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DGO
2003
128views Education» more  DGO 2003»
9 years 2 months ago
A Study on Automatic Ontology Mapping of Categorical Information
Semantic heterogeneity of information is a major barrier of information and system interoperability. Defining ontology of data and mapping ontologies among heterogeneous informati...
Naijun Zhou
DGO
2003
94views Education» more  DGO 2003»
9 years 2 months ago
DGPort: A Web Portal for Digital Government
This paper provides a summary of the initial development of a Web portal for the digital government domain. Information retrieval techniques commonly used to find information on t...
Chun Q. Yin, L. Dwayne Nickels, Charles Zhi-kai Ch...
DGO
2003
111views Education» more  DGO 2003»
9 years 2 months ago
Digital Citizenship: Parameters of the Digital Divide
As part of a National Science Foundation-funded study, we analyze data from a 2002 Midwest urban random sample survey (n = 167 adults) of differential access to and uses of comput...
Stuart W. Shulman, Mack C. Shelley, Lisa Thrane
DGO
2003
113views Education» more  DGO 2003»
9 years 2 months ago
Resolving Schema and Value Heterogeneities for XML Web Querying
To query XML data over the Web, query engines need to be able to resolve semantic differences between heterogeneous attributes that are conceptually similar. This demo presents a ...
Nancy Wiegand, Naijun Zhou, Stephen J. Ventura, Is...
DGO
2003
129views Education» more  DGO 2003»
9 years 2 months ago
Extending XML Web Querying to Heterogeneous Geospatial Information
This paper describes a Web-based query system for semantically heterogeneous geospatial data. Our goal is to provide DBMS type query capabilities to a proposed statewide land info...
Nancy Wiegand, Naijun Zhou, Stephen J. Ventura, Is...
DGO
2003
79views Education» more  DGO 2003»
9 years 2 months ago
Finding Outliers in Models of Spatial Data
Statistical models fit to data often require extensive and challenging re-estimation before achieving final form. For example, outliers can adversely affect fits. In other cas...
David W. Scott, J. Blair Christian
DGO
2003
233views Education» more  DGO 2003»
9 years 2 months ago
SemView: A Semantic-sensitive Distributed Image Retrieval System
State-of-art image retrieval techniques have been developed to support high-level (semantics) querying and browsing of images. For certain user queries, it is also very important ...
Wei Wang, Yimin Wu, Aidong Zhang
DGO
2003
114views Education» more  DGO 2003»
9 years 2 months ago
Conception and Implementation of Digital Government Projects: The Role of Knowledge Transfer
This paper examines digital government projects at the group level. I argue that knowledge transfer plays a crucial role in the conception and implementation of digital government...
Maria Christina Scharf
DGO
2003
147views Education» more  DGO 2003»
9 years 2 months ago
A Framework for the Representation of Geospatial Image Processing Operations
Research advances in geospatial automated image analysis tools and feature extraction algorithms have matured in recent times to levels of practical applicability. The consolidati...
Vijay Venkataraman, Peggy Agouris
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