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SIGMOD
2012
ACM
250views Database» more  SIGMOD 2012»
8 years 23 days ago
Authenticating location-based services without compromising location privacy
The popularity of mobile social networking services (mSNSs) is propelling more and more businesses, especially those in retailing and marketing, into mobile and location-based for...
Haibo Hu, Jianliang Xu, Qian Chen, Ziwei Yang
SAC
2011
ACM
9 years 1 months ago
Tracking continuous topological changes of complex moving regions
A moving region whose location and extend change over time can imply topological changes such as region split and hole formation. To study this phenomenon is useful in many applic...
Hechen Liu, Markus Schneider
EDBT
2011
ACM
225views Database» more  EDBT 2011»
9 years 1 months ago
SeMiTri: a framework for semantic annotation of heterogeneous trajectories
GPS devices allow recording the movement track of the moving object they are attached to. This data typically consists of a stream of spatio-temporal (x,y,t) points. For applicati...
Zhixian Yan, Dipanjan Chakraborty, Christine Paren...
SAC
2008
ACM
9 years 9 months ago
Spatial vagueness and imprecision in databases
The impossibility of current spatial database systems and GIS to handle spatial vagueness and imprecision has been recognized as an important problem in the spatial database domai...
Alejandro Pauly, Markus Schneider
VLDB
2002
ACM
108views Database» more  VLDB 2002»
9 years 10 months ago
Energy-performance trade-offs for spatial access methods on memory-resident data
Abstract. The proliferation of mobile and pervasive computing devices has brought energy constraints into the limelight. Energy-conscious design is important at all levels of syste...
Ning An, Sudhanva Gurumurthi, Anand Sivasubramania...
TOCL
2002
96views more  TOCL 2002»
9 years 10 months ago
On first-order topological queries
One important class of spatial database queries is the class of topological queries, that is, queries invariant under homeomorphisms. Westudy topological queries expressible in th...
Martin Grohe, Luc Segoufin
DKE
1998
125views more  DKE 1998»
9 years 10 months ago
Data Models and Query Languages for Spatial Databases
The main purpose of this paper is to investigate the characteristics that distinguish spatial databases systems from traditional ones. Hereto, we give an overview of some well-kno...
Jan Paredaens, Bart Kuijpers
IRMA
2000
9 years 11 months ago
A survey of spatial data mining methods databases and statistics point of views
This paper reviews the data mining methods that are combined with Geographic Information Systems (GIS) for carrying out spatial analysis of geographic data. We will first look at d...
Karine Zeitouni
GEOINFO
2003
9 years 11 months ago
Image Data Handling in Spatial Databases
The recent advances in database technology have enabled the development of a new generation of spatial databases, where the DBMS is able to manage spatial and non-spatial data typ...
Lúbia Vinhas, Ricardo Cartaxo Modesto de So...
CDES
2008
123views Hardware» more  CDES 2008»
9 years 11 months ago
R-tree: A Hardware Implementation
R-tree data structures are widely used in spatial databases to store, manage and manipulate spatial information. As the data volume of such databases is typically very large, the q...
Xiang Xiao, Tuo Shi, Pranav Vaidya, Jaehwan John L...
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