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Chapter1-The Birth of Chapter1-The Birth of GGoooogg ll ee
Department of Digital Contents, Sejong University
Google History
Search Engine Evolution
Uesr convenience
Expand Hardware
Page Ranking
Page Ranking
2
1
10
8
6
1
1
1
1
1
33
5
2
5
44
Search Engine Structure
User InternetSearchServer
SearchBack-endIndex
Search Engine
Search System Structure
Crawling Indexing Querying
Crawling
Crawling is the process used by search engines to
collect pages from the Web (URL, Contents)
Internet
Crawler
Crawler
Crawler
Crawling
RepositoryIndex
Index Creation Index is a data structure that improves the speed of
operations on a database table
# Index schema
Index Creation
Index Creation
Seach Server
User
Search
입학
Search server
Index
TThhaannk k yyoouu
