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» A Conceptual Model for Multidimensional Data
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ICTAI
2002
IEEE
15 years 8 months ago
Adjusted Network Flow for the Shelf-Space Allocation Problem
In this paper, we study shelf space allocation optimization which is important to retail operations management. Our approach is to formulate a model that is applicable to operatio...
Andrew Lim, Brian Rodrigues, Fei Xiao, Xingwen Zha...
ER
2004
Springer
107views Database» more  ER 2004»
15 years 9 months ago
A Scaleless Data Model for Direct and Progressive Spatial Query Processing
A progressive spatial query retrieves spatial data based on previous queries (e.g., to fetch data in a more restricted area with higher resolution). A direct query, on the other si...
Sai Sun, Sham Prasher, Xiaofang Zhou
GISCIENCE
2008
Springer
140views GIS» more  GISCIENCE 2008»
15 years 4 months ago
Modeling Herds and Their Evolvements from Trajectory Data
A trajectory is the time-stamped path of a moving entity through space. Given a set of trajectories, this paper proposes new conceptual definitions for a spatio-temporal pattern n...
Yan Huang, Cai Chen, Pinliang Dong
ICDT
2007
ACM
106views Database» more  ICDT 2007»
15 years 10 months ago
Trajectory Databases: Data Models, Uncertainty and Complete Query Languages
Moving objects produce trajectories. We describe a data model for trajectories and trajectory samples and an efficient way of modeling uncertainty via beads for trajectory samples....
Bart Kuijpers, Walied Othman
DEXAW
2005
IEEE
119views Database» more  DEXAW 2005»
15 years 9 months ago
A Performance Measurement Perspective for Event-Driven Process Chains
Business processes access Data Warehouse (DWH) information for performance measurement, supporting business decisions. Today, there are no conceptual models available that make th...
Veronika Stefanov, Beate List