Working of SEARCH ENGINE?
SEARCH ENGINE HAVING 3 COMPONENTS ARE:-
1. WEB CRAWLER
2. DATABASE
3. SEARCH INTERFACE.
WEB CRAWLER , DATABASE AND SEARCH INTERFACE ARE THE MAJOR COMPONENT OF SEARCH ENGINE THAT ACTUALLY MAKE SEARCH ENGINE TO WORK.SEARCH ENGINE MAKE USE OF BOOLEAN EXPRESSION AND,OR,NOT TO RESTRICT IN WIDER THE RESULT OF A SEARCH FOLLOWINGS ARE THE STEPS THAT ARE PERFORMED BY SEARCH ENGINE.
1.THE SEARCH ENGINE LOOKS FOR THE KEYWORDS IN THE INDEX OF PREDEFINE DATABASE INSTEAD OF GOING DIRECTLY TO THE WEB TO SEARCH FOR THE KEYWORD.
2. IN THEN USE SOFTWARE TO SEARCH FOR THE INTERFACE IN THE DATABASE. THIS SOFTWARE COMPONENT IS KNOWN AS WEB CRAWLER.
3. ONCE WEB CRAWLER ,FIND THE PAGES,THE SEARCH ENGINE SHOWS THE RELAVENT WEB PAGES AS A RESULT.THIS RETRIVED WEB PAGES GENRALLY INCLUDE TITTLE OF PAGE,SIZE OF TEXT POSITION/PORTION.
a.) SEARCH THE SENTENCE
b.) SEARCH THE WORD
c.) SEARCH THE CHARACTER
SEARCH ENGINE PROCESSING
1.) INDEXING PROCESSING :-
INDEXING PROCESS COMPRISES OF THE 3 FOLLOWING TASK:-
a. TEXT ACQUISATION:-
IT IDENTIFIES AND STORES DOCUMENTS FOR INDEXING.
b.TEXT TRANSFORMING:
IT TRANSFORM DOCUMENT INTO INDEX TERM FOR FUTURES.
c. INDEX CREATION:-
IT TAKES INDEX TERM CREATED BY TEXT TRANSFORMATION AND CREATE DATA STRUCTURE TO SUPPORT FAST ACCESSING.
2. QUERY PROCESSING:-
IT TAKES INDEX TERM CREATED BY TEXT TRANSFORMATION AND CREATE DATA STRUCTURE TO SUPPORT FAST ACCESSING.
a) USER INTERACTION:
IT SUPPORT CREATION AND REFINEMENT OF USER QUERY AND DISPLAY THE RESULTS.
b) RANKING:-
IT USE QUERY AND INDEXES TO CREATE RANK LIST OF DOCUMENT.
c) REALUTION:-
IT MONITOR AND MEASURES THE EFFECTIVENESS AND EFFICIENCY.IT IS DONE OFFLINE.
THIS IS ALL ABOUT THE WORKING /PROCESSING OF SEARCH ENGINE......
THANKS FOR VISIT AND I HOPE YOU LEARN MORE ABOUT SEARCH ENGINE.
FOLLOW ME ON FACEBOOK :https://www.facebook.com/programingHub/
FOLLOW ON YOUTUBE:-https://www.youtube.com/channel/UCEc8QIruzc5gcrhBiq8hj6g
SEARCH ENGINE HAVING 3 COMPONENTS ARE:-
1. WEB CRAWLER
2. DATABASE
3. SEARCH INTERFACE.
WEB CRAWLER , DATABASE AND SEARCH INTERFACE ARE THE MAJOR COMPONENT OF SEARCH ENGINE THAT ACTUALLY MAKE SEARCH ENGINE TO WORK.SEARCH ENGINE MAKE USE OF BOOLEAN EXPRESSION AND,OR,NOT TO RESTRICT IN WIDER THE RESULT OF A SEARCH FOLLOWINGS ARE THE STEPS THAT ARE PERFORMED BY SEARCH ENGINE.
1.THE SEARCH ENGINE LOOKS FOR THE KEYWORDS IN THE INDEX OF PREDEFINE DATABASE INSTEAD OF GOING DIRECTLY TO THE WEB TO SEARCH FOR THE KEYWORD.
2. IN THEN USE SOFTWARE TO SEARCH FOR THE INTERFACE IN THE DATABASE. THIS SOFTWARE COMPONENT IS KNOWN AS WEB CRAWLER.
3. ONCE WEB CRAWLER ,FIND THE PAGES,THE SEARCH ENGINE SHOWS THE RELAVENT WEB PAGES AS A RESULT.THIS RETRIVED WEB PAGES GENRALLY INCLUDE TITTLE OF PAGE,SIZE OF TEXT POSITION/PORTION.
a.) SEARCH THE SENTENCE
b.) SEARCH THE WORD
c.) SEARCH THE CHARACTER
SEARCH ENGINE PROCESSING
1.) INDEXING PROCESSING :-
INDEXING PROCESS COMPRISES OF THE 3 FOLLOWING TASK:-
a. TEXT ACQUISATION:-
IT IDENTIFIES AND STORES DOCUMENTS FOR INDEXING.
b.TEXT TRANSFORMING:
IT TRANSFORM DOCUMENT INTO INDEX TERM FOR FUTURES.
c. INDEX CREATION:-
IT TAKES INDEX TERM CREATED BY TEXT TRANSFORMATION AND CREATE DATA STRUCTURE TO SUPPORT FAST ACCESSING.
2. QUERY PROCESSING:-
IT TAKES INDEX TERM CREATED BY TEXT TRANSFORMATION AND CREATE DATA STRUCTURE TO SUPPORT FAST ACCESSING.
a) USER INTERACTION:
IT SUPPORT CREATION AND REFINEMENT OF USER QUERY AND DISPLAY THE RESULTS.
b) RANKING:-
IT USE QUERY AND INDEXES TO CREATE RANK LIST OF DOCUMENT.
c) REALUTION:-
IT MONITOR AND MEASURES THE EFFECTIVENESS AND EFFICIENCY.IT IS DONE OFFLINE.
THIS IS ALL ABOUT THE WORKING /PROCESSING OF SEARCH ENGINE......
THANKS FOR VISIT AND I HOPE YOU LEARN MORE ABOUT SEARCH ENGINE.
FOLLOW ME ON FACEBOOK :https://www.facebook.com/programingHub/
FOLLOW ON YOUTUBE:-https://www.youtube.com/channel/UCEc8QIruzc5gcrhBiq8hj6g
We you have any doubt let me know :)