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ICDE
2006
IEEE
164views Database» more  ICDE 2006»
14 years 9 months ago
Nearest Surrounder Queries
In this paper, we study a new type of spatial query, Nearest Surrounder (NS), which searches the nearest surrounding spatial objects around a query point. NS query can be more use...
Ken C. K. Lee, Wang-Chien Lee, Hong Va Leong
VLDB
2012
ACM
360views Database» more  VLDB 2012»
12 years 3 months ago
An adaptive updating protocol for reducing moving object database workload
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
Su Chen, Beng Chin Ooi, Zhenjie Zhang
EDBT
2009
ACM
174views Database» more  EDBT 2009»
14 years 2 months ago
Continuous probabilistic nearest-neighbor queries for uncertain trajectories
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...
Goce Trajcevski, Roberto Tamassia, Hui Ding, Peter...
ER
2004
Springer
144views Database» more  ER 2004»
14 years 28 days ago
Expressing and Optimizing Similarity-Based Queries in SQL
Searching for similar objects (in terms of near and nearest neighbors) of a given query object from a large set is an essential task in many applications. Recent years have seen g...
Like Gao, Min Wang, Xiaoyang Sean Wang, Sriram Pad...
DEXA
2010
Springer
213views Database» more  DEXA 2010»
13 years 8 months ago
Efficient K-Nearest Neighbor Search in Time-Dependent Spatial Networks
The class of k Nearest Neighbor (kNN) queries in spatial networks has been widely studied in the literature. All existing approaches for kNN search in spatial networks assume that ...
Ugur Demiryurek, Farnoush Banaei Kashani, Cyrus Sh...