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2270 Publications
2018 | Conference Paper | LibreCat-ID: 26604
CostFed: Cost-Based Query Optimization for SPARQL Endpoint Federation
M. Saleem, A. Potocki, T. Soru, O. Hartig, A.-C. Ngonga Ngomo, in: A. Fensel, V. de Boer, T. Pellegrini, E. Kiesling, B. Haslhofer, L. Hollink, A. Schindler (Eds.), Proceedings of the 14th International Conference on Semantic Systems, {SEMANTICS} 2018, Vienna, Austria, September 10-13, 2018, Elsevier, 2018, pp. 163–174.
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M. Saleem, A. Potocki, T. Soru, O. Hartig, A.-C. Ngonga Ngomo, in: A. Fensel, V. de Boer, T. Pellegrini, E. Kiesling, B. Haslhofer, L. Hollink, A. Schindler (Eds.), Proceedings of the 14th International Conference on Semantic Systems, {SEMANTICS} 2018, Vienna, Austria, September 10-13, 2018, Elsevier, 2018, pp. 163–174.
2018 | Conference Paper | LibreCat-ID: 26605
Efficiently Pinpointing SPARQL Query Containments
C. Stadler, M. Saleem, A.-C. Ngonga Ngomo, J. Lehmann, in: T. Mikkonen, R. Klamma, J. Hernández (Eds.), Web Engineering - 18th International Conference, {ICWE} 2018, C{\’{a}}ceres, Spain, June 5-8, 2018, Proceedings, Springer, 2018, pp. 210–224.
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C. Stadler, M. Saleem, A.-C. Ngonga Ngomo, J. Lehmann, in: T. Mikkonen, R. Klamma, J. Hernández (Eds.), Web Engineering - 18th International Conference, {ICWE} 2018, C{\’{a}}ceres, Spain, June 5-8, 2018, Proceedings, Springer, 2018, pp. 210–224.
2018 | Conference Paper | LibreCat-ID: 26606
Discovering and Linking Spatio-Temporal Big Linked Data
C. Zinke, A.-C. Ngonga Ngomo, in: 2018 {IEEE} International Geoscience and Remote Sensing Symposium, {IGARSS} 2018, Valencia, Spain, July 22-27, 2018, {IEEE}, 2018, pp. 411–414.
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C. Zinke, A.-C. Ngonga Ngomo, in: 2018 {IEEE} International Geoscience and Remote Sensing Symposium, {IGARSS} 2018, Valencia, Spain, July 22-27, 2018, {IEEE}, 2018, pp. 411–414.
2018 | Conference Paper | LibreCat-ID: 26607
BENGAL: An Automatic Benchmark Generator for Entity Recognition and Linking
A.-C. Ngonga Ngomo, M. Röder, D. Moussallem, R. Usbeck, R. Speck, in: E. Krahmer, A. Gatt, M. Goudbeek (Eds.), Proceedings of the 11th International Conference on Natural Language Generation, Tilburg University, The Netherlands, November 5-8, 2018, Association for Computational Linguistics, 2018, pp. 339–349.
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A.-C. Ngonga Ngomo, M. Röder, D. Moussallem, R. Usbeck, R. Speck, in: E. Krahmer, A. Gatt, M. Goudbeek (Eds.), Proceedings of the 11th International Conference on Natural Language Generation, Tilburg University, The Netherlands, November 5-8, 2018, Association for Computational Linguistics, 2018, pp. 339–349.
2018 | Conference Paper | LibreCat-ID: 26608
RDF2PT: Generating Brazilian Portuguese Texts from RDF Data
D. Moussallem, T. Castro Ferreira, M. Zampieri, M. Cláudia Cavalcanti, G. Xexéo, M. L. Neves, A.-C. Ngonga Ngomo, in: N. Calzolari, K. Choukri, C. Cieri, T. Declerck, S. Goggi, K. Hasida, H. Isahara, B. Maegaard, J. Mariani, H. Mazo, A. Moreno, J. Odijk, S. Piperidis, T. Tokunaga (Eds.), Proceedings of the Eleventh International Conference on Language Resources and Evaluation, {LREC} 2018, Miyazaki, Japan, May 7-12, 2018, European Language Resources Association {(ELRA)}, 2018.
LibreCat
D. Moussallem, T. Castro Ferreira, M. Zampieri, M. Cláudia Cavalcanti, G. Xexéo, M. L. Neves, A.-C. Ngonga Ngomo, in: N. Calzolari, K. Choukri, C. Cieri, T. Declerck, S. Goggi, K. Hasida, H. Isahara, B. Maegaard, J. Mariani, H. Mazo, A. Moreno, J. Odijk, S. Piperidis, T. Tokunaga (Eds.), Proceedings of the Eleventh International Conference on Language Resources and Evaluation, {LREC} 2018, Miyazaki, Japan, May 7-12, 2018, European Language Resources Association {(ELRA)}, 2018.
2018 | Conference Paper | LibreCat-ID: 26609
LIdioms: A Multilingual Linked Idioms Data Set
D. Moussallem, M. Ahmed Sherif, D. Esteves, M. Zampieri, A.-C. Ngonga Ngomo, in: N. Calzolari, K. Choukri, C. Cieri, T. Declerck, S. Goggi, K. Hasida, H. Isahara, B. Maegaard, J. Mariani, H. Mazo, A. Moreno, J. Odijk, S. Piperidis, T. Tokunaga (Eds.), Proceedings of the Eleventh International Conference on Language Resources and Evaluation, {LREC} 2018, Miyazaki, Japan, May 7-12, 2018, European Language Resources Association {(ELRA)}, 2018.
LibreCat
D. Moussallem, M. Ahmed Sherif, D. Esteves, M. Zampieri, A.-C. Ngonga Ngomo, in: N. Calzolari, K. Choukri, C. Cieri, T. Declerck, S. Goggi, K. Hasida, H. Isahara, B. Maegaard, J. Mariani, H. Mazo, A. Moreno, J. Odijk, S. Piperidis, T. Tokunaga (Eds.), Proceedings of the Eleventh International Conference on Language Resources and Evaluation, {LREC} 2018, Miyazaki, Japan, May 7-12, 2018, European Language Resources Association {(ELRA)}, 2018.
2018 | Conference Paper | LibreCat-ID: 26610
A Decentralized Architecture for SPARQL Query Processing and RDF Sharing: A Position Paper
E. Marx, M. Saleem, I. Lytra, A.-C. Ngonga Ngomo, in: 12th {IEEE} International Conference on Semantic Computing, {ICSC} 2018, Laguna Hills, CA, USA, January 31 - February 2, 2018, {IEEE} Computer Society, 2018, pp. 274–277.
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E. Marx, M. Saleem, I. Lytra, A.-C. Ngonga Ngomo, in: 12th {IEEE} International Conference on Semantic Computing, {ICSC} 2018, Laguna Hills, CA, USA, January 31 - February 2, 2018, {IEEE} Computer Society, 2018, pp. 274–277.
2018 | Conference Paper | LibreCat-ID: 26611
Generating SPARQL Query Containment Benchmarks Using the SQCFramework
M. Saleem, Q. Mehmood, C. Stadler, J. Lehmann, A.-C. Ngonga Ngomo, in: M. van Erp, M. Atre, V. López, K. Srinivas, C. Fortuna (Eds.), Proceedings of the {ISWC} 2018 Posters {\&} Demonstrations, Industry and Blue Sky Ideas Tracks Co-Located with 17th International Semantic Web Conference {(ISWC} 2018), Monterey, USA, October 8th - to - 12th, 2018, CEUR-WS.org, 2018.
LibreCat
M. Saleem, Q. Mehmood, C. Stadler, J. Lehmann, A.-C. Ngonga Ngomo, in: M. van Erp, M. Atre, V. López, K. Srinivas, C. Fortuna (Eds.), Proceedings of the {ISWC} 2018 Posters {\&} Demonstrations, Industry and Blue Sky Ideas Tracks Co-Located with 17th International Semantic Web Conference {(ISWC} 2018), Monterey, USA, October 8th - to - 12th, 2018, CEUR-WS.org, 2018.
2018 | Conference Paper | LibreCat-ID: 26612
Extending LargeRDFBench for Multi-Source Data at Scale for SPARQL Endpoint Federation
A. Hasnain, M. Saleem, A.-C. Ngonga Ngomo, D. Rebholz-Schuhmann, in: T. Liebig, A. Fokoue, Z. Wu (Eds.), Proceedings of the 12th International Workshop on Scalable Semantic Web Knowledge Base Systems Co-Located with 17th International Semantic Web Conference, SSWS@ISWC 2018, Monterey, California, USA, October 9, 2018, CEUR-WS.org, 2018, pp. 28–44.
LibreCat
A. Hasnain, M. Saleem, A.-C. Ngonga Ngomo, D. Rebholz-Schuhmann, in: T. Liebig, A. Fokoue, Z. Wu (Eds.), Proceedings of the 12th International Workshop on Scalable Semantic Web Knowledge Base Systems Co-Located with 17th International Semantic Web Conference, SSWS@ISWC 2018, Monterey, California, USA, October 9, 2018, CEUR-WS.org, 2018, pp. 28–44.
2018 | Conference Paper | LibreCat-ID: 26613
Introducing the HOBBIT platform into the ontology alignment evaluation campaign
E. Jiménez-Ruiz, T. Saveta, O. Zamazal, S. Hertling, M. Röder, I. Fundulaki, A.-C. Ngonga Ngomo, M. Ahmed Sherif, A. Annane, Z. Bellahsene, S. Ben Yahia, G. Diallo, D. Faria, M. Kachroudi, A. Khiat, P. Lambrix, H. Li, M. Mackeprang, M. Mohammadi, M. Rybinski, B. Sowkarthiga Balasubramani, C. Trojahn, in: P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, M. Cheatham, O. Hassanzadeh (Eds.), Proceedings of the 13th International Workshop on Ontology Matching Co-Located with the 17th International Semantic Web Conference, OM@ISWC 2018, Monterey, CA, USA, October 8, 2018, CEUR-WS.org, 2018, pp. 49–60.
LibreCat
E. Jiménez-Ruiz, T. Saveta, O. Zamazal, S. Hertling, M. Röder, I. Fundulaki, A.-C. Ngonga Ngomo, M. Ahmed Sherif, A. Annane, Z. Bellahsene, S. Ben Yahia, G. Diallo, D. Faria, M. Kachroudi, A. Khiat, P. Lambrix, H. Li, M. Mackeprang, M. Mohammadi, M. Rybinski, B. Sowkarthiga Balasubramani, C. Trojahn, in: P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, M. Cheatham, O. Hassanzadeh (Eds.), Proceedings of the 13th International Workshop on Ontology Matching Co-Located with the 17th International Semantic Web Conference, OM@ISWC 2018, Monterey, CA, USA, October 8, 2018, CEUR-WS.org, 2018, pp. 49–60.
2018 | Conference Paper | LibreCat-ID: 26614
8th Challenge on Question Answering over Linked Data (QALD-8) (invited paper)
R. Usbeck, A.-C. Ngonga Ngomo, F. Conrads, M. Röder, G. Napolitano, in: K.-S. Choi, L. Espinosa Anke, T. Declerck, D. Gromann, J.-D. Kim, A.-C. Ngonga Ngomo, M. Saleem, R. Usbeck (Eds.), Joint Proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data {(NLIWOD-4)} and 9th Question Answering over Linked Data Challenge {(QALD-9)} Co-Located with 17th International Semantic Web Conference {(ISWC} 2018), Monterey, California, United States of America, October 8th - 9th, 2018, CEUR-WS.org, 2018, pp. 51–57.
LibreCat
R. Usbeck, A.-C. Ngonga Ngomo, F. Conrads, M. Röder, G. Napolitano, in: K.-S. Choi, L. Espinosa Anke, T. Declerck, D. Gromann, J.-D. Kim, A.-C. Ngonga Ngomo, M. Saleem, R. Usbeck (Eds.), Joint Proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data {(NLIWOD-4)} and 9th Question Answering over Linked Data Challenge {(QALD-9)} Co-Located with 17th International Semantic Web Conference {(ISWC} 2018), Monterey, California, United States of America, October 8th - 9th, 2018, CEUR-WS.org, 2018, pp. 51–57.
2018 | Conference Paper | LibreCat-ID: 26615
9th Challenge on Question Answering over Linked Data (QALD-9) (invited paper)
R. Usbeck, R. Hari Gusmita, A.-C. Ngonga Ngomo, M. Saleem, in: K.-S. Choi, L. Espinosa Anke, T. Declerck, D. Gromann, J.-D. Kim, A.-C. Ngonga Ngomo, M. Saleem, R. Usbeck (Eds.), Joint Proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data {(NLIWOD-4)} and 9th Question Answering over Linked Data Challenge {(QALD-9)} Co-Located with 17th International Semantic Web Conference {(ISWC} 2018), Monterey, California, United States of America, October 8th - 9th, 2018, CEUR-WS.org, 2018, pp. 58–64.
LibreCat
R. Usbeck, R. Hari Gusmita, A.-C. Ngonga Ngomo, M. Saleem, in: K.-S. Choi, L. Espinosa Anke, T. Declerck, D. Gromann, J.-D. Kim, A.-C. Ngonga Ngomo, M. Saleem, R. Usbeck (Eds.), Joint Proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data {(NLIWOD-4)} and 9th Question Answering over Linked Data Challenge {(QALD-9)} Co-Located with 17th International Semantic Web Conference {(ISWC} 2018), Monterey, California, United States of America, October 8th - 9th, 2018, CEUR-WS.org, 2018, pp. 58–64.
2018 | Conference Paper | LibreCat-ID: 26616
RADON2 - a buffered-intersection matrix computing approach to accelerate link discovery over geo-spatial RDF knowledge bases: OAEI2018 results
A. Fathi Ahmed, M. Ahmed Sherif, A.-C. Ngonga Ngomo, in: P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, M. Cheatham, O. Hassanzadeh (Eds.), Proceedings of the 13th International Workshop on Ontology Matching Co-Located with the 17th International Semantic Web Conference, OM@ISWC 2018, Monterey, CA, USA, October 8, 2018, CEUR-WS.org, 2018, pp. 197–204.
LibreCat
A. Fathi Ahmed, M. Ahmed Sherif, A.-C. Ngonga Ngomo, in: P. Shvaiko, J. Euzenat, E. Jiménez-Ruiz, M. Cheatham, O. Hassanzadeh (Eds.), Proceedings of the 13th International Workshop on Ontology Matching Co-Located with the 17th International Semantic Web Conference, OM@ISWC 2018, Monterey, CA, USA, October 8, 2018, CEUR-WS.org, 2018, pp. 197–204.
2018 | Conference Paper | LibreCat-ID: 26617
Extending LargeRDFBench for Multi-Source Data at Scale for SPARQL Endpoint Federation
A. Hasnain, M. Saleem, A.-C. Ngonga Ngomo, D. Rebholz-Schuhmann, in: E. Demidova, A. Zaveri, E. Simperl (Eds.), Emerging Topics in Semantic Technologies - {ISWC} 2018 Satellite Events [Best Papers from 13 of the Workshops Co-Located with the {ISWC} 2018 Conference], {IOS} Press, 2018, pp. 203–218.
LibreCat
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A. Hasnain, M. Saleem, A.-C. Ngonga Ngomo, D. Rebholz-Schuhmann, in: E. Demidova, A. Zaveri, E. Simperl (Eds.), Emerging Topics in Semantic Technologies - {ISWC} 2018 Satellite Events [Best Papers from 13 of the Workshops Co-Located with the {ISWC} 2018 Conference], {IOS} Press, 2018, pp. 203–218.
2018 | Conference Paper | LibreCat-ID: 26618
SPgen : A Benchmark Generator for Spatial Link Discovery Tools
T. Saveta, I. Fundulaki, G. Flouris, A.-C. Ngonga Ngomo, in: D. Vrandecic, K. Bontcheva, M. Carmen Suárez-Figueroa, V. Presutti, I. Celino, M. Sabou, L.-A. Kaffee, E. Simperl (Eds.), The Semantic Web - {ISWC} 2018 - 17th International Semantic Web Conference, Monterey, CA, USA, October 8-12, 2018, Proceedings, Part {I}, Springer, 2018, pp. 408–423.
LibreCat
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T. Saveta, I. Fundulaki, G. Flouris, A.-C. Ngonga Ngomo, in: D. Vrandecic, K. Bontcheva, M. Carmen Suárez-Figueroa, V. Presutti, I. Celino, M. Sabou, L.-A. Kaffee, E. Simperl (Eds.), The Semantic Web - {ISWC} 2018 - 17th International Semantic Web Conference, Monterey, CA, USA, October 8-12, 2018, Proceedings, Part {I}, Springer, 2018, pp. 408–423.
2018 | Conference Paper | LibreCat-ID: 26619
Enhancing Community Interactions with Data-Driven Chatbots-The DBpedia Chatbot
R. G. Athreya, A.-C. Ngonga Ngomo, R. Usbeck, in: P.-A. Champin, F. Gandon, M. Lalmas, P. G. Ipeirotis (Eds.), Companion of the The Web Conference 2018 on The Web Conference 2018, {WWW} 2018, Lyon , France, April 23-27, 2018, {ACM}, 2018, pp. 143–146.
LibreCat
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R. G. Athreya, A.-C. Ngonga Ngomo, R. Usbeck, in: P.-A. Champin, F. Gandon, M. Lalmas, P. G. Ipeirotis (Eds.), Companion of the The Web Conference 2018 on The Web Conference 2018, {WWW} 2018, Lyon , France, April 23-27, 2018, {ACM}, 2018, pp. 143–146.
2018 | Conference (Editor) | LibreCat-ID: 26620
Proceedings of the 3rd International Workshop on Geospatial Linked Data and the 2nd Workshop on Querying the Web of Data co-located with 15th Extended Semantic Web Conference (ESWC 2018), Heraklion, Greece, June 3, 2018
M. Wauer, M. Ahmed Sherif, M. Saleem, O. Hartig, R. Usbeck, R. Verborgh, A.-C. Ngonga Ngomo, eds., Proceedings of the 3rd International Workshop on Geospatial Linked Data and the 2nd Workshop on Querying the Web of Data Co-Located with 15th Extended Semantic Web Conference (ESWC 2018), Heraklion, Greece, June 3, 2018, CEUR-WS.org, 2018.
LibreCat
M. Wauer, M. Ahmed Sherif, M. Saleem, O. Hartig, R. Usbeck, R. Verborgh, A.-C. Ngonga Ngomo, eds., Proceedings of the 3rd International Workshop on Geospatial Linked Data and the 2nd Workshop on Querying the Web of Data Co-Located with 15th Extended Semantic Web Conference (ESWC 2018), Heraklion, Greece, June 3, 2018, CEUR-WS.org, 2018.
2018 | Conference (Editor) | LibreCat-ID: 26621
Joint proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data (NLIWOD-4) and 9th Question Answering over Linked Data challenge (QALD-9) co-located with 17th International Semantic Web Conference (ISWC 2018), Monterey, California, United States of America, October 8th - 9th, 2018
K.-S. Choi, L. Espinosa Anke, T. Declerck, D. Gromann, J.-D. Kim, A.-C. Ngonga Ngomo, M. Saleem, R. Usbeck, eds., Joint Proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data (NLIWOD-4) and 9th Question Answering over Linked Data Challenge (QALD-9) Co-Located with 17th International Semantic Web Conference (ISWC 2018), Monterey, California, United States of America, October 8th - 9th, 2018, CEUR-WS.org, 2018.
LibreCat
K.-S. Choi, L. Espinosa Anke, T. Declerck, D. Gromann, J.-D. Kim, A.-C. Ngonga Ngomo, M. Saleem, R. Usbeck, eds., Joint Proceedings of the 4th Workshop on Semantic Deep Learning (SemDeep-4) and NLIWoD4: Natural Language Interfaces for the Web of Data (NLIWOD-4) and 9th Question Answering over Linked Data Challenge (QALD-9) Co-Located with 17th International Semantic Web Conference (ISWC 2018), Monterey, California, United States of America, October 8th - 9th, 2018, CEUR-WS.org, 2018.
2018 | Journal Article | LibreCat-ID: 26622
Beyond Markov Logic: Efficient Mining of Prediction Rules in Large Graphs
T. Soru, A. Valdestilhas, E. Marx, A.-C. Ngonga Ngomo, CoRR abs/1802.03638 (2018).
LibreCat
T. Soru, A. Valdestilhas, E. Marx, A.-C. Ngonga Ngomo, CoRR abs/1802.03638 (2018).
2018 | Journal Article | LibreCat-ID: 26623
LIDIOMS: A Multilingual Linked Idioms Data Set
D. Moussallem, M. Ahmed Sherif, D. Esteves, M. Zampieri, A.-C. Ngonga Ngomo, CoRR abs/1802.08148 (2018).
LibreCat
D. Moussallem, M. Ahmed Sherif, D. Esteves, M. Zampieri, A.-C. Ngonga Ngomo, CoRR abs/1802.08148 (2018).