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» Conceptual Modeling for Data Integration
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ER
2005
Springer
136views Database» more  ER 2005»
15 years 3 months ago
A Semantic Approach to Query Rewriting for Integrated XML Data
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
Xia Yang, Mong-Li Lee, Tok Wang Ling, Gillian Dobb...
GEOINFORMATICA
2006
116views more  GEOINFORMATICA 2006»
14 years 10 months ago
The Radial Topology Algorithm - A New Approach for Deriving 2.5D GIS Data Models
In this paper a new method for the combination of 2D GIS vector data and 2.5D DTM represented by triangulated irregular networks (TIN) to derive integrated triangular 2.5D object-b...
Ulrich Lenk, Christian Heipke
ER
2004
Springer
103views Database» more  ER 2004»
15 years 3 months ago
Querying Heterogeneous Spatial Databases: Combining an Ontology with Similarity Functions
This paper uses a knowledge-based approach to querying heterogeneous spatial databases based on an ontology and conceptual and attribute similarities. The ontology, which may be in...
Mariella Gutiérrez, M. Andrea Rodríg...
ECIS
2001
14 years 11 months ago
Knowledge integration processes within the context of enterprise resources planning (ERP) systems implementation
The empirical findings from an organization, which adopted and implemented ERP, are presented. The focus of this empirical research was to understand the nature and processes of k...
Jimmy C. Huang, Sue Newell, Shan Ling Pan, Robert ...
ICDM
2009
IEEE
164views Data Mining» more  ICDM 2009»
15 years 4 months ago
iTopicModel: Information Network-Integrated Topic Modeling
—Document networks, i.e., networks associated with text information, are becoming increasingly popular due to the ubiquity of Web documents, blogs, and various kinds of online da...
Yizhou Sun, Jiawei Han, Jing Gao, Yintao Yu