S EARCH AND S EMANTIC S EARCH Indian Institute of Technology Kanpur - PowerPoint PPT Presentation

Jul 29, 2023 •410 likes •516 views

S EARCH AND S EMANTIC S EARCH Indian Institute of Technology Kanpur Commonwealth of Learning Vancouver MOOC on M4D 2013 T.V. Prabhakar IIT Kanpur MOOC on M4D 2013 Search Engines Do not search the web in real time Searche an index of

S EARCH AND S EMANTIC S EARCH Indian Institute of Technology Kanpur Commonwealth of Learning Vancouver MOOC on M4D 2013
T.V. Prabhakar IIT Kanpur MOOC on M4D 2013
Search Engines • Do not search the web in real time • Searche an index of the web • Created by crawling with spiders • Searches the documents for the occurrence of the “search string” - substring search • After retrieving the documents does ranking • Ranking is critical and complex – Google uses 200+ factors for ranking MOOC on M4D 2013
Google Webmasters Tools • How search works https://youtu.be/BNHR6IQJGZs • More detailed https://youtu.be/KyCYyoGusqs MOOC on M4D 2013
But Holstein Jersey
How do we do this? • The system needs to know that Holstein is a breed of cow and Jersey is another breed Cow Breeds MOOC on M4D 2013
Pigeonpea domain model
We call these • Knowledge Models • Useful in – Semantic Search – Related Documents – Inference – Teaching – .. MOOC on M4D 2013
THANK YOU MOOC on M4D 2013

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