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JIDM
2010
121views more  JIDM 2010»
13 years 6 months ago
Providing Multidimensional and Geographical Integration Based on a GDW and Metamodels
Data Warehouse (DW), On-Line Analytical Processing (OLAP) and Geographical Information System (GIS) are tools for providing decision-making support. Much research is aimed at inte...
Robson do Nascimento Fidalgo, Valéria Ces&a...
POPL
2006
ACM
14 years 8 months ago
A virtual class calculus
Virtual classes are class-valued attributes of objects. Like virtual methods, virtual classes are defined in an object's class and may be redefined within subclasses. They re...
Erik Ernst, Klaus Ostermann, William R. Cook
TSD
2007
Springer
14 years 1 months ago
Lexical and Perceptual Grounding of a Sound Ontology
Sound ontologies need to incorporate source unidentifiable sounds in an adequate and consistent manner. Computational lexical resources like WordNet have either inserted these des...
Anna Lobanova, Jennifer Spenader, Bea Valkenier
BMCBI
2005
156views more  BMCBI 2005»
13 years 7 months ago
DynGO: a tool for visualizing and mining of Gene Ontology and its associations
Background: A large volume of data and information about genes and gene products has been stored in various molecular biology databases. A major challenge for knowledge discovery ...
Hongfang Liu, Zhang-Zhi Hu, Cathy H. Wu
ICDE
1997
IEEE
114views Database» more  ICDE 1997»
14 years 9 months ago
Modeling Multidimensional Databases
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
Rakesh Agrawal, Ashish Gupta, Sunita Sarawagi