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IPPS
1999
IEEE
15 years 11 months ago
Parallel Ant Colonies for Combinatorial Optimization Problems
Abstract. Ant Colonies AC optimization take inspiration from the behavior of real ant colonies to solve optimization problems. This paper presents a parallel model for ant colonies...
El-Ghazali Talbi, Olivier Roux, Cyril Fonlupt, Den...
STOC
2001
ACM
111views Algorithms» more  STOC 2001»
16 years 7 months ago
Optimal outlier removal in high-dimensional
We study the problem of finding an outlier-free subset of a set of points (or a probability distribution) in n-dimensional Euclidean space. As in [BFKV 99], a point x is defined t...
John Dunagan, Santosh Vempala
IPPS
2005
IEEE
16 years 12 days ago
A Powerful Direct Mechanism for Optimal WWW Content Replication
This paper addresses the problem of fine-grained data replication in large distributed systems, such as the Internet, so as to minimize the user access delays. With fine-grained d...
Samee Ullah Khan, Ishfaq Ahmad
DEXA
2005
Springer
80views Database» more  DEXA 2005»
16 years 10 days ago
Optimizing I/O Costs of Multi-dimensional Queries Using Bitmap Indices
Bitmap indices are efficient data structures for processing complex, multi-dimensional queries in data warehouse applications and scientific data analysis. For high-cardinality at...
Doron Rotem, Kurt Stockinger, Kesheng Wu
WSOM
2009
Springer
15 years 11 months ago
Optimal Combination of SOM Search in Best-Matching Units and Map Neighborhood
Abstract. The distribution of a class of objects, such as images depicting a specific topic, can be studied by observing the best-matching units (BMUs) of the objects’ feature v...
Mats Sjöberg, Jorma Laaksonen