USF Department of Computer Science Peer-to-Peer Knowledge Sharing David Wolber

USF Department of Computer Science That title is too much daddy!

USF Department of Computer Science Associative Thinking Assistant

USF Department of Computer Science Motivation Desktop is outdated Digital libraries abound, but no tools (INFORMATION OVERLOAD) Avoiding a Googleopoly Peer-to-peer need not be just file transfer.

USF Department of Computer Science 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 BookMark File ManagerHyper-Links Manager WebSphinx (Miller, Bharat)

USF Department of Computer Science Desktop tools are outdated Filing cabinet metaphor no longer fits Unnecessary barrier between local system and web Computer is a communication tool, a node in the knowledge base of the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 Desktop is about documents. Where are the people?

USF Department of Computer Science Motivation Desktop is outdated Digital libraries abound, but no tools (INFORMATION OVERLOAD) Avoiding a Googleopoly Peer-to-peer need not be just file transfer.

USF Department of Computer Science 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

USF Department of Computer Science CiteSeer:

USF Department of Computer Science ACM

USF Department of Computer Science Internet Archive, Wayback

USF Department of Computer Science They all provide similar functionality, but…

USF Department of Computer Science Motivation Desktop is outdated Digital libraries abound, but no tools (INFORMATION OVERLOAD) Avoiding a Googleopoly Peer-to-peer need not be just file transfer.

USF Department of Computer Science Media Conglomeration FCC lessening anti- trust laws How many of us go through Google to get our information. Can we trust Google to stay “good”? Knowledge

USF Department of Computer Science Motivation Desktop is outdated Digital libraries abound, but no tools (INFORMATION OVERLOAD) Avoiding a Googleopoly Peer-to-peer need not be just file transfer.

USF Department of Computer Science Our Virtual Brains are modeled after our real ones

USF Department of Computer Science Research Tasks Communication Blog IM Web page Knowledge Creation Bookmark Create note/doc Put in folder Add link

USF Department of Computer Science 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

USF Department of Computer Science Personal Metadata Cassini server PW Service WebTop Client Personal Computer 1 File System Personal Metadata Cassini server PW Service WebTop Client Personal Computer 2 File System Assoc Source UDDI Registry WTGoogle WTTechnorati

USF Department of Computer Science WebTop Client

USF Department of Computer Science 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 Recommend While you Work

USF Department of Computer Science Associations Outward Links (hyperlinks) Inward Links Similar Content Links Collaborative filtering Links

USF Department of Computer Science 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 Inward LinksWorking DocumentOutward Links Content-Similar

USF Department of Computer Science IOC Tree I --- C – O --I Working Document

USF Department of Computer Science 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 Web Service Wrappers Wrappers implement one or more of the Associative Source API methods WebTop Client WTGoogle Assoc Service Google Web Service USFGoogle

USF Department of Computer Science Personal Web Sources 2 nd Degree 1 st Degree Nth Degree Personal Web Personal web 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,bookmarks, linked docs. N-degree Neighborhood– can be reached with n clicks.

USF Department of Computer Science Connecting Personal Webs People create knowledge-- bookmarking, annotating, linking, synthesizing-- every day. Much of it is never communicated

USF Department of Computer Science You can be a Search Engine Open Source Budapest Open Access Initiative OPEN PC Initiative

USF Department of Computer Science Technical Aspect 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 Zero-Input Publishing User specifies private/public folders once –Public default? Bookmarking, links, document creation all immediately available No explicit effort necessary to share

USF Department of Computer Science Scenarios for Sharing Search within the boomarks/links/papers of an expert or group of experts Collaborative work Within the Enterprise

USF Department of Computer Science On-Going Work Automated source discovery Alternative page ranking –Source reputation measures –In-links from groups of people, e.g., CS Professors Persons as first-class objects Semantic Web

USF Department of Computer Science How can you get involved?

USF Department of Computer Science Any Questions?

USF Department of Computer Science WIKIs

USF Department of Computer Science Lawrence Lessig’s Blog blog/

USF Department of Computer Science 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 Services Web services allow clients to aggregate information from various sources, process, then display in a custom fashion. More robust than scraping web pages client source GUI

USF Department of Computer Science XML/Soap Web Services XML/Soap WSDL UDDI

USF Department of Computer Science 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