CS 5244 Digital Libraries / Indexing and Classification

24 Aug 2004

CS 5244: Indexing / Classification

Hidden Web: Examples

>10,000

visa regulations

Library of Congress

…

U.S. Patents

PubMed

Database

16,741

wireless network

119

178,975

diabetes

Google

Matches

Query

PubMed search: [diabetes]

¢ 178,975 matches

PubMed is at http://www.ncbi.nlm.nih.gov/PubMed

Google search: [diabetes site:www.ncbi.nlm.nih.gov]

¢ 119 matches

- From Panos Iperiotis’ VLDB presentation