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ESA
2007
Springer
188views Algorithms» more  ESA 2007»
14 years 2 months ago
Fast and Compact Oracles for Approximate Distances in Planar Graphs
We present an experimental evaluation of an approximate distance oracle recently suggested by Thorup [1] for undirected planar graphs. The oracle uses the existence of graph separa...
Laurent Flindt Muller, Martin Zachariasen
LCPC
2004
Springer
14 years 1 months ago
Supporting SQL-3 Aggregations on Grid-Based Data Repositories
There is an increasing trends towards distributed and shared repositories for storing scientific datasets. Developing applications that retrieve and process data from such reposit...
Li Weng, Gagan Agrawal, Ümit V. Çataly...
DIALM
2003
ACM
99views Algorithms» more  DIALM 2003»
14 years 1 months ago
Spatio-temporal data reduction with deterministic error bounds
A common way of storing spatio-temporal information about mobile devices is in the form of a 3D (2D geography + time) trajectory. We argue that when cellular phones and Personal D...
Hu Cao, Ouri Wolfson, Goce Trajcevski
SIGMOD
2010
ACM
239views Database» more  SIGMOD 2010»
14 years 25 days ago
Computing label-constraint reachability in graph databases
Our world today is generating huge amounts of graph data such as social networks, biological networks, and the semantic web. Many of these real-world graphs are edge-labeled graph...
Ruoming Jin, Hui Hong, Haixun Wang, Ning Ruan, Yan...
AGENTS
2001
Springer
14 years 16 days ago
A shopper's assistant
Shopping on the Internet has become a convenient way of purchasing commodities of choice. A key contribution of agent technology will be to develop personal agents that can assist...
Partha Sarathi Dutta, Sandip Debnath, Sandip Sen