Downloaded 11 times
![11
● SPARQL-Generate [1]
● RML [2]
○ YARRRML [3]
[1] Lefrançois, M., Zimmermann, A., Bakerally, N.: A SPARQL Extension For Generating RDF From Heterogeneous Formats. In: Extended Semantic Web Conference (ESWC) (2017)
[2] Dimou, A., Vander Sande, M., Colpaert, P., Verborgh, R., Mannens, E., Van de Walle, R.: RML: A Generic Language for Integrated RDF Mappings of Heterogeneous Data. In: Workshop on Linked Data on the Web (LDOW)
collocated with WWW (2014)
[3] Heyvaert, P., De Meester, B., Dimou, A., Verborgh, R.: Declarative Rules for Linked Data Generation at Your Fingertips! In: Extended Semantic Web Conference (ESWC), Poster & Demo (2018)
mappings:
Person:
subject: https://www.example.org/Person/$(name)/
predicateobjects:
- [a, 'http://dbpedia.org/ontology/Person']
- predicates: ‘http://dbpedia.org/ontology/birthPlace’
objects:
- mapping: City
City:
subject: https://www.example.org/City/$(birth_city)/
predicateobjects:
- [a, 'http://dbpedia.org/ontology/City']
Name Birth City
Augustus Rome
Tiberius Rome
Caligula Antitum
dbo:Person dbo:City
dbo:birthPlace](https://image.slidesharecdn.com/educationaltrackbenjaminmoreauasemi-automatictoolforlinkeddataintegration3-191009074513/75/A-Semi-Automatic-Tool-for-Linked-Data-Integration-11-2048.jpg)
![12
● Karma [4]
● RMLEditor [5]
● Juma [6]
[4] Gupta, S., Szekely, P., Knoblock, C.A., Goel, A., Taheriyan, M., Muslea, M.: Karma: A System for Mapping Structured Sources Into the Semantic Web. In: Extended Semantic Web Conference (ESWC), Poster & Demo (2012)
[5] Heyvaert, P., Dimou, A., Herregodts, A.L., Verborgh, R., Schuurman, D., Mannens, E., Van de Walle, R.: RMLEditor: a Graph-Based Mapping Editor for Linked Data Mappings. In: Extended Semantic Web Conference (ESWC)
(2016)
[6] Junior, A.C., Debruyne, C., O’Sullivan, D.: An Editor that Uses a Block Metaphor for Representing Semantic Mappings in Linked Data. In: Extended Semantic Web Conference (ESWC), Poster & Demo (2018)](https://image.slidesharecdn.com/educationaltrackbenjaminmoreauasemi-automatictoolforlinkeddataintegration3-191009074513/75/A-Semi-Automatic-Tool-for-Linked-Data-Integration-12-2048.jpg)
![16
Name Birth City Birth Province
Augustus Rome
Tiberius Rome
Claudius Lugdunum Gallia Lugdunensis
DBpedia
YAGO
Linked Open
Vocabularies
[Augustus, Tiberius, Claudius]
Person
dbo:Person
dbo:Person](https://image.slidesharecdn.com/educationaltrackbenjaminmoreauasemi-automatictoolforlinkeddataintegration3-191009074513/75/A-Semi-Automatic-Tool-for-Linked-Data-Integration-16-2048.jpg)
![17
DBpedia
YAGO
Linked Open
Vocabularies
[Rome, Lugdunum]
City
dbo:City
Name Birth City Birth Province
Augustus Rome
Tiberius Rome
Claudius Lugdunum Gallia Lugdunensis
dbo:Person dbo:City](https://image.slidesharecdn.com/educationaltrackbenjaminmoreauasemi-automatictoolforlinkeddataintegration3-191009074513/75/A-Semi-Automatic-Tool-for-Linked-Data-Integration-17-2048.jpg)
![18
DBpedia
YAGO
Linked Open
Vocabularies
[Gallia Lugdunensis]
? Name Birth City Birth Province
Augustus Rome
Tiberius Rome
Claudius Lugdunum Gallia Lugdunensis
dbo:Person dbo:City](https://image.slidesharecdn.com/educationaltrackbenjaminmoreauasemi-automatictoolforlinkeddataintegration3-191009074513/75/A-Semi-Automatic-Tool-for-Linked-Data-Integration-18-2048.jpg)
![40
Name Birth City Birth Province
Augustus Rome
Tiberius Rome
Claudius Lugdunum Gallia Lugdunensis
dbo:Person
foaf:Person
dbo:Agent
...
dbo:City
dbo:Place
dbo:Location
...
schem
a:nam
e
dbo:birthPlace
dul:hasLocation
dbo:birthPlace
dul:hasLocation
dbo:Place
dbo:location
...
rdfs:label rdfs:label rdfs:label
mappings:
Person:
subject: https://www.example.org/Person/$(name)/
predicateobjects:
- [a, 'http://dbpedia.org/ontology/Person]
- [a, 'http://xmlns.com/foaf/0.1/Person]
- [a, 'http://dbpedia.org/ontology/Agent]
- predicates: ‘http://dbpedia.org/ontology/birthPlace’
objects:
- mapping: City
- predicates: ‘http://dbpedia.org/ontology/birthPlace’
objects:
- mapping: Place
...
City:
subject: https://www.example.org/City/$(birth_city)/
predicateobjects:
- [a, 'http://dbpedia.org/ontology/City']
- [a, 'http://dbpedia.org/ontology/location]
...
Place:
subject: https://www.example.org/City/$(birth_province)/
predicateobjects:
- [a, 'http://dbpedia.org/ontology/Place]
- [a, 'http://dbpedia.org/ontology/location]
...
✓](https://image.slidesharecdn.com/educationaltrackbenjaminmoreauasemi-automatictoolforlinkeddataintegration3-191009074513/75/A-Semi-Automatic-Tool-for-Linked-Data-Integration-40-2048.jpg)
Uploaded byConnected Data World
A Semi-Automatic Tool for Linked Data Integration
This document discusses automating the process of integrating structured datasets as linked data. It involves recognizing entities and properties in the dataset, asking the user questions to determine the types of resources and relationships, and generating an RDF mapping. The mapping defines the transformation of the dataset into RDF triples using relevant ontologies. The goal is to simplify linked data integration by reducing the need for users to be familiar with RDF. A chatbot is presented that can perform this automated integration process by recognizing entities, asking questions, and generating the RDF mapping.
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A Semi-Automatic Tool for Linked Data Integration
- 1. Benjamin Moreau @BenjMoreau ConnectedData London 2019 1
- 2. INTRODUCTION 2 Linked Data isa set of best practices to publish data in RDF Data published as Linked Data are described according to ontologies LD make data interoperable, discoverable and reusable RDF Mapping defines the transformation of a structured dataset into an RDF dataset
- 3. RDF MAPPING TOINTEGRATE DATA IN THE LD 3 Name Birth City Augustus Rome Tiberius Rome Caligula Antitum Subject Predicate Object ex:Augustus dbo:birthPlace ex:Rome ex:Tiberius dbo:birthPlace ex:Rome ex:Caligula dbo:birthPlace ex:Antitum ex:$(Name) ex:$(Birth City) dbo:birthPlace
- 4. RDF MAPPING CREATIONPROCESS 4 Which type of resources are contained in columns? Name Birth City Augustus Rome Tiberius Rome Caligula Antitum Person City
- 5. 5 Which type ofresources are contained in columns? What are the relationships between resources? Name Birth City Augustus Rome Tiberius Rome Caligula Antitum Person City Birth Place RDF MAPPING CREATION PROCESS
- 6. 6 Which type ofresources are contained in columns? What are the relationships between resources? Which ontologies are relevant to describe these concepts? Name Birth City Augustus Rome Tiberius Rome Caligula Antitum dbo:Person dbo:City dbo:birthPlace RDF MAPPING CREATION PROCESS
- 7. LIMITATION 7 ● ● ● ● ● ● KNOW THE DATASET PERFECTLY BEFAMILIAR WITH RDF Making an RDF Mapping requires to:
- 8. PROBLEM STATEMENT 8 How tosimplify as much as possible the integration of existing structured datasets as Linked Data?
- 9. CHALLENGE 9 Automate part ofthe integration process that requires to be familiar with RDF ● ● ● ● ● ● KNOW THE DATASET PERFECTLY BE FAMILIAR WITH RDF
- 10.
- 11. 11 ● SPARQL-Generate [1] ●RML [2] ○ YARRRML [3] [1] Lefrançois, M., Zimmermann, A., Bakerally, N.: A SPARQL Extension For Generating RDF From Heterogeneous Formats. In: Extended Semantic Web Conference (ESWC) (2017) [2] Dimou, A., Vander Sande, M., Colpaert, P., Verborgh, R., Mannens, E., Van de Walle, R.: RML: A Generic Language for Integrated RDF Mappings of Heterogeneous Data. In: Workshop on Linked Data on the Web (LDOW) collocated with WWW (2014) [3] Heyvaert, P., De Meester, B., Dimou, A., Verborgh, R.: Declarative Rules for Linked Data Generation at Your Fingertips! In: Extended Semantic Web Conference (ESWC), Poster & Demo (2018) mappings: Person: subject: https://www.example.org/Person/$(name)/ predicateobjects: - [a, 'http://dbpedia.org/ontology/Person'] - predicates: ‘http://dbpedia.org/ontology/birthPlace’ objects: - mapping: City City: subject: https://www.example.org/City/$(birth_city)/ predicateobjects: - [a, 'http://dbpedia.org/ontology/City'] Name Birth City Augustus Rome Tiberius Rome Caligula Antitum dbo:Person dbo:City dbo:birthPlace
- 12. 12 ● Karma [4] ●RMLEditor [5] ● Juma [6] [4] Gupta, S., Szekely, P., Knoblock, C.A., Goel, A., Taheriyan, M., Muslea, M.: Karma: A System for Mapping Structured Sources Into the Semantic Web. In: Extended Semantic Web Conference (ESWC), Poster & Demo (2012) [5] Heyvaert, P., Dimou, A., Herregodts, A.L., Verborgh, R., Schuurman, D., Mannens, E., Van de Walle, R.: RMLEditor: a Graph-Based Mapping Editor for Linked Data Mappings. In: Extended Semantic Web Conference (ESWC) (2016) [6] Junior, A.C., Debruyne, C., O’Sullivan, D.: An Editor that Uses a Block Metaphor for Representing Semantic Mappings in Linked Data. In: Extended Semantic Web Conference (ESWC), Poster & Demo (2018)
- 13.
- 14.
- 15. 15 ENTITIES RECOGNITION DBPedia, YAGO LinkedOpen Vocabularies PROPERTIES RECOGNITION Linked Open Vocabularies MAPPING GENERATION RDFS and OWL ✓ QUESTIONS TO USER QUESTIONS TO USER
- 16. 16 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis DBpedia YAGO Linked Open Vocabularies [Augustus, Tiberius, Claudius] Person dbo:Person dbo:Person
- 17. 17 DBpedia YAGO Linked Open Vocabularies [Rome, Lugdunum] City dbo:City NameBirth City Birth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City
- 18. 18 DBpedia YAGO Linked Open Vocabularies [Gallia Lugdunensis] ?Name Birth City Birth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City
- 19. 19 ENTITIES RECOGNITION DBPedia, YAGO LinkedOpen Vocabularies PROPERTIES RECOGNITION Linked Open Vocabularies MAPPING GENERATION RDFS and OWL ✓ QUESTIONS TO USER QUESTIONS TO USER
- 20. 20 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City Column Name contains entities of type Person?
- 21. 21 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City Column Name contains entities of type Person? ✓
- 22. 22 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City Column Birth City contains entities of type City? Column Name contains entities of type Person? ✓
- 23. 23 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City ✓ Column Birth City contains entities of type City? Column Name contains entities of type Person? ✓
- 24. 24 ENTITIES RECOGNITION DBPedia, YAGO LinkedOpen Vocabularies PROPERTIES RECOGNITION Linked Open Vocabularies MAPPING GENERATION RDFS and OWL ✓ QUESTIONS TO USER QUESTIONS TO USER
- 25. 25 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City Linked Open Vocabularies Name schema:name schema:name
- 26. 26 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City Linked Open Vocabularies Birth City dbo:birthPlace dbo:birthPlace schema:name
- 27. 27 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City Linked Open Vocabularies Birth Province dbo:birthPlace dbo:birthPlace dbo:birthPlace schema:name
- 28. 28 ENTITIES RECOGNITION DBPedia, YAGO LinkedOpen Vocabularies PROPERTIES RECOGNITION Linked Open Vocabularies MAPPING GENERATION RDFS and OWL ✓ QUESTIONS TO USER QUESTIONS TO USER
- 29. 29 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City schema:name dbo:birthPlace dbo:birthPlace Column Name contains names of entities?
- 30. 30 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City schema:name dbo:birthPlace dbo:birthPlace Column Name contains names of entities? ✓
- 31. 31 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City schema:name dbo:birthPlace dbo:birthPlace Column Name contains names of entities? ✓ Which column contains entities that have a name?
- 32. 32 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City schem a:nam e dbo:birthPlace dbo:birthPlaceColumn Name contains names of entities? ✓ Which column contains entities that have a name? Name
- 33. 33 Column Birth Citycontains birth places of entities? ✓ Which column contains entities that have a birth place? Name Name Birth City Birth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City schem a:nam e dbo:birthPlace dbo:birthPlace
- 34. 34 Column Birth Provincecontains birth places of entities? ✓ Which column contains entities that have a birth place? Name Name Birth City Birth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City schem a:nam e dbo:birthPlace dbo:birthPlace
- 35. 35 ENTITIES RECOGNITION DBPedia, YAGO LinkedOpen Vocabularies PROPERTIES RECOGNITION Linked Open Vocabularies MAPPING GENERATION RDFS and OWL ✓ QUESTIONS TO USER QUESTIONS TO USER
- 36. 36 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City schem a:nam e dbo:birthPlace dbo:birthPlace Apply rdfs:domain and rdfs:range rules dbo:Place
- 37. 37 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person dbo:City schem a:nam e dbo:birthPlace dbo:birthPlace Infer rdfs:label dbo:Place rdfs:label rdfs:label rdfs:label
- 38. 38 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person foaf:Person dbo:Agent ... dbo:City dbo:Place dbo:Location ... schem a:nam e dbo:birthPlace dbo:birthPlace Apply rdfs:subClassOf owl:equivalentClass rules dbo:Place dbo:location ... rdfs:label rdfs:label rdfs:label
- 39. 39 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person foaf:Person dbo:Agent ... dbo:City dbo:Place dbo:Location ... schem a:nam e dbo:birthPlace dul:hasLocation dbo:birthPlace dul:hasLocation Infer properties rdfs:subPropertyOf owl:equivalentProperty dbo:Place dbo:location ... rdfs:label rdfs:label rdfs:label
- 40. 40 Name Birth CityBirth Province Augustus Rome Tiberius Rome Claudius Lugdunum Gallia Lugdunensis dbo:Person foaf:Person dbo:Agent ... dbo:City dbo:Place dbo:Location ... schem a:nam e dbo:birthPlace dul:hasLocation dbo:birthPlace dul:hasLocation dbo:Place dbo:location ... rdfs:label rdfs:label rdfs:label mappings: Person: subject: https://www.example.org/Person/$(name)/ predicateobjects: - [a, 'http://dbpedia.org/ontology/Person] - [a, 'http://xmlns.com/foaf/0.1/Person] - [a, 'http://dbpedia.org/ontology/Agent] - predicates: ‘http://dbpedia.org/ontology/birthPlace’ objects: - mapping: City - predicates: ‘http://dbpedia.org/ontology/birthPlace’ objects: - mapping: Place ... City: subject: https://www.example.org/City/$(birth_city)/ predicateobjects: - [a, 'http://dbpedia.org/ontology/City'] - [a, 'http://dbpedia.org/ontology/location] ... Place: subject: https://www.example.org/City/$(birth_province)/ predicateobjects: - [a, 'http://dbpedia.org/ontology/Place] - [a, 'http://dbpedia.org/ontology/location] ... ✓
- 41.
- 42. 42 A bot forlinked data integration No need to be familiar with RDF Works for datasets on Opendatasoft platform Available on GitHub under MIT license
- 43. 43 Use Machine Learningto learn from user interactions Identify more classes and properties New user interface
- 44. 44 THANK YOU ! BenjaminMoreau @BenjMoreau Connected Data London 2019