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ADBIS
2010
Springer
192views Database» more  ADBIS 2010»
13 years 10 months ago
The Objects Interaction Graticule for Cardinal Direction Querying in Moving Objects Data Warehouses
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial wayfinding, GIS, qualitative spatial reasoning ...
Ganesh Viswanathan, Markus Schneider
DASFAA
2009
IEEE
147views Database» more  DASFAA 2009»
14 years 3 months ago
"Pay-as-You-Go" Processing for Tracing Queries in a P2P Record Exchange System
In recent years, data provenance or lineage tracing which refers to the process of tracing the sources of data, data movement between databases, and annotations written for data ha...
Fengrong Li, Takuya Iida, Yoshiharu Ishikawa
ER
2008
Springer
123views Database» more  ER 2008»
13 years 10 months ago
Modeling and Querying E-Commerce Data in Hybrid Relational-XML DBMSs
Abstract. Data in many industrial application systems are often neither completely structured nor unstructured. Consequently semi-structured data models such as XML have become pop...
Lipyeow Lim, Haixun Wang, Min Wang
SIGMOD
2005
ACM
254views Database» more  SIGMOD 2005»
14 years 9 months ago
Conceptual Partitioning: An Efficient Method for Continuous Nearest Neighbor Monitoring
Given a set of objects P and a query point q, a k nearest neighbor (k-NN) query retrieves the k objects in P that lie closest to q. Even though the problem is well-studied for sta...
Kyriakos Mouratidis, Marios Hadjieleftheriou, Dimi...
DOLAP
2005
ACM
13 years 10 months ago
Parallel querying of ROLAP cubes in the presence of hierarchies
Online Analytical Processing is a powerful framework for the analysis of organizational data. OLAP is often supported by a logical structure known as a data cube, a multidimension...
Frank K. H. A. Dehne, Todd Eavis, Andrew Rau-Chapl...