© 2005 knowledge integration ltd PNDS Content Inclusion - Technical Aspects Ian Ibbotson Knowledge Integration ltd
© 2005 knowledge integration ltd PNS Software : What is it? Location Agnostic –Gateway doesn't know remote from local Remote Search -Z39.50/SRW/Other –Volatile Records, Control over QOS, presentation, content (Privacy), Volatile Collections, Speed/Hardware/security Aggregate Content (OAI, Web Harvest...) –Stable collections, Indexing Consistency & availability, speed.
© 2005 knowledge integration ltd Initial Levels of Integration Preferred choice for PN : OAI –Content not volatile –Speed/Availability vs Hardware tradeoff –Collections not Volatile (Just expanding) –Ease of implementation / Integration –Provider Hardware Requirements –Indexing Consistency (Spatial etc)
© 2005 knowledge integration ltd How does it work? What is OAI (In terms of PN-Discovery) PN- DS Data Provider Describe Yourself (Schemas, etc) Info Whats new since I last checked? Here are the first 10, continue by asking for X Next records from X please Here are the final records for today
© 2005 knowledge integration ltd PNS-DS Network PNS - Repository OAI - Cultural OAI - CI OAI - Reference OAI - Other Search-Only - Bib Search Only - CI e-Govt – Web Crawl eLearning - search OAI OAIOAI OAIOAI SQI Z3950Z3950 PNS - Discovery Z3950 Local Robot httphttp Submit
© 2005 knowledge integration ltd Providing OAI Repository for your project Write From Scratch – –Toolkits –OCLC (java) : –Uni. Illinois (Java (jsp),.Net(asp), VB, etc, etc.) –Static Gateway
© 2005 knowledge integration ltd Next Steps Service Registry –Profiling –Gather and Prepare Data –Populate Registry –Configure PN-DS –Interoperability Testing / Confirmation –Operation