Slide 1 1 Searching the Web Junghoo Cho UCLA Computer Science Slide 2 2 Legacy database Plain text files Biblio sever Information Galore Slide 3 3 Information Overload Problem…

Slide 1 Synchronizing a Database To Improve Freshness Junghoo Cho Hector Garcia-Molina Stanford University Slide 2 2 Application –Web search engines/crawlers –Data warehouse...…

Slide 1 1 How to Crawl the Web Looksmart.com12/13/2002 Junghoo “John” Cho UCLA Slide 2 2 What is a Crawler? web init get next url get page extract urls initial urls to…

Slide 1 1 Crawling the Web Discovery and Maintenance of Large-Scale Web Data Junghoo Cho Stanford University Slide 2 2 What is a Crawler? web init get next url get page extract…

Slide 1 How to Crawl the Web Junghoo Cho Hector Garcia-Molina Stanford University Slide 2 2 What is a Crawler? web init get next url get page extract urls initial urls to…