Sciweavers

216 search results - page 7 / 44
» Trajectory Data Warehouses: Proposal of Design and Applicati...
Sort
View
SSDBM
2003
IEEE
137views Database» more  SSDBM 2003»
14 years 1 months ago
Supporting Sliding Window Queries for Continuous Data Streams
Although traditional databases and data warehouses have been exploited widely to manage persistent data, a large number of applications from sensor network need functional support...
Lin Qiao, Divyakant Agrawal, Amr El Abbadi
MCS
2005
Springer
14 years 1 months ago
Exploiting Class Hierarchies for Knowledge Transfer in Hyperspectral Data
Abstract. Obtaining ground truth for hyperspectral data is an expensive task. In addition, a number of factors cause the spectral signatures of the same class to vary with location...
Suju Rajan, Joydeep Ghosh
DOLAP
2010
ACM
13 years 6 months ago
Relational versus non-relational database systems for data warehousing
Relational database systems have been the dominating technology to manage and analyze large data warehouses. Moreover, the ER model, the standard in database design, has a close r...
Carlos Ordonez, Il-Yeol Song, Carlos Garcia-Alvara...
PVLDB
2011
12 years 11 months ago
CoHadoop: Flexible Data Placement and Its Exploitation in Hadoop
Hadoop has become an attractive platform for large-scale data analytics. In this paper, we identify a major performance bottleneck of Hadoop: its lack of ability to colocate relat...
Mohamed Y. Eltabakh, Yuanyuan Tian, Fatma Özc...
ICDE
2010
IEEE
249views Database» more  ICDE 2010»
14 years 3 months ago
PARINET: A tunable access method for in-network trajectories
— In this paper we propose PARINET, a new access method to efficiently retrieve the trajectories of objects moving in networks. The structure of PARINET is based on a combination...
Iulian Sandu Popa, Karine Zeitouni, Vincent Oria, ...