bisitz lon-capa-cvs-allow@mail.lon-capa.org
Wed, 30 Jul 2008 12:34:22 -0000

bisitz		Wed Jul 30 08:34:22 2008 EDT

Modified files:
Log:
Some optimizations to clarify even more how metadata works

--- loncom/html/adm/help/tex/Metadata_Description.tex:1.3	Tue Feb 15 09:10:58 2005
+++ loncom/html/adm/help/tex/Metadata_Description.tex	Wed Jul 30 08:34:22 2008
@@ -1,17 +1,23 @@

+Metadata can often be thought
of as a label on some bit of information that can be useful to people or
computer programs trying to use the data. Without metadata, the person or
computer trying to use the original information would have to guess
-what the original data is about. For example, if you create a problem and
+what the original data is about.
+
+When resources are published at least title, subject and keywords should be
+provided so that the resource could be found easily.
+
+For example, if you create a problem and
neglect to say in the title or subject of the problem what it is about, then
a human who wants to use that problem would have to read the problem itself
-to see what it was about, which is much more difficult than just reading
+to see what it was about. This is much more difficult than just reading
a title. A computer trying to do the same thing would be out of luck;
it is too stupid to understand the problem statement at all.

-One example of metadata is the <title> of a web page, which usually shows
+Another example of metadata is the <title> tag of a web page, which usually shows
up in the title bar of the browser. That is information about the web page
itself and is not actually part of the web page. People use the title information
when they bookmark a page. Search engines