Slide 1 Basic Physics Concepts Firas Mourtada, Ph.D. D. ABR Associate Professor MD Anderson Cancer Center Slide 2 Radioactive Decay dN/dt = - N dN/N = - dt N(t) = N 0 e -…

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…

Searching the Web Junghoo Cho UCLA Computer Science Information Galore Legacy database Plain text files Biblio sever Information Overload Problem Solution Indexing approach…

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