Use LD Path as mapping/indexing language for the Entityhub
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Key: STANBOL-432
URL: https://issues.apache.org/jira/browse/STANBOL-432
Project: Stanbol
Issue Type: Sub-task
Reporter: Rupert Westenthaler
Assignee: Rupert Westenthaler
Currently an own lanugage is used that supports a limited amount of
transformation and filters when importing/indexing data with the Entityhub.
The documentation for this language can be found at
http://wiki.iks-project.eu/index.php/RepresentationMapping. The goal is to
replace this language by LD Path.
However the currently used Mapping language does also have two core features
that are not supported by LDPath
1) global language filters: This allow to define languages to be imported for
all mapped fields
2) Wildcards on properties (e.g. dc:* -> import all Dublin Core properties):
See http://code.google.com/p/ldpath/issues/detail?id=1 for the according
feature request.
In addition the usage of Paths (e.g. friend_names = foaf:knows/foaf:name) will
also require some changes in the Indexing utilities, because currently it is
not possible to request data for entities other than the currently indexed one.
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