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DGO
2003
84views Education» more  DGO 2003»
9 years 3 months ago
The Relationship among GIS-Oriented Spatiotemporal Databases
: We overview three major types of GIS-oriented spatiotemporal databases: (1) point-based, (2) region-based, and (3) constraint-based. We analyze the relationship among these spati...
Lixin Li, Peter Z. Revesz
DGO
2003
151views Education» more  DGO 2003»
9 years 3 months ago
COPLINK: Visualization for Crime Analysis
We have applied various visualization techniques to assist crime analysis. These techniques include a hierarchical list, a hyperbolic tree, a time line tool, a periodic pattern to...
Hsinchun Chen, Homa Atabakhsh, Tim Petersen, Jenni...
DGO
2003
127views Education» more  DGO 2003»
9 years 3 months ago
A Geographic Visual Query Composer (GVQC) for Accessing Federal Databases
The paper introduces a query tool which allows users (either database experts or non-specialist users) to visually formulate and execute spatial queries directed to large federal ...
Diansheng Guo
DGO
2006
128views Education» more  DGO 2006»
9 years 3 months ago
Supporting humanitarian relief logistics operations through online geocollaborative knowledge management
Over the past two years, horrific disasters such as the Asian Tsunami, Hurricane Katrina, and the Pakistan Earthquake have demonstrated the critical need for effective technologic...
Brian M. Tomaszewski, Alan M. MacEachren, Scott Pe...
DGO
2006
134views Education» more  DGO 2006»
9 years 3 months ago
Next steps in near-duplicate detection for eRulemaking
Large volume public comment campaigns and web portals that encourage the public to customize form letters produce many near-duplicate documents, which increases processing and sto...
Hui Yang, Jamie Callan, Stuart W. Shulman
DGO
2006
113views Education» more  DGO 2006»
9 years 3 months ago
Progress in language processing technology for electronic rulemaking
In this project, we are developing new text processing tools that help people perform advanced analysis of large collections of text commentary. This problem is increasingly faced...
Stuart W. Shulman, Eduard H. Hovy, Jamie Callan, S...
DGO
2006
80views Education» more  DGO 2006»
9 years 3 months ago
Interdisciplinary analysis of digital government work
Hans Jochen Scholl, Jens-Erik Mai, Raya Fidel
DGO
2006
148views Education» more  DGO 2006»
9 years 3 months ago
Automatically labeling hierarchical clusters
Government agencies must often quickly organize and analyze large amounts of textual information, for example comments received as part of notice and comment rulemaking. Hierarchi...
Pucktada Treeratpituk, Jamie Callan
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