ESA
2005
Springer
14 years 4 months ago
2005
Springer
Milgram’s experiment (1967) demonstrated that there are short chains of acquaintances between individuals, and that these chains can be discovered in a greedy manner. Kleinberg ...
ESA
2005
Springer
14 years 4 months ago
2005
Springer
This paper investigates, for the first time in the literature, the approximation of min-max (regret) versions of classical problems like shortest path, minimum spanning tree, and ...
ESA
2005
Springer
14 years 5 months ago
2005
Springer
In this paper, we will describe some heuristics that can be used to improve the runtime of a wide range of commonly used algorithms for the negative cycle detection problem signi...
ESA
2005
Springer
14 years 5 months ago
2005
Springer
ESA
2005
Springer
14 years 5 months ago
2005
Springer
We present a new speedup technique for route planning that exploits the hierarchy inherent in real world road networks. Our algorithm preprocesses the eight digit number of nodes n...
ESA
2005
Springer
14 years 5 months ago
2005
Springer
ESA
2005
Springer
14 years 5 months ago
2005
Springer
In geographic information retrieval users use names of geographic regions that do not have a well-defined boundary, like Southern France. We present two approaches to compute rea...
ESA
2005
Springer
14 years 5 months ago
2005
Springer
Abstract. We provide new tools, such as k-troikas and good subtreerepresentations, that allow us to give fast and simple algorithms computing branchwidth. We show that a graph G ha...
ESA
2005
Springer
14 years 5 months ago
2005
Springer
Histograms are used in many ways in conventional databases and in data stream processing for summarizing massive data distributions. Previous work on constructing histograms on da...
ESA
2005
Springer
14 years 5 months ago
2005
Springer
Abstract. A materialized view is a certain synopsis structure precomputed from one or more data sets (called base tables) in order to facilitate various queries on the data. When t...