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GeoWorlds
A Geographically-Based
Information System for Situation
Understanding and Management
Robert Neches, Murilo Coutinho,
Alejandro Bugacov, Ke-Thia Yao, Vished Kumar,
In-Young Ko, Ragy Eleish, Sameer Abhinkar
University of Southern California
Information Sciences Institute
Marina del Rey, California
USC Information Sciences Institute
GeoWorlds
Application Domain
 Targeted at communities requiring Situation
Understanding and Management Systems:
– Humanitarian Assistance/Disaster Relief
– Intelligence Analysis
– Urban Development
– Supply Control
– Others….
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GeoWorlds
Goals
– Marshal everything known about a region
• Rapid creation of customized Information Spaces
– Analyze and act on all data and information
available related to situations/region.
– Monitor the progress of events in space and
time.
– Share expertise and information through a
collaborative environment.
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GeoWorlds
Vision of the System...
Coast Guard
California Highways
San Diego TFire
ra n sp o rta tio n
80
A ir
70
G r oun d
60
S u rf ac e
50
R es our c es
40
30
20
10
R e s o u rc e s
S u rfa c e
0
G ro u n d
G ov
A ir
In t.
O rg
NGO
O th e r
Tra n sp o rta tio n
Go v
NGO
O the r
11
0
8
21
Gr o un d
10
0
4
18
S u r f ac e
5
0
4
24
72
11
11
0
72
104
37
11
16
135
248
Re so u r ce s
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I n t. Or g
A ir
40
32
GeoWorlds
Sample Application Scenario
– Disaster situation in San Diego Harbor
– Toxic plume spreading inland
– Need to organize emergency operations,
provide information to team members
– Information specialists working with other
spatially distributed team members
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GeoWorlds
Categorization
of GeoWorlds Components
 Collection Generators: provide access to structured (e.g.,
metadata available) or highly unstructured (e.g., the Web) information
repositories.
 Characterization/Partitioning: provide mechanisms for
clustering, filtering and organizing the content of information repositories.
 Interactive Analysis and Visualization: provide
interaction with documents and their content, simulate physical processes
and visualize their results.
 Processing/Piping: form the pipeline for passing data and
information between components.
 Collaboration: support all previous components allowing spatially
distributed teams to interactively explore, understand and act on the
situation.
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GeoWorlds
System Architecture
GeoWorlds
Database
ADL
Server
Sensor Data
(HDF)
Server
GeoWorlds Client
Data Warehouse
Plume Analyzer
GeoWorlds Control
Tool:
• Service registration
• Incident Registration
Cache
GIS
DASHER
Information
Analysis Tool
Habanero Client
GeoWorlds Client
Plume Analyzer
Habanero Client
GeoWorlds Client GIS
Plume Analyzer
Habanero Client
DASHER
AnalysisGIS
Tools
DASHER
DASHER
GeoWorlds Server
GeoWorlds Session
Habanero Server
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GeoWorlds
Key Capabilities
– Configurable system through registry of components
– Rapid creation of customized repositories of maps,
images and documents from multiple sources
– Bi-directional flow between document-oriented and
geographic views of the situation
– Shared operations between teams through a
collaborative environment
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GeoWorlds
Registry of Components
Registration of components,
implementing the API specified for
the appropriate component class
Registration informs the system of
the services a component provides
Chaining of components when
building applications
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GeoWorlds
Key Capabilities
– Configurable system through registry of components
– Rapid creation of customized repositories of maps,
images and documents from multiple sources
– Bi-directional flow between document-oriented and
geographic views of the situation
– Shared operations between teams through a
collaborative environment
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GeoWorlds
Query Multiple Geographic
Information Repositories
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GeoWorlds
Data Browser
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GeoWorlds
GIS Component
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GeoWorlds
Plume Analysis, Simulation
Results and Sensor Data
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GeoWorlds
Visualization of HDF Data
Such as Sensor Outputs
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GeoWorlds
Key Capabilities
– Configurable system through registry of components
– Rapid creation of customized repositories of maps,
images and documents from multiple sources
– Bi-directional flow between document-oriented and
geographic views of the situation
– Shared operations between teams through a
collaborative environment
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GeoWorlds
From a Geographic to a DocumentOriented View of the Situation
Share and explore
specialized information
spaces
Run document analysis
tools on the collection
of documents
Clustering by
comparing place
names with extracted
noun-phrases
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GeoWorlds
From a Document-Oriented to a
Geographic View of the Situation
Extract and plot
geographic locations
referenced in the
document set
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GeoWorlds
Sharp Cabrillo Hospital
Harbor View Medical Center
Naval Hospital, Balboa Park
Sharp Coronado Hospital
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GeoWorlds
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GeoWorlds
Coronado Middle School
Point Loma High School
Harbor View Medical Center
Sharp Coronado Hospital
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GeoWorlds
Key Capabilities
– Configurable system through registry of components
– Rapid creation of customized repositories of maps,
images and documents from multiple sources
– Bi-directional flow between document-oriented and
geographic views of the situation
– Shared operations between teams through a
collaborative environment
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GeoWorlds
Collaborative Sessions of
Spatially Distributed Teams
Emergency Medical Services Team
EMS Session
Collaboration on tasks
GeoWorlds Client
Clipbook Servers
Same-time
collaborations
via liveboarded
applications
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Asynch.
collaboration
via shared
information
spaces
Transportation Team
Transportation Session
GeoWorlds Client
GeoWorlds Session
Collaboration on topics
GeoWorlds Server
GeoWorlds
Collaboration: DASHER Document
Analysis Liveboarded via Habanero
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GeoWorlds
Asynchronous
Collaboration in
DASHER
SOM Maps and other tools offer alternative
clusterings of documents, help in understanding
relationships between docs
Geographic document clusters
(obtained by comparing gazeteer data and extracted
noun-phrases)
Document analysis tools for
building and organizing
document collections
Tools for sharing
collected
information
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Create, explore and share specialized informationGeoWorlds
spaces
Summary: Tools for Situation
Understanding and Management
 Rapid creation of customized repositories of maps,
images and documents from multiple spatially
distributed sources
 Bi-directional flow between geographic and
document-oriented information spaces
 Active services: Analytical tools for collections of
documents and modeling of physical processes
 Synchronous and asynchronous collaboration over
finding, filtering and organizing information
 Configurable system: service registration, API’s for
component classes
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GeoWorlds
Acknowledgements
 Other Organizations Collaborating in the Project
–
–
–
–
–
–
–
–
–
UC Santa Barbara Alexandria Digital Library project
USC Geography Department
UC Berkeley Digital Library Initiative on Multi-Valent Documents
University of Arizona Artificial Intelligence Laboratory
University of Illinois at Urbana-Champaign Digital Library program
and the National Center for Supercomputing Applications
GTE/BBN
MITRE
SPAWAR Systems Center
US Pacific Command Crisis Operations Planning Team
 Support
– DARPA under Fort Huachuca Contract No. DABT63-95-C-0101.
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GeoWorlds