AutoMap4OBDA: Automated generation of R2RML mappings for OBDA
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Álvaro Sicilia * & German Nemirovski** * ARC Enginyeria i Arquitectura La Salle, Universitat Ramon Llull, Barcelona, Spain [email protected] ** Business and Computer Science, Albstadt-Sigmaringen-University of Applied Sciences, Albstadt, Germany [email protected] AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA 20th International Conference on Knowledge Engineering and Knowledge Management 19-23 November 2016, Bologna, Italy
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Transcript of AutoMap4OBDA: Automated generation of R2RML mappings for OBDA
Álvaro Sicilia* & German Nemirovski**
* ARC Enginyeria i Arquitectura La Salle,Universitat Ramon Llull, Barcelona, [email protected]
** Business and Computer Science,Albstadt-Sigmaringen-University of Applied Sciences, Albstadt, [email protected]
AutoMap4OBDA: Automated Generation of R2RML
Mappings for OBDA
20th International Conference on Knowledge
Engineering and Knowledge Management
19-23 November 2016, Bologna, Italy
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Introduction
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Introduction
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Introduction
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
<mapping> a rr:TriplesMap;
rr:logicalTable
[ rr:sqlQuery "SELECT id FROM building"];
rr:subjectMap
[ rr:template ".../building/{id}";
rr:class ex:Building
].
<mapping> a rr:TriplesMap;
rr:logicalTable
[ rr:sqlQuery "SELECT id FROM building
WHERE use = 'Office'"];
rr:subjectMap
[ rr:template ".../officebuilding/{id}";
rr:class ex:OfficeBuilding
].
Introduction
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
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AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
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AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
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AutoMap4OBDA
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AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
𝐻 𝐼𝐷 :9.32
Max. class name length: 11
AutoMap4OBDA
𝐻 𝑈𝑠𝑒 : 4.12 𝐻 𝐴𝑑𝑑𝑟𝑒𝑠𝑠 : 2.15
𝐻 𝑂𝑛𝑡𝑜𝑙𝑜𝑔𝑦 : 5.31
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
{∅}
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
<mapping> a rr:TriplesMap;
rr:logicalTable [
rr:sqlQuery "SELECT a.id, d.id FROM
building AS a INNER JOIN Block AS b ON
a.fkBlock=b.id INNER JOIN District AS c ON
b.fkDistrict=c.id INNER JOIN City AS d ON
c.fkCity=d.id"];
rr:subjectMap
[ rr:template ".../building/{a.id}";
rr:class ex:Building
].
rr:predicateObjectMap [
rr:predicate ex:hasCity;
rr:template ".../city/{d.id}" ].
...
<mapping1> a rr:TriplesMap;
rr:logicalTable [
rr:sqlQuery "SELECT id FROM building"];
rr:subjectMap [
rr:template ".../building/{id}";
rr:class ex:Building ].
rr:predicateObjectMap [
rr:predicate ex:hasRoom;
rr:template ".../room/{id}" ].
<mapping2> a rr:TriplesMap;
rr:logicalTable
[ rr:sqlQuery "SELECT id FROM building"];
rr:subjectMap
[ rr:template ".../room/{id}";
rr:class ex:Room ].
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
<mapping2> a rr:TriplesMap;
rr:logicalTable[rr:sqlQuery "SELECT id,use FROM building"];
rr:subjectMap [
rr:template ".../building/{id}"; rr:class ex:Building].
rr:predicateObjectMap [ rr:predicate ex:hasUse;
rr:template ".../use/{use}" ].
rr:predicateObjectMap [rr:predicate ex:use;
rr:column "{use}" ].
AutoMap4OBDA
<mapping3> a rr:TriplesMap;
rr:logicalTable [rr:sqlQuery "SELECT id FROM building"];
rr:subjectMap [
rr:template ".../district/{id}"; rr:class ex:District].
<mapping4> a rr:TriplesMap;
rr:logicalTable [rr:sqlQuery "SELECT use FROM building"];
rr:subjectMap [
rr:template ".../use/{use}"; rr:class ex:Use].
rr:predicateObjectMap [rr:predicate ex:use;
rr:column "{use}" ].
<mapping1> a rr:TriplesMap;
rr:logicalTable [rr:sqlQuery "SELECT id FROM building"];
rr:subjectMap [
rr:template ".../building/{id}"; rr:class ex:Building].
rr:predicateObjectMap [ rr:predicate ex:hasDistrict;
rr:template ".../district/{id}" ].
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
AutoMap4OBDA
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Evaluation
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Evaluation
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Evaluation
Scenarios B.OX IncM. ontop MIRR. COMA D2RQ AM4O
Adjusted namingCMT 0.76 0.45 0.28 0.28 0.48 0.31 0.56
Conference 0.51 0.53 0.26 0.27 0.36 0.26 0.56
SIGKDD 0.86 0.76 0.38 0.30 0.66 0.38 0.86
RestructuredCMT 0.41 0.44 0.14 0.17 0.38 0.14 0.41
Conference 0.41 0.41 0.13 0.23 0.31 0.21 0.54
SIGKDD 0.52 0.38 0.21 0.11 0.41 0.28 0.72
Combined case SIGKDD 0.48 0.38 0.21 0.11 0.28 0.28 0.62
Missing FK Conference 0.33 0.41 - 0.17 0.21 0.18 0.49
Denormalized CMT 0.44 0.40 0.20 0.22 - 0.20 0.52
GeoData Classic Rel 0.13 0.08 - - - 0.06 0.44
Oil&Gas domain User Queries 0.00 0.00 0.00 0.00 - 0.00 0.00
Atomic 0.14 0.12 0.10 0.00 0.00 0.08 0.23
Target ontology: CMT
Conference 0.20 0.35 0.10 0.00 0.00 0.10 0.15
SIGKDD 0.33 0.33 0.19 0.00 0.14 0.19 0.38
Target ontology: Conference
CMT 0.20 0.34 0.05 0.00 0.05 0.05 0.39
SIGKDD 0.13 0.30 0.09 0.00 0.04 0.09 0.17
Target ontology: SIGKDD
CMT 0.51 0.57 0.19 0.00 0.24 0.26 0.41
Conference 0.24 0.44 0.13 0.00 0.09 0.14 0.19
Average of the tests 0.36 0.37 0.15 0.10 0.20 0.18 0.43
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Evaluation
Scenarios B.OX IncM. ontop MIRR. COMA D2RQ AM4O
Adjusted namingCMT 0.76 0.45 0.28 0.28 0.48 0.31 0.56
Conference 0.51 0.53 0.26 0.27 0.36 0.26 0.56
SIGKDD 0.86 0.76 0.38 0.30 0.66 0.38 0.86
RestructuredCMT 0.41 0.44 0.14 0.17 0.38 0.14 0.41
Conference 0.41 0.41 0.13 0.23 0.31 0.21 0.54
SIGKDD 0.52 0.38 0.21 0.11 0.41 0.28 0.72
Combined case SIGKDD 0.48 0.38 0.21 0.11 0.28 0.28 0.62
Missing FK Conference 0.33 0.41 - 0.17 0.21 0.18 0.49
Denormalized CMT 0.44 0.40 0.20 0.22 - 0.20 0.52
GeoData Classic Rel 0.13 0.08 - - - 0.06 0.44
Oil&Gas domain User Queries 0.00 0.00 0.00 0.00 - 0.00 0.00
Atomic 0.14 0.12 0.10 0.00 0.00 0.08 0.23
Target ontology: CMT
Conference 0.20 0.35 0.10 0.00 0.00 0.10 0.15
SIGKDD 0.33 0.33 0.19 0.00 0.14 0.19 0.38
Target ontology: Conference
CMT 0.20 0.34 0.05 0.00 0.05 0.05 0.39
SIGKDD 0.13 0.30 0.09 0.00 0.04 0.09 0.17
Target ontology: SIGKDD
CMT 0.51 0.57 0.19 0.00 0.24 0.26 0.41
Conference 0.24 0.44 0.13 0.00 0.09 0.14 0.19
Average of the tests 0.36 0.37 0.15 0.10 0.20 0.18 0.43
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AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Evaluation
Scenarios B.OX IncM. ontop MIRR. COMA D2RQ AM4O
Adjusted namingCMT 0.76 0.45 0.28 0.28 0.48 0.31 0.56
Conference 0.51 0.53 0.26 0.27 0.36 0.26 0.56
SIGKDD 0.86 0.76 0.38 0.30 0.66 0.38 0.86
RestructuredCMT 0.41 0.44 0.14 0.17 0.38 0.14 0.41
Conference 0.41 0.41 0.13 0.23 0.31 0.21 0.54
SIGKDD 0.52 0.38 0.21 0.11 0.41 0.28 0.72
Combined case SIGKDD 0.48 0.38 0.21 0.11 0.28 0.28 0.62
Missing FK Conference 0.33 0.41 - 0.17 0.21 0.18 0.49
Denormalized CMT 0.44 0.40 0.20 0.22 - 0.20 0.52
GeoData Classic Rel 0.13 0.08 - - - 0.06 0.44
Oil&Gas domain User Queries 0.00 0.00 0.00 0.00 - 0.00 0.00
Atomic 0.14 0.12 0.10 0.00 0.00 0.08 0.23
Target ontology: CMT
Conference 0.20 0.35 0.10 0.00 0.00 0.10 0.15
SIGKDD 0.33 0.33 0.19 0.00 0.14 0.19 0.38
Target ontology: Conference
CMT 0.20 0.34 0.05 0.00 0.05 0.05 0.39
SIGKDD 0.13 0.30 0.09 0.00 0.04 0.09 0.17
Target ontology: SIGKDD
CMT 0.51 0.57 0.19 0.00 0.24 0.26 0.41
Conference 0.24 0.44 0.13 0.00 0.09 0.14 0.19
Average of the tests 0.36 0.37 0.15 0.10 0.20 0.18 0.43
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Evaluation
Scenarios B.OX IncM. ontop MIRR. COMA D2RQ AM4O
Adjusted namingCMT 0.76 0.45 0.28 0.28 0.48 0.31 0.56
Conference 0.51 0.53 0.26 0.27 0.36 0.26 0.56
SIGKDD 0.86 0.76 0.38 0.30 0.66 0.38 0.86
RestructuredCMT 0.41 0.44 0.14 0.17 0.38 0.14 0.41
Conference 0.41 0.41 0.13 0.23 0.31 0.21 0.54
SIGKDD 0.52 0.38 0.21 0.11 0.41 0.28 0.72
Combined case SIGKDD 0.48 0.38 0.21 0.11 0.28 0.28 0.62
Missing FK Conference 0.33 0.41 - 0.17 0.21 0.18 0.49
Denormalized CMT 0.44 0.40 0.20 0.22 - 0.20 0.52
GeoData Classic Rel 0.13 0.08 - - - 0.06 0.44
Oil&Gas domain User Queries 0.00 0.00 0.00 0.00 - 0.00 0.00
Atomic 0.14 0.12 0.10 0.00 0.00 0.08 0.23
Target ontology: CMT
Conference 0.20 0.35 0.10 0.00 0.00 0.10 0.15
SIGKDD 0.33 0.33 0.19 0.00 0.14 0.19 0.38
Target ontology: Conference
CMT 0.20 0.34 0.05 0.00 0.05 0.05 0.39
SIGKDD 0.13 0.30 0.09 0.00 0.04 0.09 0.17
Target ontology: SIGKDD
CMT 0.51 0.57 0.19 0.00 0.24 0.26 0.41
Conference 0.24 0.44 0.13 0.00 0.09 0.14 0.19
Average of the tests 0.36 0.37 0.15 0.10 0.20 0.18 0.43
<mapping> a rr:TriplesMap;
rr:logicalTable
[ rr:sqlQuery "SELECT pipnpdidpipe FROM pipline WHERE
pipmedium = 'Oil'"];
rr:subjectMap
[ rr:template ".../ oilpipeline/{pipnpdidpipe}";
rr:class npd:OilPipeline ].
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Evaluation
Scenarios B.OX IncM. ontop MIRR. COMA D2RQ AM4O
Adjusted namingCMT 0.76 0.45 0.28 0.28 0.48 0.31 0.56
Conference 0.51 0.53 0.26 0.27 0.36 0.26 0.56
SIGKDD 0.86 0.76 0.38 0.30 0.66 0.38 0.86
RestructuredCMT 0.41 0.44 0.14 0.17 0.38 0.14 0.41
Conference 0.41 0.41 0.13 0.23 0.31 0.21 0.54
SIGKDD 0.52 0.38 0.21 0.11 0.41 0.28 0.72
Combined case SIGKDD 0.48 0.38 0.21 0.11 0.28 0.28 0.62
Missing FK Conference 0.33 0.41 - 0.17 0.21 0.18 0.49
Denormalized CMT 0.44 0.40 0.20 0.22 - 0.20 0.52
GeoData Classic Rel 0.13 0.08 - - - 0.06 0.44
Oil&Gas domain User Queries 0.00 0.00 0.00 0.00 - 0.00 0.00
Atomic 0.14 0.12 0.10 0.00 0.00 0.08 0.23
Target ontology: CMT
Conference 0.20 0.35 0.10 0.00 0.00 0.10 0.15
SIGKDD 0.33 0.33 0.19 0.00 0.14 0.19 0.38
Target ontology: Conference
CMT 0.20 0.34 0.05 0.00 0.05 0.05 0.39
SIGKDD 0.13 0.30 0.09 0.00 0.04 0.09 0.17
Target ontology: SIGKDD
CMT 0.51 0.57 0.19 0.00 0.24 0.26 0.41
Conference 0.24 0.44 0.13 0.00 0.09 0.14 0.19
Average of the tests 0.36 0.37 0.15 0.10 0.20 0.18 0.43
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Evaluation
Scenarios B.OX IncM. ontop MIRR. COMA D2RQ AM4O
Adjusted namingCMT 0.76 0.45 0.28 0.28 0.48 0.31 0.56
Conference 0.51 0.53 0.26 0.27 0.36 0.26 0.56
SIGKDD 0.86 0.76 0.38 0.30 0.66 0.38 0.86
RestructuredCMT 0.41 0.44 0.14 0.17 0.38 0.14 0.41
Conference 0.41 0.41 0.13 0.23 0.31 0.21 0.54
SIGKDD 0.52 0.38 0.21 0.11 0.41 0.28 0.72
Combined case SIGKDD 0.48 0.38 0.21 0.11 0.28 0.28 0.62
Missing FK Conference 0.33 0.41 - 0.17 0.21 0.18 0.49
Denormalized CMT 0.44 0.40 0.20 0.22 - 0.20 0.52
GeoData Classic Rel 0.13 0.08 - - - 0.06 0.44
Oil&Gas domain User Queries 0.00 0.00 0.00 0.00 - 0.00 0.00
Atomic 0.14 0.12 0.10 0.00 0.00 0.08 0.23
Target ontology: CMT
Conference 0.20 0.35 0.10 0.00 0.00 0.10 0.15
SIGKDD 0.33 0.33 0.19 0.00 0.14 0.19 0.38
Target ontology: Conference
CMT 0.20 0.34 0.05 0.00 0.05 0.05 0.39
SIGKDD 0.13 0.30 0.09 0.00 0.04 0.09 0.17
Target ontology: SIGKDD
CMT 0.51 0.57 0.19 0.00 0.24 0.26 0.41
Conference 0.24 0.44 0.13 0.00 0.09 0.14 0.19
Average of the tests 0.36 0.37 0.15 0.10 0.20 0.18 0.43
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Evaluation
ScenariosNumber of
tables
Number of
records
Number of
ontology classes
Avg Execution
time (s)
Adjusted naming
CMT 48 9,153 31 6.05
Conference 66 12,508 60 57.96
SIGKDD 58 6,677 50 9.14
Restructured
CMT 32 5,386 31 4.42
Conference 30 6,270 60 4.16
SIGKDD 22 4,352 50 2.42
Combined case SIGKDD 22 4,352 50 2.33
Missing FK Conference 30 6,270 60 3.04
Denormalized CMT 30 5,762 31 4.45
GeoData Classic Rel 38 26,904 51 24.30
Oil&Gas domainUser Queries 70 257,784 344 465.74
Atomic 70 257,784 344 434.40
Target ontology: CMTConference 32 5,386 60 2.94
SIGKDD 32 5,386 50 2.59
Target ontology: ConferenceCMT 30 6,270 31 2.17
SIGKDD 30 6,270 50 2.73
Target ontology: SIGKDDCMT 22 4,352 31 1.60
Conference 22 4,352 60 2.68
•
•
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Conclusions
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Conclusions
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
Future work
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge Engineering and Knowledge Management | 19-23 November 2016 | Bologna, Italy
References
Álvaro Sicilia* & German Nemirovski*** ARC Enginyeria i Arquitectura La Salle,Universitat Ramon Llull, Barcelona, [email protected]
** Business and Computer Science,Albstadt-Sigmaringen-University of Applied Sciences, Albstadt, [email protected]
AutoMap4OBDA: Automated Generation of R2RML Mappings for OBDA
20th International Conference on Knowledge
Engineering and Knowledge Management
19-23 November 2016, Bologna, Italy
Questions?
