Sciweavers

41 search results - page 7 / 9
» Distinct nearest neighbors queries for similarity search in ...
Sort
View
ICDE
2008
IEEE
182views Database» more  ICDE 2008»
14 years 8 months ago
SpaceTwist: Managing the Trade-Offs Among Location Privacy, Query Performance, and Query Accuracy in Mobile Services
In a mobile service scenario, users query a server for nearby points of interest but they may not want to disclose their locations to the service. Intuitively, location privacy may...
Man Lung Yiu, Christian S. Jensen, Xuegang Huang, ...
ISCI
2007
141views more  ISCI 2007»
13 years 7 months ago
A performance comparison of distance-based query algorithms using R-trees in spatial databases
Efficient processing of distance-based queries (DBQs) is of great importance in spatial databases due to the wide area of applications that may address such queries. The most repr...
Antonio Corral, Jesús Manuel Almendros-Jim&...
VLDB
2007
ACM
197views Database» more  VLDB 2007»
14 years 7 months ago
Indexable PLA for Efficient Similarity Search
Similarity-based search over time-series databases has been a hot research topic for a long history, which is widely used in many applications, including multimedia retrieval, dat...
Qiuxia Chen, Lei Chen 0002, Xiang Lian, Yunhao Liu...
VLDB
2001
ACM
94views Database» more  VLDB 2001»
13 years 12 months ago
FeedbackBypass: A New Approach to Interactive Similarity Query Processing
In recent years, several methods have been proposed for implementing interactive similarity queries on multimedia databases. Common to all these methods is the idea to exploit use...
Ilaria Bartolini, Paolo Ciaccia, Florian Waas
EDBT
2009
ACM
164views Database» more  EDBT 2009»
14 years 2 days ago
Fast object search on road networks
In this paper, we present ROAD, a general framework to evaluate Location-Dependent Spatial Queries (LDSQ)s that searches for spatial objects on road networks. By exploiting search...
Ken C. K. Lee, Wang-Chien Lee, Baihua Zheng