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Reconnaissance Agents

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Reconnaissance Agents Henry Lieberman MIT Media Lab Home Page Software Agents End-User Programming Common Sense Library Assistant Analogy Reconnaissance Agent ... – PowerPoint PPT presentation

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Title: Reconnaissance Agents


1
Reconnaissance Agents
2
Henry Lieberman
  • MIT Media Lab
  • Home Page
  • Software Agents
  • End-User Programming
  • Common Sense

3
Library Assistant Analogy
4
Reconnaissance Agent
Information Sources
Desktop History Bookmarks Usage
suggestions
User Profile
Open Documents
5
Integrate information retrieval in desktop
applications
  • As user writes, browses, creates
  • Zero-input interface
  • No context switch to search
  • Impromptu information discovery

6
Letizia
  • Local Reconnaissance
  • As user looks at document, use idle time to crawl
    and choose best link
  • Link not just one degree away the neighborhood
    of the page
  • Letizia Demo (film clip)

7
Powerscout
  • Global Reconnaissance
  • Semantic Neighborhood of page
  • Concept Browsing
  • the idea of browsing links not specified by a
    document's author, but nonetheless semantically
    relevant to the document being viewed. This
    auxiliary set of links... might not even have
    existed when the page was created

8
Powerscout Profiles
  • Each of us wears different hats during the day.
    Hat Profile.
  • Profile is a set of ordered terms along with a
    notebook pages, notes, searches.
  • One profile is the current profile
  • user can Add page to profile

9
Powerscout Process
  • Using terms from page and current profile, send
    complex query to search engine.
  • If few results, relax constraints and send less
    keywords.
  • and/or combinations
  • User can view what the system is doing and edit.

10
Similar Systems
  • Margin Notes
  • Breaks document down into sections
  • Sends separate queries for each section, listing
    results in margins.
  • Also considered desktop. Rhodes coined term
    remembrance agent.
  • Watson

Bradley Rhodes
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