expert search for elegi legacy
TRANSCRIPT
Expert Search for Learners & EducatorsBeyond “BuddyFinder”
Marc Eisenstadt & Jianhan ZhuKnowledge Media Institute
The Open UniversityJune 2007
Expert Search
• Returns people rather than documents• Winner TREC2006 competition against 23
rivals!• Assesses document structure, key terms,
identities, ‘best distances’• Massively scaleable for millions of documents• Ideal for enterprise/intranet search• Also works for ‘The Web’ if we can ‘delimit the
universe’ somehow beforehand
Universe of “Famous Chemists”
Universe of “Famous Chemists”
Results with ‘supporting evidence’
Results with ‘supporting evidence’
Clicking on green bullet will open MSG Client in a new window
Clicking on green bullet will open MSG Client in a new window
IF anyone is online, clicking on green bullet will open MSG chat
IF anyone is online, clicking on green bullet will open MSG chat
Other ‘universes’ too!How do we build these?Other ‘universes’ too!
How do we build these?
Get a set of names from anywhere (National Academy of
Scienes, etc.)
Get a set of names from anywhere (National Academy of
Scienes, etc.)
Upload the namesUpload the names
Typical spreadsheet inputTypical spreadsheet input
First we determine the domainFirst we determine the domain
Now we find some URLsNow we find some URLs
We ‘guess’ 20 URLs per nameWe ‘guess’ 20 URLs per name
Then we get ready to analyse each URL
Then we get ready to analyse each URL
This will create a custom Expert Search tool for our domain
This will create a custom Expert Search tool for our domain
Acknowledgements
Expert Search architecture: Jianhan ZhuGoogle API and BuddyFinder integration: Chris DenhamGraphics and site: Harriett Cornish, Damian DadswellProject principal investigator: Marc Eisenstadt
Expert Search is partly supported by the European Community under the Information Society Technologies (IST) programme of the 6th Framework Programme for RTD - project ELeGI, contract IST-002205. This software and its documentation do not represent the opinion of the European Community, and the European Community is not responsible for any use that might be made of the data and tools appearing herein.
http://expertsearch.open.ac.uk/elegi