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Verification of effectiveness of special sentence structure of Google.

The usage is decided by inspecting a result. Therefore I really tried a method that is expected as effective.

Verification numberVerification method ResultsConclusion
1inurl:yahoo

I search by the above.
The hit number is about 1,120,000,000.
[Contents of search results]
Yahoo! JAPAN
Yahoo! Auction
Yahoo! Route information
Yahoo! Weather information
The following contents are assumed to be a conclusion from the verification number 1-11.

"-" and "/" and "." and ".." and "--" and "//" and "''''" and "@@" are treated as same delimiter.

Search object of "inurl:" is the following objects. Domain part. File path.  It is form information because it is the back of the sign of ".do?".  In other words, all content of the column displaying a URL become subject of search.

In the range of the investigation, next things can say.  "inurl:" classifies character by alphabet and other characters.

Characters other than alphabet are recognized as characters that delimit alphabet.  The relations, of designated character string by "inurl:" and the character string of the URL bar of search results, are as follows.  Specified alphabets and the order correspond completely.  The designated alphabets must not lack in the URL bar.  Delimitation of alphabet by delimiter correspond completely.  Contents which do not meet those conditions are not output as search results.  But the substitution of the delimiter mentioned above is possible.  In other words, it is outputted as search results even if the delimiter does not match.

The character string designated by "inurl:" is considered to have a delimiter at the both ends.  Therefore, Yahoo is not outputted as search results even if we search by "inurl:yahoo.co.j".

2inurl:yahoo.c

I search by the above.
The hit number is about 151,000.
[Contents of search results]
/yahoo.c
.yahoo.c(It is not domain part. File path name.)
.yahoo.c'(It is not domain part. File path name.)
.yahoo.c/(It is not domain part. File path name.)
@yahoo.c
-yahoo-c.html
-yahoo-c-
-yahoo-c
3 inurl:yahoo.co

I search by the above.
The hit number is about 596,000,000.
[Contents of search results]
Yahoo! JAPAN
Yahoo! Kids
4 inurl:yahoo.co.j

I search by the above.
The hit number is about 516.
[Contents of search results]
.yahoo.co.j...
-yahoo-co-j/
-yahoo-co-j
=yahoo.co.j&
@yahoo.co.j/
@yahoo.co.j
.yahoo.co.j.html
%40yahoo.co.j
5 inurl:-yahoo-co-j

I search by the above.
The hit number is about 516.
[Contents of search results]
topic/www.yahoo.co.j(It is not domain part. File path name.)
-yahoo-co-j/
-yahoo-co-j&(It is after the sign of ".do?".
/yahoo.co.j-(It is not domain part. File path name.)
6 inurl:yahoo.co.jp

I search by the above.
The hit number is about 2,430,000,000.
[Contents of search results]
Yahoo! JAPAN
Yahoo! Auction
Yahoo! Route information
7 inurl:/yahoo-co-j

I search by the above.
[Contents of search results]
-yahoo-co-j/(It is not domain part. File path name.)
8 inurl://yahoo..co--j

I search by the above.
The hit number is about 516.
Search results same as "inurl:yahoo.co.j".
9 inurl://yahoo@@co--j

I search by the above.
The hit number is about 516.
Search results same as "inurl:yahoo.co.j".
10 inurl:yahoo.co''''j

I search by the above.
The hit number is about 516.
Search results same as "inurl:yahoo.co.j".
11 inurl:yahoo/co/j

I search by the above.
Search results same as "inurl:yahoo.co.j".
12link:http://www.666-666.jp/
product_list.html?
m_product_category_id=6
&mode=search_top&pageID=1

I search by the above.
The hit number is about 4. The following contents are assumed to be a conclusion from the verification number 12-13.

Condition 1 : In the case of sentence structure of "link:".
Condition 2 : The URL (domain and file path name) of two sentence structures is the same.
Condition 3 : Form information below "?" is different.

When condition 1-3 are met, it is recognized as different information. Therefore handlings are different.
13 link:http://www.666-666.jp/product_list.html

I search by the above.
Your search - link:http://www.666-666.jp/product_list.html - did not match any documents.

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