WEBTOPWEBTOPMeta Search and P2P Knowledge SharingMeta Search and P2P Knowledge Sharing

Kenn Min ChongKenn Min Chong

Pooja GargPooja Garg

Sponsored By:Sponsored By:

David Wolber And Chris BrooksDavid Wolber And Chris Brooks

What is webtop?

WEBTOP

Search Systems TodaySearch Systems Today

Webtop OverviewWebtop Overview

Web Services and Common Search APIWeb Services and Common Search API

Personal Digital Libraries and Peer to PeerPersonal Digital Libraries and Peer to Peer

DemoDemo

SummarySummary

Overview

Search Systems Today

Un-integrated Search Systems

Fixed List of Information Sources

No Document Asssociations

Un-integrated Search Engines

Search Systems Today

Un-integrated Search Systems

Fixed List of Sources

No Document Asssociations

Other meta search systems

Search Systems Today

Un-integrated Search Systems

Fixed List of Sources

No Document Associations

Associations In Documents

• Outward Links

• Content Links

• Inward Links

Content Links

Inward Links

Webtop Features

Keyword Search on Different Information Sources

Associations in Webtop

Dynamic List Of Sources

Webtop queries the UDDI for information sources

Personal Digital Libraries External Digital Libraries

How to contact these information sources?

Ways to get information from digital sources

• Scrapers

• Web Services

Remote procedure calls between computers.

Unlike previous RPC models (CORBA, RMI), data is formatted with XML tags and exchanged over HTTP.

Encoding of data is by using XML/SOAP (Simple Object Access Protocol)

UDDI (Universal Description, Discovery and Integration)-Yellow pages for web services

Common Search API

•doKeywordSearch()

• getInwardLinks()

• getOutwardLinks()

• getIconForSource()

• getFileFromPersonalSource()

Register Web Service For Webtop

Dynamic List of Sources

Personal Digital Libraries

Why are we interested in personal digital libraries?

Experts Collaborative Work

How to make this task easy?

• Write code for the user to become a web service.

• Deploy a light weight server on the users machine to broadcast this information

Navigating through Personal digital libraries

Online/Offline Sources

Dynamic IP Addresses?

Computer on Stand By or Hibernation?

People outside a firewall?

Demo

Summary

Meta Search System

Query multiple systems and get information from a dynamic list of sources.

P2P Knowledge Sharing

Share links and documents with colleagues.

Multiple Association types

Navigate through various types of associations.

Zero Input Publishing

Knowledge sharing made easy.

Seamless Navigation

From your personal web to the WWW to the personal web of other users

Links

You can download our windows client from:

http://webtop.cs.usfca.edu

To register a information source, visit:

http://webtop.cs.usfca.edu/CustomUDDI.aspx

To see a web version of the client:

http://webtop.cs.usfca.edu/WebTopClient.aspx

Thanks

David Wolber and Chris Brooks

Terence Parr

Past Contributors:

Iman Sadraddein

Rudd Stevens

Colin Bean

Tim Chan

Juliana Chan

Senior Team Class ‘03

Igor Ranitovic

Michael Kepe