Tuesday, July 26, 2011

Saturday, July 23, 2011

Inverted Index

Inverted Index Construction PPT
http://www.2shared.com/file/GvEvb0aa/Inverted_index.html
The Database diagram for simple search engine is a distributed   database consist of 28 schema 
and sample from real inverted index






Tuesday, July 19, 2011

Web search engine phases (phase one Web Crawling )

search engine phases and web crawling PPT


source code for web crawling in C#

Unstructured vs. structured

Structured data : information  in  fixed  schema  (database) it has data modeling  and regular data
unstructured data : refer to information does not  have data model  and  heavy text and irregular data