Sciweavers

3678 search results - page 451 / 736
» Personalization of Queries in Database Systems
Sort
View
GIS
2006
ACM
16 years 7 months ago
Efficient GML-native processors for web-based GIS: techniques and tools
Geography Markup Language (GML) is an XML-based language for the markup, storage, and exchange of geospatial data. It provides a rich geospatial vocabulary and allows flexible doc...
Chia-Hsin Huang, Tyng-Ruey Chuang, Dong-Po Deng, H...
PODS
2009
ACM
229views Database» more  PODS 2009»
16 years 7 months ago
Computing all skyline probabilities for uncertain data
Skyline computation is widely used in multi-criteria decision making. As research in uncertain databases draws increasing attention, skyline queries with uncertain data have also ...
Mikhail J. Atallah, Yinian Qi
ICDE
2011
IEEE
217views Database» more  ICDE 2011»
14 years 10 months ago
Partitioning techniques for fine-grained indexing
— Many data-intensive websites use databases that grow much faster than the rate that users access the data. Such growing datasets lead to ever-increasing space and performance o...
Eugene Wu 0002, Samuel Madden
TOOLS
2000
IEEE
15 years 11 months ago
Spatiotemporal Data Modeling and Management: A Survey
Many data objects in the real world have attributes about location and time. Such spatiotemporal objects can be found in applications such Geographic Information Systems (GIS), env...
Xiaoyu Wang, Xiaofang Zhou, Sanglu Lu
EDBT
1994
ACM
149views Database» more  EDBT 1994»
15 years 10 months ago
On the Estimation of Join Result Sizes
Abstract. Good estimates of join result sizes are critical for query optimization in relational database management systems. We address the problem of incrementally obtaining accur...
Arun N. Swami, K. Bernhard Schiefer