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Declarative Data Transformations for Linked Data Generation: the case of DBpedia
Published on Jul 10, 2017848 Views
Mapping languages allow us to define how Linked Data is generated from raw data, but only if the raw data values can be used as is to form the desired Linked Data. Since complex data transformations r
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Declarative Data Transformations for Linked Data Generation00:00
Barack Obama00:19
How to create Linked Barack?00:29
Linked Barack00:44
A specific case00:56
A specific case - 100:56
A specific solution02:26
Data transformations are hard-coded in the DBpedia EF03:05
Declarative schema transformations are great03:59
Declarative data transformations makes Linked Data generation 04:30
Outline04:41
Outline - 105:02
Direct mappings05:23
Succesive steps05:51
Embedded data transformations06:46
Hard-coded07:57
Leopold II of Belgium08:20
Leopold II of Belgium - 108:25
Leopold II of Belgium - 208:28
Table08:32
Transform schema08:44
Transform data08:54
Hard-coded: disadvantages09:02
Disadvantages of current approaches09:20
What do we want?09:35
Outline - 209:46
Aligned declarative schema and declarative data transformations09:51
Outline - 311:26
Declaratives11:42
RML mapping13:29
FnO mapping14:15
Separate RML and FnO14:36
Aligned RML and FnO14:47
Practical - Implementation15:09
Practical - Implementation - 116:40
Practical - Implementation - 217:32
Practical - Implementation - 317:41
Practical - Implementation - 417:53
Practical - Implementation - 518:00
Practical - Implementation - 618:05
Practical - Implementation - 718:17
Outline - 418:19
Our approach generates the same DBpedia data, and18:49
See it in action!19:49