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ER
2001
Springer
75views Database» more  ER 2001»
14 years 1 months ago
Structuring Web Sites Using Audience Class Hierarchies
WSDM is an audience driven design method for web sites. By explicitly starting from the requirements of the web sites audience (the users or visitors), WSDM avoids problems caused ...
Sven Casteleyn, Olga De Troyer
VLDB
1999
ACM
174views Database» more  VLDB 1999»
14 years 1 months ago
Extending Practical Pre-Aggregation in On-Line Analytical Processing
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...
Torben Bach Pedersen, Christian S. Jensen, Curtis ...
SOFSEM
1998
Springer
14 years 1 months ago
Some Results on the Modelling of Spatial Data
Abstract. Formal methods based on the mathematical theory of partially ordered sets (i.e., posets) have been used in the database field for the modelling of spatial data since many...
Luca Forlizzi, Enrico Nardelli
SIGMOD
1997
ACM
107views Database» more  SIGMOD 1997»
14 years 1 months ago
Picture Programming Project
Visual Language (VL) system development is getting increasingly sophisticated in part due to the arduous nature of user interface (UI) code development. This typically involves id...
Nita Goyal, Charles Hoch, Ravi Krishnamurthy, Bria...
ISMIS
1997
Springer
14 years 1 months ago
Knowledge-Based Image Retrieval with Spatial and Temporal Constructs
e about image features can be expressed as a hierarchical structure called a Type Abstraction Hierarchy (TAH). TAHs can be generated automatically by clustering algorithms based on...
Wesley W. Chu, Alfonso F. Cardenas, Ricky K. Taira