What are AGRICOLA’s metadata requirements?

All metadata must be “well-formed” and “validated” against an XML schema or DTD (Document Type Definition)

Well Formed XML has all metadata tags opened and closed in the proper order and has a declaration (DTD or XML schema) at the top of the file with the proper attributes.

The purpose of a DTD (Document Type Declaration) or XML Schema is to define the building blocks of an XML document with a list of elements and attributes.

How do I send metadata to NAL?

File Transfer Protocol (FTP) is a standard Internet protocol for transmitting files between computers on the Internet. Like the Hypertext Transfer Protocol (HTTP), which transfers displayable Web pages and related files, and the Simple Mail Transfer Protocol (SMTP), which transfers e-mail, FTP is an application protocol that uses the Internet's TCP/IP protocols. FTP is commonly used to transfer files from your computer to other servers.

FTP login utilizes a username and password for granting access to transfer files.

How are entity references coded (Symbols that need to be converted to codes)?

Some characters have a special meaning in XML.

If a “less than”( "<" ) character is placed inside an XML element,
it will generate an error because the metadata parser interprets it as
the start of a new element. It will generate an XML error:
<message>if salary < 1000 then</message>. To avoid this
error, replace the "<" character with an entity reference:
<message>if salary &lt; 1000 then </message>

What do I need to get started?

An XML Editor is used to create records.

If you have already have access to an XML editor please use it to create records

If not, there are a variety of open-source XML editors. Two noted below are:

A) Komodo Edit

B)  Microsoft XML Notepad 2007      

What metadata formats will be accepted?

Publishers have the option of submitting metadata in one of three formats noted below. The “preferred” format is MODS and should be used unless records have already been created records in one of the other two formats.  This format requires the least amount of preprocessing by NAL staff. Records in this format should appear more quickly in AGRICOLA than those in PubMed or JATS/NLM DTD.   Templates to be used to create records and examples of each format are attached below.

What is metadata?

Metadata is usually defined as “data about data”.

In terms of AGRICOLA, metadata is structured data that contains basic
citation information about each article (e.g. , article title,
abstract, journal title). The structured nature of metadata allows it
to be ingested, processed and displayed in a standard manner.


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