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» Scalable network distance browsing in spatial databases
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GIS
2002
ACM
13 years 7 months ago
A road network embedding technique for k-nearest neighbor search in moving object databases
A very important class of queries in GIS applications is the class of K-Nearest Neighbor queries. Most of the current studies on the K-Nearest Neighbor queries utilize spatial ind...
Cyrus Shahabi, Mohammad R. Kolahdouzan, Mehdi Shar...
SAC
2009
ACM
14 years 2 months ago
GPU-based computation of distance functions on road networks with applications
We present a GPU-based algorithm for computing discretized distance functions on road networks. As applications, we provide algorithms for computing discrete Order-k Network Voron...
Marta Fort, Joan Antoni Sellarès
ICDE
2009
IEEE
210views Database» more  ICDE 2009»
14 years 9 months ago
Keyword Search in Spatial Databases: Towards Searching by Document
This work addresses a novel spatial keyword query called the m-closest keywords (mCK) query. Given a database of spatial objects, each tuple is associated with some descriptive inf...
Dongxiang Zhang, Yeow Meng Chee, Anirban Mondal, A...
DASFAA
2006
IEEE
136views Database» more  DASFAA 2006»
14 years 1 months ago
Mining Outliers in Spatial Networks
Outlier analysis is an important task in data mining and has attracted much attention in both research and applications. Previous work on outlier detection involves different type...
Wen Jin, Yuelong Jiang, Weining Qian, Anthony K. H...
ICDE
2011
IEEE
288views Database» more  ICDE 2011»
12 years 11 months ago
Optimal location queries in road network databases
— Optimal location (OL) queries are a type of spatial queries particularly useful for the strategic planning of resources. Given a set of existing facilities and a set of clients...
Xiaokui Xiao, Bin Yao 0002, Feifei Li