59 search results - page 10 / 12 » An External Memory Data Structure for Shortest Path Queries |
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
ACTA
2010
13 years 7 months ago
2010
This paper describes an effective verification procedure for imperative programs that handle (balanced) tree-like data structures. Since the verification problem considered is unde...
PVLDB
2008
13 years 7 months ago
2008
The class of k Nearest Neighbor (kNN) queries is frequently used in geospatial applications. Many studies focus on processing kNN in Euclidean and road network spaces. Meanwhile, ...
FOCS
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— Thorup and Zwick, in their seminal work, introduced the approximate distance oracle, which is a data structure that answers distance queries in a graph. For any integer...
WADS
2007
Springer
14 years 1 months ago
2007
Springer
A ball graph is an intersection graph of a set of balls with arbitrary radii. Given a real number t > 1, we say that a subgraph G′ of a graph G is a t-spanner of G, if for eve...