Re: [greenstone-users] Exploding ISIS databases

From Michael Dewsnip
DateWed, 27 Sep 2006 16:43:27 +1200
Subject Re: [greenstone-users] Exploding ISIS databases
In-Reply-To (7-0-1-0-2-20060921222050-04b002b0-namweb-com-na)
Hi Renate,

This is a bug which will be fixed in Greenstone v2.71. The
explode_metadata_database.pl script can now obtain multiple files per
record if there are multiple values for the document field, and will
associate the record metadata with each.

Additionally, building a CDS/ISIS collection (unexploded) or exploding a
CDS/ISIS file should be significantly faster in Greenstone v2.71, as it
no longer tries to determine the encoding of the CDS/ISIS file.

Regards,

Michael

Renate Morgenstern wrote:

> Hi,
>
> The database of photos we have has records with one caption, but
> multiple occurrences of file names images, e.g. 0001.jpg%2345.jpg. I
> noticed that only the first one is exploded - is this correct?
> THanks
> Renate
>
>
>> HI Michael,
>>
>> I now tested the new explode database with the option of specifying
>> the number of records per folder in a CDS/ISIS database.
>> I tested with 89 records and it worked fine. But now the database has
>> 171 records and when I use the option 100 records folder, it does not
>> extract the metadata from the ISIS records. When I set the limit per
>> folder to 200, the metadata IS extracted.
>> Could you test it and see whether it is the same on your computer?
>> Thanks
>> Renate
>>
>>
>>
>> With the option to create folders for the exploded CDS/ISIS databases, I
>> have been able to explode two fiarly large databases. Both of these
>> contain
>> over 11,000 records. Exploding and building took approximately 30
>> minutes.
>> However one database contains links to images and I have not been able to
>> include these linked images in the collection since I get an error
>> each time
>> during the build.
>> <An error has occurred which will prevent the collection from being
>> previewed>.
>> Is there any way to get around this problem?
>> Lucia
>>
>> Lucia Phillip
>> NALIS
>> Trinidad and Tobago
>>
>>
>>
>> On 9/19/06, Renate Morgenstern <rmorgenstern@unam.na> wrote:
>> >
>> > HI Michael,
>> >
>> > I now tested the new explode database with the option of specifying
>> > the number of records per folder in a CDS/ISIS database.
>> > I tested with 89 records and it worked fine. But now the database has
>> > 171 records and when I use the option 100 records folder, it does not
>> > extract the metadata from the ISIS records. When I set the limit per
>> > folder to 200, the metadata IS extracted.
>> > Could you test it and see whether it is the same on your computer?
>> > Thanks
>> > Renate
>> >
>> >
>> > Mrs. Renate Morgenstern
>> > University of Namibia Library
>> > Head: Technical Services and Systems
>> > Private Bag 13301, Windhoek, Namibia
>> > Tel: +264 61 2063869; Fax: +264 61 242124
>> > email: rmorgenstern@unam.na
>> > http://www.unam.na/ilrc/library/index.html
>> >
>> >
>> >
>> >
>>
>>
>> Charles W. Bailey, Jr., Assistant Dean for Digital Library
>> Planning and Development, University of Houston Libraries
>>
>> E-Mail: cbailey@digital-scholarship.com
>>
>> Publications: http://www.digital-scholarship.com/
>>
>> (Provides access to DigitalKoans, Open Access Bibliography,
>> Open Access Webliography, Scholarly Electronic Publishing
>> Bibliography, Scholarly Electronic Publishing Weblog,
>> and other publications.)
>>
>>
>>
> Mrs. Renate Morgenstern
> P O Box 30664, Windhoek
> Tel/Fax: 242124 (H); 2063869 (W)
> University of Namibia Library
> Head: Technical Services and Systems
> Private Bag 13301, Windhoek, Namibia
> http://www.cds-isis.org.na
> <http://www.cds-isis.org.na/> http://www.unam.na/ilrc/library/index.html
>
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