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Peer-to-Peer Knowledge Sharing. David Wolber. Associative Thinking Assistant. Motivation. Desktop is outdated Digital libraries abound, but no tools (INFORMATION OVERLOAD) Avoiding a Googleopoly Peer-to-peer is a great new model, but sharing knowledge is hard. Sneak Preview.

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peer to peer knowledge sharing

Peer-to-Peer Knowledge Sharing

David Wolber

USF Department of Computer Science

associative thinking assistant
Associative Thinking Assistant

USF Department of Computer Science

motivation
Motivation
  • Desktop is outdated
  • Digital libraries abound, but no tools

(INFORMATION OVERLOAD)

  • Avoiding a Googleopoly
  • Peer-to-peer is a great new model, but sharing knowledge is hard.

USF Department of Computer Science

sneak preview
Sneak Preview
  • Develop webtop, not desktop tools
  • A common search API and registry
  • Zero-input publishing
  • Open PC Movement

USF Department of Computer Science

today s desktop
Today’s Desktop

BookMark File Manager Hyper-LinksManager

WebSphinx (Miller, Bharat)

USF Department of Computer Science

desktop tools are outdated
Desktop tools are outdated
  • Filing cabinet metaphor no longer fits
  • Unnecessary barrier between local system and web
  • Computer is a communication tool, a node in the knowledge base of the world

USF Department of Computer Science

i see the documents where are the people
I see the documentsWhere are the people?

USF Department of Computer Science

motivation9
Motivation
  • Desktop is outdated
  • Digital libraries abound, but no tools

(INFORMATION OVERLOAD)

  • Avoiding a Googleopoly
  • Peer-to-peer is a great new model, but sharing knowledge is hard.

USF Department of Computer Science

information sources
Information Sources
  • Google, Amazon, etc.
  • History: Way-back machine
  • Technorati– The World Live Web
  • Domain Specific:
    • ACM Digital Library
    • Citeseer
    • MLA for literature

USF Department of Computer Science

www technorati com
www.technorati.com

USF Department of Computer Science

citeseer http citeseer ist psu edu
CiteSeer: http://citeseer.ist.psu.edu/

USF Department of Computer Science

slide13
ACM

USF Department of Computer Science

internet archive wayback
Internet Archive, Wayback

USF Department of Computer Science

they all provide similar functionality but
They all provide similar functionality, but…

USF Department of Computer Science

motivation16
Motivation
  • Desktop is outdated
  • Digital libraries abound, but no tools

(INFORMATION OVERLOAD)

  • Avoiding a Googleopoly
  • Peer-to-peer is a great new model, but sharing knowledge is hard.

USF Department of Computer Science

media conglomeration
Media Conglomeration
  • FCC lessening anti-trust laws
  • Most media now owned by a handful of companies
  • How many of us go through Google to get our information.
  • Can we trust Google to stay “good”?

USF Department of Computer Science

motivation18
Motivation
  • Desktop is outdated
  • Digital libraries abound, but no tools

(INFORMATION OVERLOAD)

  • Avoiding a Googleopoly
  • Peer-to-peer is a great new model, but sharing knowledge is hard.

USF Department of Computer Science

our virtual brains are modeled after our real ones
Our Virtual Brains are modeled after our real ones

USF Department of Computer Science

research tasks
Research Tasks

Communication

Email

Blog

IM

Web page

  • Knowledge Creation
    • Bookmark
    • Create note/doc
    • Put in folder
    • Add link

USF Department of Computer Science

the big question
The Big Question

How much of the information hidden

within your personal web is hidden due

to privacy concerns?

USF Department of Computer Science

associative thinking agent

Source list

Associative Thinking Agent

USF Department of Computer Science

slide23

Personal Computer 1

File System

Assoc Source

UDDI Registry

Personal Metadata

WebTop

Client

Cassini server

PW Service

WTGoogle

WTTechnorati

Personal Computer 2

WebTop

Client

Cassini server

PW Service

Personal Metadata

File System

USF Department of Computer Science

webtop client
WebTop Client
  • Tree View of results
  • Information processing on node expansion
  • Choose from dynamic list of sources
  • N-Degree Heterogeneous Associations

USF Department of Computer Science

associations
Associations
  • Outward Links (hyperlinks)
  • Inward Links
  • Similar Content Links
  • Collaborative filtering Links

USF Department of Computer Science

more associations
More Associations
  • General Research: AuthorOf, collaborator, co-cited, home page of,…
  • Domain-Specific
    • Films: Acted in, Directed
    • Campaigns: Gave money to

USF Department of Computer Science

separate association types
Separate Association Types

Inward Links

Browser

Outward Links

Content-Similar

USF Department of Computer Science

ioc tree
IOC Tree

IOC Tree

I --- C – O --I

Browser

USF Department of Computer Science

associative source api and registry
Associative Source API and Registry
  • A common search/link info API
  • A central UDDI registry
  • Allows for meta-search clients with dynamic lists of sources.

Clients can access even those sources created after the client itself.

USF Department of Computer Science

organizational sources
Organizational Sources
  • Web Service Wrappers
  • Wrappers implement one or more of the Associative Source API methods

Google Web Service

WebTop Client

WTGoogleAssoc Service

USF

Google

USF Department of Computer Science

scenarios
Scenarios
  • Search within the boomarks/links/papers of an expert
  • When open one of your own papers, see newly created documents that cite it, that have similar content
  • Easily navigate paper-author trail

USF Department of Computer Science

the personal web

Nth Degree

2nd Degree

1st Degree

PersonalWeb

The Personal Web

Personal Space consists of highly interrelated files, i.e.

a personal web

The Web should be personalized to each user, i.e., a personal web.

Personal Web-- local documents and “bookmarks”

N-degree Neighborhood– can be reached with n clicks.

USF Department of Computer Science

you can be a search engine
You can be a Search Engine
  • Personal Web Analyzer
    • In/out links between documents
    • Full-text index
    • Characteristic words
    • Person/proper names in document
  • Access between personal webs
    • Automatically installed mini-server
    • Auto-registration of web service

USF Department of Computer Science

connecting personal webs
Connecting Personal Webs

People create knowledge-- bookmarking, annotating, linking, synthesizing-- every day.

Much of it is never communicated

USF Department of Computer Science

future work
Future Work
  • Automated source discovery
  • Alternative page ranking
    • Source reputation measures
    • In-links from groups of people, e.g.,

CS Professors

USF Department of Computer Science

get involved
Get Involved

USF Department of Computer Science

wikis
WIKIs

USF Department of Computer Science

lawrence lessig s blog
Lawrence Lessig’s Blog
  • http://www.lessig.org/blog/

USF Department of Computer Science

web services
Web Services
  • Programmatic interface to web data
  • Software agent access to data
  • Helps separate View/Model
  • More robust than “web scrapers”
  • XML/Soap
  • Rest-ful Interfaces

USF Department of Computer Science

web services40
Web Services
  • Web services allow clients to aggregate information from various sources, process, then display in a custom fashion.
  • More robust than scraping web pages

source

GUI

client

source

USF Department of Computer Science

xml soap web services
XML/Soap Web Services
  • XML/Soap
  • WSDL
  • UDDI

USF Department of Computer Science

know more about yourself
Know more about yourself

Analysis of file system

  • Linking between documents
  • inward links
  • characteristic words of documents
  • what people are referred to
  • what web pages

USF Department of Computer Science

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