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PREPARING AND PUBLISHING METADATA
Tools and procedures
Vipavc Brvar Irena , ADP, Slovenia
CESSDA - Seminar, 26.-28. October, 2005
Efficiency: Metadata authoring is time-consuming.
Methods to save time and increase efficiency are therefore
important. This includes automation of processes and
methods to avoid unnecessary repetition of tasks.
Import: Most data sources have some sort machinereadable documentation. An efficient metadata authoring
tool should be able to capture this information and put it
into the DDI structure
Write once – use many: Once you have a metadata
instance describing your data you should be able to use it
for many purposes (like producing data files for different
statistical packages
Data/metadata integration: An efficient and flexible
metadata authoring tool should be able to handle the
data as well as the metadata (integrity checking,
automatic creation of summary statistics and
frequencies etc.)
Simplicity: Metadata authoring is often done by
persons with limited technological skills. The tools
should thus be designed for none-experts.
Different sources will give you different parts of the DDI.
spss, sas, stata
pdf
Nesstar
Vargrps
pdf2text
text codebook
XML
html HTMLPad
database
Study info
Textpad
Word
DDI
Categories
Quest. text
Locations
Freq
Excel
delimited text
Blaise
Process the different sources and
assemble/merge the result
PDF2Text
is a plug-in conversion tool for Acrobat which is used to
convert your PDF documents into plain text ascii
files.
Options are available to output page numbers, paragraph
formatting, horizontal formatting, vertical formatting, page
range extraction, character spacing per inch, sorting of text,
text tolerance level override for varying sizes of text,
automatic loading and saving of configurations & many other
features.
http://www.traction-software.co.uk/pdf2text/
View
-Plain text
-Tags on
-Normal
-Page Preview
View
-Plain text
-Tags on
-Normal
-Page Preview
Validate
document
(using defined
DTD)
Validation log
Structure
view
View
-Plain text
-Tags on
-Normal
-Page Preview
Validate
document
(using defined
DTD)
Validation log
Structure
view
Attribute inspector
Element list
Attributes and elements
View
-Plain text
-Tags on
-Normal
-Page Preview
Validate
document
(using defined
DTD)
Validation log
Structure
view
Attribute inspector
Element list
Insert:
-Element
-Entity Reference
-Comment
-Special Characters
-Symbols
Macros
Drawback – Not in typical skillset
NESSTAR
- Import of data from a variety of formats (SPSS, SAS,
Statistica, Stata etc.)
- Data metadata integration facilitating integrity checking as
well as automatic creation of summary statistics.
- Powerful metadata editing capabilities:
- Tools for efficient entering of information for multiple
variables.
- Tools for efficient creation of the variable group
hierarchies
- A category set repository supporting efficient reuse of
variable metadata within and across datasets
NESSTAR
- Template driven interface supporting the development and
freezing of local “best practices”, selection of obligatory
elements, local controlled vocabularies etc)
- Export of data to a variety of formats
The variable info screen
Entering of study-level metadata
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