Re: [Dspace-tech] DSpace as an authority control for authors

2013-01-17 Thread Nemiz, Elvi
Hello helix,

Thanks for your response. I would like to know if how can I make our
repository as an authority file, specifically I want to use SampleAuthority
plugin to lookup to existing names with authority. If it's not that
complicated, where would I put your suggested sql query in
SampleAuthority.java if ever I want to use it as the basis for my name
authority plugin?

Thanks in advance and regards,
Elvi

On Thu, Jan 3, 2013 at 10:57 PM, helix84 heli...@centrum.sk wrote:

 On Fri, Dec 28, 2012 at 7:40 AM, Nemiz, Elvi esne...@seafdec.org.ph
 wrote:
  Previously I used LCName authority plugin to lookup and to make the
 authors
  authority-controlled. I edited some authority keys since it shows up in
  sidebar facets and browse by authors pages. If I don't want to use LCName
  plugin anymore, and instead want to lookup to existing authors that have
  already an authority key, how can I achieve this? Did anybody somehow
  modified the existing SampleAuthority plugin to get it to lookup existing
  values from the DSpace database? Would it still be possible if I'm using
  SolrBrowseDAO in my Browse Configuration instead of the default? I'm
 using
  dspace 3.0, xmlui with discovery enabled.  Thanks in advance.

 Hi Elvi,

 you could do this:

 SELECT * FROM metadatavalueWHERE authority IS NOT NULL


 or if you want to leave out duplicate authors, do this:

 SELECT DISTINCT authority, confidence, text_value FROM metadatavalueWHERE 
 authority IS NOT NULL



 Regards,
 ~~helix84

 Compulsory reading: DSpace Mailing List Etiquette
 https://wiki.duraspace.org/display/DSPACE/Mailing+List+Etiquette

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Re: [Dspace-tech] DSpace as an authority control for authors

2013-01-17 Thread Andrea Schweer
Hi Elvi,

On 18/01/13 16:19, Nemiz, Elvi wrote:

 Thanks for your response. I would like to know if how can I make our
 repository as an authority file, specifically I want to use
 SampleAuthority plugin to lookup to existing names with authority. If
 it's not that complicated, where would I put your suggested sql query
 in SampleAuthority.java if ever I want to use it as the basis for my
 name authority plugin?

Like SampleAuthority, your plugin would need to implement the three
methods from ChoiceAuthority: getMatches, getBestMatch and getLabel.
There is quite a lot of documentation about the expected behaviour of
these methods in ChoiceAuthority.java:
https://github.com/DSpace/DSpace/blob/master/dspace-api/src/main/java/org/dspace/content/authority/ChoiceAuthority.java

helix's query just gives you all metadata values where there already is
an authority key. This might be a candidate for getMatches, but of
course it wouldn't compare the name you're about to add to things in the
database. The getMatches method has access to the metadata field
(parameter field) and to the value that is to be looked up (parameter
text), so you could use these to refine the SQL query, eg by looking
up metadata values only in that metadata field and/or only values that
are similar to the value that is to be looked up.

So you'll need to build your SQL query as needed and then invoke it
using one of the query methods in DatabaseManager. You'll then need to
iterate over the results and build a Choice instance for each so your
method can return a Choices instance.

For getBestMatch, you could mimic getBestMatch in SampleAuthority and
just return the first one for starters.

For getLabel, which is used when browsing publications for a given
author, you need to do a reverse lookup, which is a bit more
complicated. But if you use SolrBrowseDAO anyway then this method may
not even get used. For starters, you can always just return the key
parameter that was passed into the method.

 Would it still be possible if I'm using SolrBrowseDAO in my Browse
 Configuration instead of the default? I'm using dspace 3.0, xmlui with
 discovery enabled.  

The above should still work; however as far as I know, discovery and the
solr stats completely ignore all authority keys and use the text values
instead. So you won't get all the benefits of name authority.

cheers,
Andrea

-- 
Dr Andrea Schweer
IRR Technical Specialist, ITS Information Systems
The University of Waikato, Hamilton, New Zealand


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Re: [Dspace-tech] DSpace as an authority control for authors

2013-01-03 Thread helix84
On Fri, Dec 28, 2012 at 7:40 AM, Nemiz, Elvi esne...@seafdec.org.ph wrote:
 Previously I used LCName authority plugin to lookup and to make the
authors
 authority-controlled. I edited some authority keys since it shows up in
 sidebar facets and browse by authors pages. If I don't want to use LCName
 plugin anymore, and instead want to lookup to existing authors that have
 already an authority key, how can I achieve this? Did anybody somehow
 modified the existing SampleAuthority plugin to get it to lookup existing
 values from the DSpace database? Would it still be possible if I'm using
 SolrBrowseDAO in my Browse Configuration instead of the default? I'm using
 dspace 3.0, xmlui with discovery enabled.  Thanks in advance.

Hi Elvi,

you could do this:

SELECT * FROM metadatavalueWHERE authority IS NOT NULL


or if you want to leave out duplicate authors, do this:

SELECT DISTINCT authority, confidence, text_value FROM
metadatavalueWHERE authority IS NOT NULL



Regards,
~~helix84

Compulsory reading: DSpace Mailing List Etiquette
https://wiki.duraspace.org/display/DSPACE/Mailing+List+Etiquette
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[Dspace-tech] DSpace as an authority control for authors

2012-12-27 Thread Nemiz, Elvi
Dear all,

Previously I used LCName authority plugin to lookup and to make the authors
authority-controlled. I edited some authority keys since it shows up in
sidebar facets and browse by authors pages. If I don't want to use LCName
plugin anymore, and instead want to lookup to existing authors that have
already an authority key, how can I achieve this? Did anybody somehow
modified the existing SampleAuthority plugin to get it to lookup existing
values from the DSpace database? Would it still be possible if I'm
using SolrBrowseDAO in my Browse Configuration instead of the default? I'm
using dspace 3.0, xmlui with discovery enabled.  Thanks in advance.

Regards,
Elvi S. Nemiz
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