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Jim DeRoest Director Streaming Media Technologies. DigitalWell. History and Architecture ResearchChannel, UWTV, and KEXP development project Project initiated 8 years ago Exploit next generation cyber-infrastructure: High resolution, High Bandwidth objects - Deliver Realism
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Jim DeRoest Director Streaming Media Technologies
DigitalWell • History and Architecture • ResearchChannel, UWTV, and KEXP development project Project initiated 8 years ago • Exploit next generation cyber-infrastructure: High resolution, High Bandwidth objects - Deliver Realism • End 2 end: acquire, describe, manage, discover and deliver • Initial broadcast support focus • Later focus extended to include digital library functionality Campus-wide repository support – UW Catalyst partnership
DigitalWell • History and Architecture cont … • Format agnostic middleware application • Metadata-centric Ext Dublin Core/MPEG7 base support for custom attributes • .Net framework • Web Services 2.0 API Portal and tool development • Large populations Administrators, groups, collections, objects • Authentication/Access Controls Shibboleth – exploit InCommon federation
DigitalWell • History and Architecture cont … • Scalable-pluggable architecture • Storage abstraction Storage pools, tiered environments • Data Grid Enabled – SDSC Storage Resource Broker Participant site in WUNGrid Investigating migration from SRB to iRods Integrating GridShib and investigating VO services • Open source – I2 spring 2006
Media Servers Master Dub Transcoding Edit Suites Broadcast Services DB DigitalWell SRB Archive & Federation Services DigitalWell Environment DB
Other Digital Libraries UW SRB DigitalWell Access, Admin, Search, WSAPI MCAT Media Servers Metadata Map DB DigitalWell Network Data Grid Content Delivery Federated SRB Repositories Federated SRB Repositories Federated SRB Repositories Data Pipe DB SRB Servers Data Pipe Tiered Storage Preservation Services Federation Architecture
DigitalWell • Collection architecture and admin tool • Collection Topology Collection objects – Folders Folder objects – Assets Relations – Media Groups • Base metadata schema enforced 12 Attributes Advanced fields – custom discipline specific attributes
DigitalWell • Collection architecture and admin tool … • Per object or batch collection import Collection + XML metadata synchronization • Federated metadata mapping and synchronization Standard base + Discipline specific attributes Extension schemas MPEG7, PBCORE, IEEE LOM, AAF/XMF • Search Text search based on Lucene Transcripts and Caption support Investigating: Speech to text, phonetic, object tagging/recognition
DigitalWell:Collections • Sampling of Non-broadcast Collections • Microsoft Research Lecture Series • Health Sciences – Continuing Medical Education Series • School of Music – Ethnomusicology • College of Forestry – Sat Images Old Growth Forests • KDNA – Spanish Radio • DO-IT – Disabilities, Opportunities, Internetworking, and Technology • And more … +300,000 objects - docs, jpgs -> uncompressed HD
Use Case – DW Portals • UW Libraries, Digital Library Initiative • http://content.lib.washington.edu/smweb/ • UW Medicine, Continuing Medical Education & Telehealth • http://depts.washington.edu/cme/online/ • ResearchChannel • http://www.researchchannel.org/ • KEXP Radio 90.3FM • http://www.kexp.org/ • DO-IT • http://www.washington.edu/doit/
DigitalWell Communities … • Next Steps … YouTube-like portal for Research • Serve as a premier outlet for researchers to fulfill their public outreach requirements • Provide a collaborative platform to teams who could potentially be geographically dispersed • Foster interaction and communication between members of the public and researchers
Architecture • .Net platform • Social services – Community Server • Digital asset management/delivery services - DW • Federation grid services – iRods • Conferencing - iHD1500, ConferenceXP, AG • Grid portal interface – SOKU framework • Announce Fall ‘07 Internet2 meeting
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