintaining binary search trees. The amortized complexity per INSERT or DELETE is O(log n) while the worst-case cost of a SEARCH is O(log n). Scapegoat...
Igal Galperin, Ronald L. Rivest
SIGMOD
2010
ACM
166views Database» more  SIGMOD 2010»
13 years 4 months ago
FAST: fast architecture sensitive tree search on modern CPUs and GPUs
In-memory tree structured index search is a fundamental database operation. Modern processors provide tremendous computing power by integrating multiple cores, each with wide vect...
Changkyu Kim, Jatin Chhugani, Nadathur Satish, Eri...
ICIP
2009
IEEE
14 years 9 months ago
A Markov Random Field Model for Extracting Near-Circular Shapes
We propose a binary Markov Random Field (MRF) model that assigns high probability to regions in the image domain consisting of an unknown number of circles of a given radius. We...
Tamas Blaskovics, Zoltan Kato, and Ian Jermyn
JCT
2007
150views more  JCT 2007»
13 years 9 months ago
On the degree distribution of the nodes in increasing trees
Abstract. Simple families of increasing trees can be constructed from simply generated tree families, if one considers for every tree of size n all its increasing labellings, i.e.,...
Markus Kuba, Alois Panholzer