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<related-object> Related Object Information

Description of an object (for example, book chapter, figure, table) related to the content but published separately. May include a link to the related object.

Usage/Remarks

For example, the related object might be a related book, a chapter in a book, or a figure or graphic from another published source.
This element represents the link’s reference to its target in three parts:
  1. The source is the largest publishable unit (named in analogy to the <source> element used in citations). In the case of a reference to somewhere in a book, @source-id would represent the book as a whole, perhaps via its ISBN.
  2. The document is the part of the source that is typically delivered when a user follows the link in electronic form. For example, when linking into a book it may be desirable to transfer only the relevant chapter, section, or other unit. That unit would be specified on the @document-id, perhaps via its XML ID.
  3. The object is the location within the document of the precise destination of the link. For example, the object might be a particular list, paragraph, subsection, or other element specified by its XML ID (and a viewing application might scroll to it). In scanned data, the object might be a page specified by number, or an area-to-highlight specified by co-ordinates. In a relational database, the object might be a specific row, selection, or view specified by a query.

Best Practice

For each source, document, and object, an identifier is specified on the corresponding attribute. If the source and document are the same, the @source-id attribute should be empty. If the document and object are the same, the @object-id attribute should be empty. The @document-id attribute should always be specified.
The <related-object> element can also provide a name for the type of each identifier used, for example, ISBN, ISSN, DOI, XMLID, URI, and so on. These go on @source-id-type, @document-id-type, and @object-id-type as appropriate.
Finally, the <related-object> element can provide a name for the type of destination data each identifier actually points to, for example, Book, Part, Chapter, Section, Table, Glossary, Figure, Page, and so on. These go on @source-type, @document-type, and @object-type as appropriate. An application might, as one example, use @object-type values to display links to Figures in a different style than links to Chapters or Tables. When applicable, these types may, but need not, correspond to XML element type names.
Attributes
content-type
document-id
document-id-type
document-type
ext-link-type
hreflang
link-type
object-id
object-id-type
object-type
source-id
source-id-type
source-type
specific-use

Base Attributes

id
xml:base
xml:lang

Linking Attributes

xlink:actuate
xlink:href
xlink:role
xlink:show
xlink:title
xlink:type

Namespaces

xmlns:xlink
Models and Context
May be contained in
<abbrev>, <abstract>, <ack>, <addr-line>, <aff>, <alt-title>, <anonymous>, <answer>, <app>, <app-group>, <article-title>, <attrib>, <award-id>, <bio>, <body>, <bold>, <book-app-group>, <book-meta>, <book-part-meta>, <book-title>, <book-volume-id>, <book-volume-number>, <boxed-text>, <chapter-title>, <chem-struct>, <collab>, <collection-meta>, <comment>, <compound-kwd-part>, <conf-acronym>, <conf-loc>, <conf-name>, <conf-num>, <conf-sponsor>, <conf-theme>, <copyright-statement>, <corresp>, <def-head>, <degrees>, <disp-formula>, <disp-quote>, <edition>, <element-citation>, <email>, <etal>, <explanation>, <ext-link>, <fax>, <fixed-case>, <funding-source>, <funding-statement>, <given-names>, <glossary>, <gov>, <index>, <index-div>, <index-group>, <inline-formula>, <inline-supplementary-material>, <institution>, <issue>, <issue-part>, <issue-title>, <italic>, <kwd>, <label>, <license-p>, <meta-name>, <meta-value>, <mixed-citation>, <monospace>, <named-book-part-body>, <named-content>, <nav-pointer>, <notes>, <on-behalf-of>, <option>, <overline>, <p>, <part-title>, <patent>, <phone>, <prefix>, <preformat>, <product>, <publisher-loc>, <publisher-name>, <question>, <question-preamble>, <rb>, <ref-list>, <related-article>, <related-object>, <role>, <roman>, <sans-serif>, <sc>, <sec>, <sec-meta>, <see>, <see-also>, <see-also-entry>, <see-entry>, <self-uri>, <series>, <serif>, <sig>, <sig-block>, <source>, <speaker>, <std-organization>, <strike>, <string-conf>, <string-date>, <string-name>, <styled-content>, <sub>, <subject>, <subtitle>, <suffix>, <sup>, <supplement>, <support-source>, <surname>, <target>, <td>, <term>, <term-head>, <th>, <title>, <toc>, <toc-div>, <toc-entry>, <toc-group>, <trans-abstract>, <trans-source>, <trans-subtitle>, <trans-title>, <underline>, <unstructured-kwd-group>, <uri>, <verse-line>, <version>, <volume>, <volume-id>, <volume-series>, <volume-title>, <xref>
Description
Any combination of:
Content Model
<!ELEMENT  related-object
                        (#PCDATA %related-object-elements;)*         >
Expanded Content Model

(#PCDATA | inline-supplementary-material | related-article | related-object | hr | break | bold | fixed-case | italic | monospace | overline | overline-start | overline-end | roman | sans-serif | sc | serif | strike | underline | underline-start | underline-end | ruby | alternatives | inline-graphic | inline-media | private-char | chem-struct | inline-formula | label | tex-math | mml:math | abbrev | index-term | index-term-range-end | milestone-end | milestone-start | named-content | styled-content | annotation | article-title | chapter-title | collab | collab-alternatives | comment | conf-acronym | conf-date | conf-loc | conf-name | conf-sponsor | data-title | date | date-in-citation | day | edition | email | elocation-id | etal | ext-link | fpage | gov | institution | institution-wrap | isbn | issn | issn-l | issue | issue-id | issue-part | issue-title | lpage | month | name | name-alternatives | object-id | page-range | part-title | patent | person-group | pub-id | publisher-loc | publisher-name | role | season | series | size | source | std | string-date | string-name | supplement | trans-source | trans-title | uri | version | volume | volume-id | volume-series | year | fn | target | xref | sub | sup | x)*

Tagged Sample

Related book

...
<p>The toll of AIDS in Africa far exceeds its proportion of the 
 world population. Only 12% of the world's population inhabit 
 Africa, but the continent has over 60% of the AIDS-infected 
 population. Mortality statistics are complicated by the 
 relationship between Tuberculosis and HIV.
 <related-object source-id="http://www.ncbi.nlm.nih.gov/entrez/
   query.fcgi?cmd=Retrieve&amp;dopt=Expanded&amp;db=nlmcatalog&amp;list_uids=1252893"
   source-id-type="url" 
   source-type="book">
  <person-group person-group-type="editor">
   <name><surname>Jamison</surname>
    <given-names>Dean T.</given-names></name>
   ...
  </person-group>
  <source>Disease and Mortality in Sub-Saharan Africa</source>
  <edition>2</edition>
  <publisher-name>The World Bank</publisher-name>
  <publisher-loc>Washington, DC</publisher-loc>
  <year iso-8601-date="2006">2006</year>
  <isbn>0-8213-6397-2</isbn>
  <size units="pages">416</size>
 </related-object>
</p>
...