DDI_XPath
|
Required
|
UI Label
|
Type
|
Repeatable
|
Usage note
|
/ddi:codeBook/@xml:lang | Optional | Study description available in.. (in the search result
list) | Attribute | | ISO 639-1 codes are strongly encouraged to be used |
/ddi:codeBook/@xsi:schemaLocation | Recommended | | Attribute | | System-required information - nearly always "ddi:codebook:2_6
http://www.ddialliance.org/Specification/DDI-Codebook/2.6/XMLSchema/codebook.xsd" |
/ddi:codeBook/ddi:docDscr/ddi:citation/ddi:titlStmt/ddi:titl | Optional | | Content element | No | Title of the CDC XML document - note that the Study Title goes in
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:titl |
/ddi:codeBook/ddi:docDscr/ddi:citation/ddi:titlStmt/ddi:titl/@xml:lang | Mandatory if 'titl' element is present | | Attribute | | ISO 639-1 codes are strongly encouraged to be used |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:titl | Mandatory | Study title | Content element | No | Title of the Study. If additional titles are required in other
languages, use the parTitl element |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:titl/@xml:lang | Mandatory | | Attribute | | Language of the study title. ISO 639-1 codes are strongly encouraged
to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:parTitl | Optional | Study title | Content element | Yes | Title of the Study in additional languages other than the 'titl'
element. It is preferable to include this element to hold an English version of the
title if the 'titl' element is not in English. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:parTitl/@xml:lang | Mandatory if 'parTitl' element is present | | Attribute | | Language of the translated study title. ISO 639-1 codes are strongly
encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:IDNo | Mandatory | Study number / PID | Content element | Yes | The content of this element serves two purposes. It is used both for
the PID and for the study/archival number given by the SP. These two cases have
different specifications. IDNo in the sense of study number is optional. PID is
mandatory |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:IDNo/@xml:lang | Recommended | | Attribute | | Language is recommended when the agency attribute contains an
organisation name, for example, in the context of 'IDNo' being used to display the
internal study number |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:titlStmt/ddi:IDNo/@agency | Mandatory | Study number / PID | Attribute | | Agency responsible for the identifier of the study. If you are using
IDNo for a Persistent Identifer, value should be one of
https://vocabularies.cessda.eu/vocabulary/CessdaPersistentIdentifierTypes i.e. ARK
or DOI or Handle or URN |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:holdings/@xml:lang | Recommended | | Attribute | | Language of the study description page at the SP website (there can be
multiple 'holding' elements for study description pages in different languages. ISO
639-1 codes are strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:holdings/@URI | Mandatory | Access study | Attribute | | This is the document the metadata refers to, i.e. the URL of the study
description page at the SP website. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty | Recommended | Creator | Content element | Yes | Principal investigator Person OR Institution |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty/@xml:lang | Recommended | | Attribute | | Language of the Organisation name, which may be the contents of the
AuthEnty element or the affiliation attribute if AuthEnty specifies a person. ISO
639-1 codes codes are strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty/@affiliation | Optional | Creator | Attribute | | If AuthEnty is a person, the organisational affiliation of that
person |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty/@personalID | Optional | Creator | Attribute | | The persistent identifier (PID) of the principal investigator/creator |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:rspStmt/ddi:AuthEnty/@typeOfPersonalID | Optional | Creator | Attribute | | The type of the PID. If the PID is documented, the type of the PID
should be documented, too |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:prodStmt/ddi:grantNo | Optional | Grant number | Content element | Yes | The identification code of the grant or other monetary award which provided funding
for the Study. If you know that the funder is included in the OpenAire list of Funders,
see the instructions for grantNo syntax here:
https://guidelines.openaire.eu/en/latest/data/field_contributor.html#nameidentifier-ma-o .
Indicate the appropriate agency using the "agency" attribute.
If different funding agencies sponsored different stages of the production process,
use the "role" attribute to distinguish the grant numbers. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:prodStmt/ddi:grantNo/@xml:lang | Recommended | | Attribute | | Language of the name of the agency which provided the funding. ISO 639-1 codes
are strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:prodStmt/ddi:grantNo/@agency | Mandatory if 'grantNo' element is present | Funder | Attribute | | Agency which provided the funding. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:prodStmt/ddi:grantNo/@role | Optional | | Attribute | | If different funding agencies sponsored different stages of the production process,
use the "role" attribute to distinguish the grant numbers. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distrbtr | Mandatory | Publisher | Content element | Yes | The element should contain the name of the organisation who has
published the metadata for the harvested study description. This is usually the
SP. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distrbtr/@xml:lang | Mandatory | | Attribute | | Language of the organisation name. ISO codes are strongly encouraged
to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distrbtr/@abbr | Optional | | Attribute | | Abbreviated form of the Publisher name e.g. 'UKDA' for 'UK Data
Archive' |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distDate | Optional | Publication year | Content element | Yes | The freetext date when the study description was published. This
element may be left empty. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distDate/@xml:lang | Optional | | Attribute | | Language of the free text expression of the study description publication time.
ISO 639-1 codes are strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:distStmt/ddi:distDate/@date | Mandatory if 'distDate' element is present | Publication year | Attribute | | Ideally 'YYYY-MM-DDThh:mm:ssZ' format, but can accept 'YYYY-MM-DD',
'YYYY-MM' or 'YYYY' as date format. It is strongly recommended to provide the full
date to allow sorting by publication date in CDC. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/@URI | Optional | Series | Attribute | | URI to the study group (series) description page in the SPs web page |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/@xml:lang | Optional | | Attribute | | Language of the whole serStmt OR the URI to the study group (series) description page
in the SPs web page. ISO 639-1 codes are strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/ddi:serName | Optional | Series | Content element | Yes | The name of the study group / series. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/ddi:serName/@xml:lang | Recommended | | Attribute | | Language of the name of the series. ISO 639-1 codes are strongly encouraged
to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/ddi:serInfo | Optional | Series | Content element | Yes | The description of the study group / series. |
/ddi:codeBook/ddi:stdyDscr/ddi:citation/ddi:serStmt/ddi:serInfo/@xml:lang | Recommended | | Attribute | | Language of the description of the series. ISO 639-1 codes are strongly encouraged
to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:keyword | Recommended | Keywords | Content element | Yes | Keyword for the study in the local language. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:keyword/@xml:lang | Mandatory if 'keyword' element is present | | Attribute | | Language of the keyword. ISO 639-1 codes are strongly encouraged to be
used. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:keyword/@vocab | Recommended if 'keyword' element is present | Keywords (if ELSST) | Attribute | | Source of keywords - ELSST is recommended but other vocabularies can
be referenced. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:keyword/@vocabURI | Optional | | Attribute | | |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:topcClas | Recommended | Topics | Content element | Yes | Subject classifcation term for the study in the local language. Use
descriptive terms from https://vocabularies.cessda.eu/vocabulary/TopicClassification
if possible but other vocabularies are permitted. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:topcClas/@xml:lang | Mandatory if 'topcClas' element is present | | Attribute | | Language of the subject classification term. ISO 639-1 codes are
strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:topcClas/@vocab | Recommended | | Attribute | | name of the vocabulary. If possible, use "CESSDA Topic Classification"
(regardless of language) but other vocabularies are permitted. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:subject/ddi:topcClas/@vocabURI | Recommended | | Attribute | | Use the URI of the CV version that is being used based on the pattern
"https://vocabularies.cessda.eu/urn/urn:ddi:int.cessda.cv:TopicClassification:[version number]"
For example, for version 4.2.2 of CESSDA Topic Classification, use
"https://vocabularies.cessda.eu/urn/urn:ddi:int.cessda.cv:TopicClassification:4.2.2" |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:abstract | Mandatory | Abstract | Content element | Yes | The abstract for the study |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:abstract/@xml:lang | Mandatory | | Attribute | | Language of the abstract. ISO 639-1 codes are strongly encouraged to
be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:collDate | Recommended | Data collection period | Content element | Yes | This is the free text expression of the collection period. This
element may be empty. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:collDate/@xml:lang | Optional | | Attribute | | Language of the free text expression of the collection period.
ISO 639-1 codes are strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:collDate/@event | Mandatory if parent is present | Data collection period | Attribute | | Either 'start', 'end' or 'single' to indicate the type of date
Attribute |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:collDate/@date | Recommended strongly if 'collDate' element is present. | Data collection period | Attribute | | Ideally YYYY-MM-DDThh:mm:ssZ format, but can accept YYYY-MM-DD,
YYYY-MM or YYYY as date attribute. If there are multiple end dates, use the
last. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:nation | Recommended | Country | Content element | Yes | Countries relevant to the study area |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:nation/@xml:lang | Mandatory if 'nation' element is present | | Attribute | | Language of the country label. ISO 639-1 codes are strongly encouraged
to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:nation/@abbr | Recommended | | Attribute | | Use this attribute only if the country in the 'nation' element has an
ISO 3166-1 2-letter code. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit | Recommended | Analysis unit | Content element | Yes | Contains the Analysis Unit CV item in the local language. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit/@xml:lang | Mandatory if 'anlyUnit' element is present | | Attribute | | Language of the Analysis Unit CV item. ISO 639-1 codes are strongly
encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit/ddi:concept | Recommended | | Content element | No | |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit/ddi:concept/@vocab | Recommended | | Attribute | | Use the string "DDI Analysis Unit" regardless of language. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:anlyUnit/ddi:concept/@vocabURI | Optional | | Attribute | | The Canonical URL of the CV version that is being used e.g.
https://vocabularies.cessda.eu/v2/vocabularies/AnalysisUnit/1.0.0?languageVersion=en-1.0.0 |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:universe | Recommended | Universe | Content element | Yes | Description of population or other elements studied or measured (freetext). |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:universe/@xml:lang | Recommended | None | Attribute | | Language of the Universe item. ISO 639-1 codes are strongly
encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:universe/@clusion | Optional | Universe | Attribute | | The default value is "true" in DDI-L. The description statement of a
universe is generally stated in inclusive terms such as "All persons residing in Europe".
Occasionally a universe is defined by what it excludes, i.e., "All persons residing
in Europe except for those residing on U.S. Military bases".
In this case the value would be changed to "false".
In DDI-C, attribute clusion states the inclusion/exclusion with values "I" and "E" respectively. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:dataKind | Optional | Kind of data | Content element | Yes | A free text field describing shortly the type or kind of the dataset.
Using a vocabulary is recommended. |
/ddi:codeBook/ddi:stdyDscr/ddi:stdyInfo/ddi:sumDscr/ddi:dataKind/@xml:lang | Recommended | | Attribute | | Language of the data kind. ISO 639-1 codes are strongly
encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth | Recommended | Time dimension | Content element | Yes | Contains the Time Method CV item in the local language |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth/@xml:lang | Mandatory if 'timeMeth' element is present | | Attribute | | Language of the Time Method CV item. ISO 639-1 codes are strongly
encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth/ddi:concept | Recommended | | Content element | No | Time Method Controlled Vocabulary "Code value" that is the same across
languages. e.g if the 'timeMeth' element is 'Pitkittäisaineisto' for Finnish, the
'concept' element is 'Longitudinal'. See example at
https://vocabularies.cessda.eu/urn/urn:ddi:int.ddi.cv:TimeMethod |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth/ddi:concept/@vocab | Recommended | | Attribute | | Use the string "DDI Time Method" regardless of language. |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:timeMeth/ddi:concept/@vocabURI | Optional | | Attribute | | The Canonical URL of the CV version that is being used e.g.
https://vocabularies.cessda.eu/v2/vocabularies/TimeMethod/1.2.0?languageVersion=en-1.2.0 |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc | Optional | Sampling procedure | Content element | Yes | Contains the Sampling Procedure CV item in the local language and/or a
freetext description in the local language |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc/@xml:lang | Mandatory if 'sampProc' element is present | | Attribute | | Language of the Sampling Procedure CV item or freetext description.
ISO 639-1 codes are strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc/ddi:concept | Recommended | | Content element | No | Sampling Procedure Controlled Vocabulary "Code value" that is the same
across languages. e.g if the 'sampProc' element is 'Todennäköisyysotanta' for
Finnish, the 'concept' element is 'Probability'. See example at
https://vocabularies.cessda.eu/urn/urn:ddi:int.ddi.cv:SamplingProcedure |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc/ddi:concept/@vocab | Recommended | | Attribute | | Use the string "DDI Sampling Procedure" regardless of
language. |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:sampProc/ddi:concept/@vocabURI | Optional | | Attribute | | The Canonical URL of the CV version that is being used e.g.
https://vocabularies.cessda.eu/v2/vocabularies/SamplingProcedure/1.1.0?languageVersion=en-1.1.0 |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode | Recommended | Data collection mode | Content element | Yes | Contains the Mode of Collection CV item in the local
language. |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode/@xml:lang | Mandatory if 'collMode' element is present | | Attribute | | Language of the Mode of Collection CV item. ISO 639-1 codes are
strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode/ddi:concept | Recommended | | Content element | No | Mode of Collection Controlled Vocabulary "Code value" that is the same
across languages. e.g if the 'collMode' element is 'Haastattelu' for Finnish, the
'concept' element is 'Interview'. See example at
https://vocabularies.cessda.eu/urn/urn:ddi:int.ddi.cv:ModeOfCollection |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode/ddi:concept/@vocab | Recommended | | Attribute | | Use the string "DDI Mode of Collection" regardless of
language. |
/ddi:codeBook/ddi:stdyDscr/ddi:method/ddi:dataColl/ddi:collMode/ddi:concept/@vocabURI | Optional | | Attribute | | The Canonical URL of the CV version that is being used e.g.
https://vocabularies.cessda.eu/v2/vocabularies/ModeOfCollection/3.0.0?languageVersion=en-3.0.0 |
/ddi:codeBook/ddi:stdyDscr/ddi:dataAccs/ddi:useStmt/ddi:restrctn | Recommended | Terms of data access | Content element | Yes | Refers to any information relating to the access and use conditions of
data that the SP wants to send. SPs need to concatenate the information for
'restrctn' the way they want it to appear in the CDC, if they use data from
different elements e.g.specPerm, restrctn, avlStatus etc. |
/ddi:codeBook/ddi:stdyDscr/ddi:dataAccs/ddi:useStmt/ddi:restrctn/@xml:lang | Mandatory if 'restrctn' is present | | Attribute | | Language of the Access statement. ISO 639-1 codes are strongly
encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:dataAccs/ddi:typeOfAccess | Optional | Data access | Content element | Yes | Controlled description of the data access (open access vs. restricted access).
CDC will use the same Access Rights vocabulary as OpenAIRE.
The name of the vocabulary is “info:eu-repo-Access-Terms vocabulary” - see
http://purl.org/eu-repo/semantics/#info-eu-repo-AccessRights
Only the codes "info:eu-repo/semantics/restrictedAccess" and "info:eu-repo/semantics/openAccess"
will be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:dataAccs/ddi:typeOfAccess/@vocab | Optional | | Attribute | | When the conditions element is used for vocabulary
'info:eu-repo-Access-Terms vocabulary', then use this vocabulary name
'info:eu-repo-Access-Terms vocabulary' in this field. |
/ddi:codeBook/ddi:fileDscr/ddi:fileTxt/ddi:fileName | Recommended | | Content element | Yes | Language-specific name of file |
/ddi:codeBook/ddi:fileDscr/ddi:fileTxt/ddi:fileName/@xml:lang | Recommended | Language of data file(s). | Attribute | | Language(s) of data files. The only information necessary for CDC is
the language of the files, as this is needed for the filter. The values or content
of 'fileName' are not extracted. ISO 639-1 codes are strongly encouraged to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl | Optional | Related publications | Content element | Yes | First option for bibliographic citation of the related publication. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/@xml:lang | Optional | | Attribute | | Language of the related publication. This not always the same as the metadata language
and therefore this is useful for monolingual profile, too. ISO 639-1 codes are strongly encouraged
to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:titlStmt/ddi:titl | Optional | Related publications | Content element | No | Second option for bibliographic citation of the related publication. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:titlStmt/ddi:titl/@xml:lang | Optional | | Attribute | | Language of the related publication title. ISO 639-1 codes are strongly encouraged
to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:titlStmt/ddi:IDNo | Optional | | Content element | Yes | PID of the publication. Required by OpenAire to to relate the
publication to a dataset. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:titlStmt/ddi:IDNo/@agency | Mandatory if '..../IDNo' element is present. | | Attribute | | Agency responsible for the identifier of the publication. Required by
OpenAire and the value has to come from their controlled list of
relatedIdentifierTypes:
https://guidelines.openaire.eu/en/latest/data/field_relatedidentifier.html#d-relatedidentifier.. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:biblCit | Optional | Related publications | Content element | Yes | Third option for bibliographic citation of the related publication. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:biblCit/@xml:lang | Optional | | Attribute | | Language of the related publication title. ISO 639-1 codes are strongly encouraged
to be used. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:distStmt/ddi:distDate/@date | Recommended | | Attribute | | The publication year of the related publication. |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:holdings/@URI | Optional | Related publications | Attribute | | URL of website on which the publication can be found (or at least information concerning
the literature). |
/ddi:codeBook/ddi:stdyDscr/ddi:othrStdyMat/ddi:relPubl/ddi:citation/ddi:holdings/@xml:lang | Optional | | Attribute | | Language of the publication website. ISO 639-1 codes are strongly encouraged
to be used. |