123 search results - page 20 / 25 » Query Processing Using Distance Oracles for Spatial Networks |
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
The K-Nearest Neighbor search (kNN) problem has been investigated extensively in the past due to its broad range of applications. In this paper we study this problem in the contex...
GIS
2010
ACM
14 years 7 months ago
2010
ACM
Social networking applications have become very important web services that provide Internet-based platforms for their users to interact with their friends. With the advances in t...
SIGIR
1996
ACM
15 years 1 months ago
1996
ACM
The aggregated structure of documents plays a key role in full-text, multimedia, and network Information Retrieval (IR). Considering aggregation provides new querying facilities a...
SSD
2005
Springer
15 years 3 months ago
2005
Springer
This paper proposes and solves a-autonomy and k-stops shortest path problems in large spatial databases. Given a source s and a destination d, an aautonomy query retrieves a sequen...
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EUROPAR
2008
Springer
14 years 11 months ago
2008
Springer
Abstract. Distributed moving object database servers are a feasible solution to the scalability problem of centralized database systems. In this paper we propose a distributed inde...