visualizing information: using webtheme to visualize internet search results karen buxton and mary...
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![Page 1: Visualizing Information: Using WebTheme to Visualize Internet Search Results Karen Buxton and Mary Frances Lembo The Value of Information: American Society](https://reader036.vdocuments.mx/reader036/viewer/2022062511/5514ccda55034693478b4d6a/html5/thumbnails/1.jpg)
Visualizing Information: Visualizing Information: Using WebTheme to Visualize Using WebTheme to Visualize
Internet Search ResultsInternet Search Results
Karen Buxton and Mary Frances LemboKaren Buxton and Mary Frances Lembo
The Value of Information:The Value of Information:American Society for Information ScienceAmerican Society for Information Science
Pacific Northwest ChapterPacific Northwest ChapterFall MeetingFall Meeting
Sept. 20-21, 2002Sept. 20-21, 2002
Visualizing Information: Visualizing Information: Using WebTheme to Visualize Using WebTheme to Visualize
Internet Search ResultsInternet Search Results
Karen Buxton and Mary Frances LemboKaren Buxton and Mary Frances Lembo
The Value of Information:The Value of Information:American Society for Information ScienceAmerican Society for Information Science
Pacific Northwest ChapterPacific Northwest ChapterFall MeetingFall Meeting
Sept. 20-21, 2002Sept. 20-21, 2002
PNNL-SA-36456
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Presentation OverviewPresentation OverviewPresentation OverviewPresentation Overview
Brief Overview of Information Visualization
Introduction to WebTheme
Preparing a WebTheme Query
Exploring a Dataset
Question & Answer
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Information VisualizationInformation VisualizationInformation VisualizationInformation Visualization
What is an information visualization? Visual representation of data, which allows the user to navigate
through large datasets more quickly and gain additional insight about the data.
What types of data can be used? Text
Image Data
Numerical Data.
Etc.
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How Is Information Visualization Used?How Is Information Visualization Used?How Is Information Visualization Used?How Is Information Visualization Used?
Battlefield Awareness
Business Intelligence
Enterprise Knowledge
Management
Environmental Security
Intellectual Asset
Management
Intelligence Analysis
Law Enforcement
Market Assessment
Medical Informatics
Medical Research
Nuclear Non-Proliferation
Research Program Management
Science and Technology
Scanning
Translingual Text Analysis
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Information Visualization at PNNLInformation Visualization at PNNLInformation Visualization at PNNLInformation Visualization at PNNL
Analyzes large volumes of text
Displays related documents
and themes as star clusters
and terrain maps
SPIRE Related Technologies
WebTheme
Galaxies ThemeView Correlation Tool Starlight
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What is WebTheme?What is WebTheme?What is WebTheme?What is WebTheme?
Web-enabled version of SPIREHarvests data from the World Wide Web by using search terms,
or following links derived
from user specified URLs
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LicensingLicensingLicensingLicensing
Government Agencies (NOT Contractors) WebTheme use agreement available at no cost!
Installation and training agreement available for a fee
Non-Governmental Organizations
Negotiate a contract
Recommend installation and trainingagreement
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Why Use WebTheme?Why Use WebTheme?Why Use WebTheme?Why Use WebTheme?
Investigate and characterize websites
Investigate a new technology
Find key players in a particular field
Find opportunities for Collaboration
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Using WebThemeUsing WebThemeUsing WebThemeUsing WebTheme
Preparing a WebTheme Query
Planning a Query
Creating a Dataset
Exploring a Dataset
Using WebTheme Tools
Exploring a Galaxy
Exploring ThemeView
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Planning a WebTheme QueryPlanning a WebTheme QueryPlanning a WebTheme QueryPlanning a WebTheme Query
Decide How to Gather the Data
Experiment with Search Engine Queries Google Altavista
Examine Search Results Modify Query If Needed
Exploration of the Site or Links URL List
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WebThemeWebThemeWebThemeWebTheme
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Create a New Data SetCreate a New Data SetCreate a New Data SetCreate a New Data Set
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Create a Search Query or Create a Search Query or Follow a URL List?Follow a URL List?
Create a Search Query or Create a Search Query or Follow a URL List?Follow a URL List?
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Harvest SettingsHarvest SettingsHarvest SettingsHarvest Settings
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Advanced Options for HarvestingAdvanced Options for HarvestingAdvanced Options for HarvestingAdvanced Options for Harvesting
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FiltersFiltersFiltersFilters
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ProcessingProcessingProcessingProcessing
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Galaxies LayoutGalaxies LayoutGalaxies LayoutGalaxies Layout
White Dots = DocumentsLocation Has Meaning Proximity Distance
Degree of Thematic Concentration Topic Strength & Number of
Documents Galaxies Clouds =
ThemeView Mountains
Note Instructions at Bottom of Window
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WebTheme ToolbarWebTheme ToolbarWebTheme ToolbarWebTheme Toolbar
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Exploring GalaxiesExploring GalaxiesExploring GalaxiesExploring Galaxies
Cluster Centroids: Click on Centroid Circle to
See Cluster Terms
Thematic Labels Indicate Dominant Themes
in Clouds
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Viewing Document TitlesViewing Document TitlesViewing Document TitlesViewing Document TitlesSelect Click +S icon Drag Select to Choose a
Group of Documents
View Document Titles Click +Ab icon Click on dots to reveal
titles
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Viewing DocumentsViewing DocumentsViewing DocumentsViewing Documents
Document Viewer Search for Words in a DocumentView in Browser
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Link ModeLink ModeLink ModeLink Mode
Must Turn on Link Mode BEFORE Processing
Arrows Indicate Links from One Page to Another
Circle Indicates No Links from Page
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Probe ToolProbe ToolProbe ToolProbe Tool
To Use, Select the Probe Button (+P) Left Click to Probe
Region.
Shows a Graphical Representation of Topics at Designated Location Value Indicates
Relative Topic Strength
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Gisting ToolGisting Tool Gisting ToolGisting Tool
To Use Select Documents to
Gist Click the Gist Button
(% )
Shows Top 50 Topics in Selected Documents:Identify Terms of Interest
Copy Terms to Clipboard Window
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Query ToolQuery ToolQuery ToolQuery Tool
Word Query — Selects Documents that
Contain All Query Words
Click “Group Results” to create a set that contains search terms
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Query ToolQuery ToolQuery ToolQuery Tool
Query By Example Looks for text similar to
the example Determines Location of
Greatest Term Strength Use Slider to Increase
Number Selected
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Group ToolGroup ToolGroup ToolGroup Tool
Create subsets Retrieved from Query Selected in Galaxy
Dots Change Color to Reflect Group Membership
Combine SetsSelectDisjunctionIntersectionUnion
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ThemeViewThemeViewThemeViewThemeView
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When to ReprocessWhen to ReprocessWhen to ReprocessWhen to Reprocess
You Get Too Many Clusters that Are Too Similar Reduce Number of Clusters Requested
You Get Big Clusters with Too Many Unrelated Documents Increase Number of Clusters Requested
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Questions?
Mary Frances [email protected]
Karen Buxton [email protected]
BattelleU.S. Department of Energy
Pacific Northwest National Laboratory