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393 Publications
2015 | Conference Paper | LibreCat-ID: 29026
Automating RDF Dataset Transformation and Enrichment
M. Sherif, A.-C. Ngonga Ngomo, J. Lehmann, in: 12th Extended Semantic Web Conference, Portorož, Slovenia, 31st May - 4th June 2015, Springer, 2015.
LibreCat
M. Sherif, A.-C. Ngonga Ngomo, J. Lehmann, in: 12th Extended Semantic Web Conference, Portorož, Slovenia, 31st May - 4th June 2015, Springer, 2015.
2015 | Conference Paper | LibreCat-ID: 29033
An Optimization Approach for Load Balancing in Parallel Link Discovery
M. Sherif, A.-C. Ngonga Ngomo, in: SEMANTiCS 2015, 2015.
LibreCat
M. Sherif, A.-C. Ngonga Ngomo, in: SEMANTiCS 2015, 2015.
2015 | Book Chapter | LibreCat-ID: 29020
Managing Geospatial Linked Data in the GeoKnow Project
J. Lehmann, S. Athanasiou, A. Both, A. Garcia-Rojas, G. Giannopoulos, D. Hladky, K. Hoeffner, J. Jay Le Grange, A.-C. Ngonga Ngomo, M. Sherif, C. Stadler, M. Wauer, P. Westphal, V. Zaslawski, in: The Semantic Web in Earth and Space Science. Current Status and Future Directions, IOS Press, 2015, pp. 51–78.
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J. Lehmann, S. Athanasiou, A. Both, A. Garcia-Rojas, G. Giannopoulos, D. Hladky, K. Hoeffner, J. Jay Le Grange, A.-C. Ngonga Ngomo, M. Sherif, C. Stadler, M. Wauer, P. Westphal, V. Zaslawski, in: The Semantic Web in Earth and Space Science. Current Status and Future Directions, IOS Press, 2015, pp. 51–78.
2015 | Report | LibreCat-ID: 29019
The GeoKnow Handbook
J. Lehmann, S. Athanasiou, A. Both, L. Buehmann, A. Garcia-Rojas, G. Giannopoulos, D. Hladky, K. Hoeffner, J. Jay Le Grange, A.-C. Ngonga Ngomo, R. Pietzsch, R. Isele, M. Sherif, C. Stadler, M. Wauer, P. Westphal, The GeoKnow Handbook, 2015.
LibreCat
J. Lehmann, S. Athanasiou, A. Both, L. Buehmann, A. Garcia-Rojas, G. Giannopoulos, D. Hladky, K. Hoeffner, J. Jay Le Grange, A.-C. Ngonga Ngomo, R. Pietzsch, R. Isele, M. Sherif, C. Stadler, M. Wauer, P. Westphal, The GeoKnow Handbook, 2015.
2014 | Journal Article | LibreCat-ID: 25473
TopFed: TCGA Tailored Federated Query Processing and Linking to LOD
M. Saleem, S. S. Padmanabhuni, A.-C. Ngonga Ngomo, A. Iqbal, J. S. Almeida, S. Decker, H. F. Deus, J. Biomed. Semant. 5 (2014) 47.
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M. Saleem, S. S. Padmanabhuni, A.-C. Ngonga Ngomo, A. Iqbal, J. S. Almeida, S. Decker, H. F. Deus, J. Biomed. Semant. 5 (2014) 47.
2014 | Journal Article | LibreCat-ID: 25474
Big linked cancer data: Integrating linked TCGA and PubMed
M. Saleem, M. R. Kamdar, A. Iqbal, S. S. Padmanabhuni, H. F. Deus, A.-C. Ngonga Ngomo, J. Web Semant. 27–28 (2014) 34–41.
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M. Saleem, M. R. Kamdar, A. Iqbal, S. S. Padmanabhuni, H. F. Deus, A.-C. Ngonga Ngomo, J. Web Semant. 27–28 (2014) 34–41.
2014 | Conference Paper | LibreCat-ID: 25475
Overview of CLEF Question Answering Track 2014
A. Peñas, C. Unger, A.-C. Ngonga Ngomo, in: E. Kanoulas, M. Lupu, P. D. Clough, M. Sanderson, M. M. Hall, A. Hanbury, E. G. Toms (Eds.), Information Access Evaluation. Multilinguality, Multimodality, and Interaction - 5th International Conference of the {CLEF} Initiative, {CLEF} 2014, Sheffield, UK, September 15-18, 2014. Proceedings, Springer, 2014, pp. 300–306.
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A. Peñas, C. Unger, A.-C. Ngonga Ngomo, in: E. Kanoulas, M. Lupu, P. D. Clough, M. Sanderson, M. M. Hall, A. Hanbury, E. G. Toms (Eds.), Information Access Evaluation. Multilinguality, Multimodality, and Interaction - 5th International Conference of the {CLEF} Initiative, {CLEF} 2014, Sheffield, UK, September 15-18, 2014. Proceedings, Springer, 2014, pp. 300–306.
2014 | Conference Paper | LibreCat-ID: 25477
Question Answering over Linked Data (QALD-4)
C. Unger, C. Forascu, V. López, A.-C. Ngonga Ngomo, E. Cabrio, P. Cimiano, S. Walter, in: L. Cappellato, N. Ferro, M. Halvey, W. Kraaij (Eds.), Working Notes for {CLEF} 2014 Conference, Sheffield, UK, September 15-18, 2014, CEUR-WS.org, 2014, pp. 1172–1180.
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C. Unger, C. Forascu, V. López, A.-C. Ngonga Ngomo, E. Cabrio, P. Cimiano, S. Walter, in: L. Cappellato, N. Ferro, M. Halvey, W. Kraaij (Eds.), Working Notes for {CLEF} 2014 Conference, Sheffield, UK, September 15-18, 2014, CEUR-WS.org, 2014, pp. 1172–1180.
2014 | Conference Paper | LibreCat-ID: 25478
Results of the BioASQ Track of the Question Answering Lab at CLEF 2014
G. Balikas, I. Partalas, A.-C. Ngonga Ngomo, A. Krithara, G. Paliouras, in: L. Cappellato, N. Ferro, M. Halvey, W. Kraaij (Eds.), Working Notes for {CLEF} 2014 Conference, Sheffield, UK, September 15-18, 2014, CEUR-WS.org, 2014, pp. 1181–1193.
LibreCat
G. Balikas, I. Partalas, A.-C. Ngonga Ngomo, A. Krithara, G. Paliouras, in: L. Cappellato, N. Ferro, M. Halvey, W. Kraaij (Eds.), Working Notes for {CLEF} 2014 Conference, Sheffield, UK, September 15-18, 2014, CEUR-WS.org, 2014, pp. 1181–1193.
2014 | Conference Paper | LibreCat-ID: 25479
AGDISTIS - Agnostic Disambiguation of Named Entities Using Linked Open Data
R. Usbeck, A.-C. Ngonga Ngomo, M. Röder, D. Gerber, S. Athaide Coelho, S. Auer, A. Both, in: T. Schaub, G. Friedrich, B. O’Sullivan (Eds.), {ECAI} 2014 - 21st European Conference on Artificial Intelligence, 18-22 August 2014, Prague, Czech Republic - Including Prestigious Applications of Intelligent Systems {(PAIS} 2014), {IOS} Press, 2014, pp. 1113–1114.
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R. Usbeck, A.-C. Ngonga Ngomo, M. Röder, D. Gerber, S. Athaide Coelho, S. Auer, A. Both, in: T. Schaub, G. Friedrich, B. O’Sullivan (Eds.), {ECAI} 2014 - 21st European Conference on Artificial Intelligence, 18-22 August 2014, Prague, Czech Republic - Including Prestigious Applications of Intelligent Systems {(PAIS} 2014), {IOS} Press, 2014, pp. 1113–1114.
2014 | Conference Paper | LibreCat-ID: 25480
conTEXT - A Mashup Platform for Lightweight Text Analytics
A. Khalili, S. Auer, A.-C. Ngonga Ngomo, in: M. Stefanidakis, G. Di Fabbrizio, I. Papadakis (Eds.), Proceedings of the {AI} Mashup Challenge 2014 Co-Located with 11th Extended Semantic Web Conference {(ESWC} 2014), Crete, Greece, May 27, 2014, CEUR-WS.org, 2014.
LibreCat
A. Khalili, S. Auer, A.-C. Ngonga Ngomo, in: M. Stefanidakis, G. Di Fabbrizio, I. Papadakis (Eds.), Proceedings of the {AI} Mashup Challenge 2014 Co-Located with 11th Extended Semantic Web Conference {(ESWC} 2014), Crete, Greece, May 27, 2014, CEUR-WS.org, 2014.
2014 | Conference Paper | LibreCat-ID: 25481
HiBISCuS: Hypergraph-Based Source Selection for SPARQL Endpoint Federation
M. Saleem, A.-C. Ngonga Ngomo, in: V. Presutti, C. d’Amato, F. Gandon, M. d’Aquin, S. Staab, A. Tordai (Eds.), The Semantic Web: Trends and Challenges - 11th International Conference, {ESWC} 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, Springer, 2014, pp. 176–191.
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M. Saleem, A.-C. Ngonga Ngomo, in: V. Presutti, C. d’Amato, F. Gandon, M. d’Aquin, S. Staab, A. Tordai (Eds.), The Semantic Web: Trends and Challenges - 11th International Conference, {ESWC} 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, Springer, 2014, pp. 176–191.
2014 | Conference Paper | LibreCat-ID: 25482
Unsupervised Link Discovery through Knowledge Base Repair
A.-C. Ngonga Ngomo, M. Ahmed Sherif, K. Lyko, in: V. Presutti, C. d’Amato, F. Gandon, M. d’Aquin, S. Staab, A. Tordai (Eds.), The Semantic Web: Trends and Challenges - 11th International Conference, {ESWC} 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, Springer, 2014, pp. 380–394.
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A.-C. Ngonga Ngomo, M. Ahmed Sherif, K. Lyko, in: V. Presutti, C. d’Amato, F. Gandon, M. d’Aquin, S. Staab, A. Tordai (Eds.), The Semantic Web: Trends and Challenges - 11th International Conference, {ESWC} 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, Springer, 2014, pp. 380–394.
2014 | Conference Paper | LibreCat-ID: 25488
LinkLion: A Link Repository for the Web of Data
M. Nentwig, T. Soru, A.-C. Ngonga Ngomo, E. Rahm, in: V. Presutti, E. Blomqvist, R. Troncy, H. Sack, I. Papadakis, A. Tordai (Eds.), The Semantic Web: {ESWC} 2014 Satellite Events - {ESWC} 2014 Satellite Events, Anissaras, Crete, Greece, May 25-29, 2014, Revised Selected Papers, Springer, 2014, pp. 439–443.
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M. Nentwig, T. Soru, A.-C. Ngonga Ngomo, E. Rahm, in: V. Presutti, E. Blomqvist, R. Troncy, H. Sack, I. Papadakis, A. Tordai (Eds.), The Semantic Web: {ESWC} 2014 Satellite Events - {ESWC} 2014 Satellite Events, Anissaras, Crete, Greece, May 25-29, 2014, Revised Selected Papers, Springer, 2014, pp. 439–443.
2014 | Conference Paper | LibreCat-ID: 25489
Hybrid Acquisition of Temporal Scopes for RDF Data
A. Rula, M. Palmonari, A.-C. Ngonga Ngomo, D. Gerber, J. Lehmann, L. Bühmann, in: V. Presutti, C. d’Amato, F. Gandon, M. d’Aquin, S. Staab, A. Tordai (Eds.), The Semantic Web: Trends and Challenges - 11th International Conference, {ESWC} 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, Springer, 2014, pp. 488–503.
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A. Rula, M. Palmonari, A.-C. Ngonga Ngomo, D. Gerber, J. Lehmann, L. Bühmann, in: V. Presutti, C. d’Amato, F. Gandon, M. d’Aquin, S. Staab, A. Tordai (Eds.), The Semantic Web: Trends and Challenges - 11th International Conference, {ESWC} 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, Springer, 2014, pp. 488–503.
2014 | Conference Paper | LibreCat-ID: 25491
conTEXT - Lightweight Text Analytics Using Linked Data
A. Khalili, S. Auer, A.-C. Ngonga Ngomo, in: V. Presutti, C. d’Amato, F. Gandon, M. d’Aquin, S. Staab, A. Tordai (Eds.), The Semantic Web: Trends and Challenges - 11th International Conference, {ESWC} 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, Springer, 2014, pp. 628–643.
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A. Khalili, S. Auer, A.-C. Ngonga Ngomo, in: V. Presutti, C. d’Amato, F. Gandon, M. d’Aquin, S. Staab, A. Tordai (Eds.), The Semantic Web: Trends and Challenges - 11th International Conference, {ESWC} 2014, Anissaras, Crete, Greece, May 25-29, 2014. Proceedings, Springer, 2014, pp. 628–643.
2014 | Conference Paper | LibreCat-ID: 25492
A comparison of supervised learning classifiers for link discovery
T. Soru, A.-C. Ngonga Ngomo, in: H. Sack, A. Filipowska, J. Lehmann, S. Hellmann (Eds.), Proceedings of the 10th International Conference on Semantic Systems, {SEMANTICS} 2014, Leipzig, Germany, September 4-5, 2014, {ACM}, 2014, pp. 41–44.
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T. Soru, A.-C. Ngonga Ngomo, in: H. Sack, A. Filipowska, J. Lehmann, S. Hellmann (Eds.), Proceedings of the 10th International Conference on Semantic Systems, {SEMANTICS} 2014, Leipzig, Germany, September 4-5, 2014, {ACM}, 2014, pp. 41–44.
2014 | Conference Paper | LibreCat-ID: 25493
Towards an open question answering architecture
E. Marx, R. Usbeck, A.-C. Ngonga Ngomo, K. Höffner, J. Lehmann, S. Auer, in: H. Sack, A. Filipowska, J. Lehmann, S. Hellmann (Eds.), Proceedings of the 10th International Conference on Semantic Systems, {SEMANTICS} 2014, Leipzig, Germany, September 4-5, 2014, {ACM}, 2014, pp. 57–60.
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E. Marx, R. Usbeck, A.-C. Ngonga Ngomo, K. Höffner, J. Lehmann, S. Auer, in: H. Sack, A. Filipowska, J. Lehmann, S. Hellmann (Eds.), Proceedings of the 10th International Conference on Semantic Systems, {SEMANTICS} 2014, Leipzig, Germany, September 4-5, 2014, {ACM}, 2014, pp. 57–60.
2014 | Conference Paper | LibreCat-ID: 25495
A service-oriented search framework for full text, geospatial and semantic search
A. Both, A.-C. Ngonga Ngomo, R. Usbeck, D. Lukovnikov, C. Lemke, M. Speicher, in: H. Sack, A. Filipowska, J. Lehmann, S. Hellmann (Eds.), Proceedings of the 10th International Conference on Semantic Systems, {SEMANTICS} 2014, Leipzig, Germany, September 4-5, 2014, {ACM}, 2014, pp. 65–72.
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A. Both, A.-C. Ngonga Ngomo, R. Usbeck, D. Lukovnikov, C. Lemke, M. Speicher, in: H. Sack, A. Filipowska, J. Lehmann, S. Hellmann (Eds.), Proceedings of the 10th International Conference on Semantic Systems, {SEMANTICS} 2014, Leipzig, Germany, September 4-5, 2014, {ACM}, 2014, pp. 65–72.
2014 | Conference Paper | LibreCat-ID: 25498
A tool suite for creating question answering benchmarks
A.-C. Ngonga Ngomo, N. Heino, R. Speck, P. Malakasiotis, in: N. Calzolari, K. Choukri, T. Declerck, H. Loftsson, B. Maegaard, J. Mariani, A. Moreno, J. Odijk, S. Piperidis (Eds.), Proceedings of the Ninth International Conference on Language Resources and Evaluation, {LREC} 2014, Reykjavik, Iceland, May 26-31, 2014, European Language Resources Association {(ELRA)}, 2014, pp. 2621–2628.
LibreCat
A.-C. Ngonga Ngomo, N. Heino, R. Speck, P. Malakasiotis, in: N. Calzolari, K. Choukri, T. Declerck, H. Loftsson, B. Maegaard, J. Mariani, A. Moreno, J. Odijk, S. Piperidis (Eds.), Proceedings of the Ninth International Conference on Language Resources and Evaluation, {LREC} 2014, Reykjavik, Iceland, May 26-31, 2014, European Language Resources Association {(ELRA)}, 2014, pp. 2621–2628.