Publications

You can find a list of completed Phd theses here.

441 entries « 1 of 9 »

2021

Musyaffa, Fathoni Arief

Comparative Analysis of Open Linked Fiscal Data PhD Thesis

Rheinische Friedrich-Wilhelms-Universität Bonn, 2021.

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Mousavinezhad, Najmeh

Knowledge Extraction Methods for the Analysis of Contractual Agreements PhD Thesis

Rheinische Friedrich-Wilhelms-Universität Bonn, 2021.

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Fathalla, Said

Towards Facilitating Scholarly Communication using Semantic Technologies PhD Thesis

Rheinische Friedrich-Wilhelms-Universität Bonn, 2021.

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Dubey, Mohnish

Towards Complex Question Answering over Knowledge Graphs PhD Thesis

University of Bonn , 2021.

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Oliveira, Italo Lopes; Fileto, Renato; Speck, René; Garcia, Lu'is Paulo F.; Moussallem, Diego; Lehmann, Jens

Towards holistic Entity Linking: Survey and directions Journal Article

In: Inf. Syst., 95 , pp. 101624, 2021.

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Mami, Mohamed Nadjib

Strategies for a Semantified Uniform Access to Large and Heterogeneous Data Sources PhD Thesis

Rheinische Friedrich-Wilhelms-Universität Bonn, 2021.

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Thakker, Harsh Vrajeshkumar

On Supporting Interoperability between RDF and Property Graph Databases PhD Thesis

Rheinische Friedrich-Wilhelms-Universität Bonn, 2021.

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Nayyeri, Mojtaba; Vahdati, Sahar; Aykul, Can; Lehmann, Jens

5ast Knowledge Graph Embeddings with Projective Transformations Inproceedings

In: Thirty-Fifth AAAI Conference on Artificial Intelligence, AAAI 2021, Thirty-Third Conference on Innovative Applications of Artificial Intelligence, IAAI 2021, The Eleventh Symposium on Educational Advances in Artificial Intelligence, EAAI 2021, Virtual Event, February 2-9, 2021, pp. 9064–9072, AAAI Press, 2021.

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Guluzade, Aynur; Kacupaj, Endri; Maleshkova, Maria

Demographic Aware Probabilistic Medical Knowledge Graph Embeddings of Electronic Medical Records Inproceedings

In: Artificial Intelligence in Medicine - 19th International Conference on Artificial Intelligence in Medicine, AIME 2021, Virtual Event, June 15-18, 2021, Proceedings, pp. 408–417, Springer, 2021.

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Kacupaj, Endri; Plepi, Joan; Singh, Kuldeep; Thakkar, Harsh; Lehmann, Jens; Maleshkova, Maria

Conversational Question Answering over Knowledge Graphs with Transformer and Graph Attention Networks Inproceedings

In: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, EACL 2021, Online, April 19 - 23, 2021, pp. 850–862, Association for Computational Linguistics, 2021.

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Ravi, Manoj Prabhakar Kannan; Singh, Kuldeep; Mulang, Isaiah Onando; Shekarpour, Saeedeh; Hoffart, Johannes; Lehmann, Jens

CHOLAN: A Modular Approach for Neural Entity Linking on Wikipedia and Wikidata Inproceedings

In: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume, EACL 2021, Online, April 19 - 23, 2021, pp. 504–514, Association for Computational Linguistics, 2021.

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Chaudhuri, Debanjan; Rony, Md. Rashad Al Hasan; Lehmann, Jens

Grounding Dialogue Systems via Knowledge Graph Aware Decoding with Pre-trained Transformers Inproceedings

In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings, pp. 323–339, Springer, 2021.

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Kacupaj, Endri; Banerjee, Barshana; Singh, Kuldeep; Lehmann, Jens

ParaQA: A Question Answering Dataset with Paraphrase Responses for Single-Turn Conversation Inproceedings

In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings, pp. 598–613, Springer, 2021.

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Plepi, Joan; Kacupaj, Endri; Singh, Kuldeep; Thakkar, Harsh; Lehmann, Jens

Context Transformer with Stacked Pointer Networks for Conversational Question Answering over Knowledge Graphs Inproceedings

In: The Semantic Web - 18th International Conference, ESWC 2021, Virtual Event, June 6-10, 2021, Proceedings, pp. 356–371, Springer, 2021.

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Tavakoli, MohammadReza; Elias, Mirette; Kismihók, Gábor; Auer, Sören

Metadata Analysis of Open Educational Resources Inproceedings

In: LAKtextquotesingle 21: 11th International Learning Analytics and Knowledge Conference, Irvine, CA, USA, April 12-16, 2021, pp. 626–631, ACM, 2021.

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Xu, Chengjin; Chen, Yung-Yu; Nayyeri, Mojtaba; Lehmann, Jens

Temporal Knowledge Graph Completion using a Linear Temporal Regularizer and Multivector Embeddings Inproceedings

In: Proceedings of the 2021 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, NAACL-HLT 2021, Online, June 6-11, 2021, pp. 2569–2578, Association for Computational Linguistics, 2021.

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Nayyeri, Mojtaba; Xu, Chengjin; Yaghoobzadeh, Yadollah; Vahdati, Sahar; Alam, Mirza Mohtashim; Yazdi, Hamed Shariat; Lehmann, Jens

Loss-Aware Pattern Inference: A Correction on the Wrongly Claimed Limitations of Embedding Models Inproceedings

In: Advances in Knowledge Discovery and Data Mining - 25th Pacific-Asia Conference, PAKDD 2021, Virtual Event, May 11-14, 2021, Proceedings, Part III, pp. 77–89, Springer, 2021.

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Athreya, Ram G.; Bansal, Srividya; Ngomo, Axel-Cyrille Ngonga; Usbeck, Ricardo

Template-based Question Answering using Recursive Neural Networks Inproceedings

In: 15th IEEE International Conference on Semantic Computing, ICSC 2021, Laguna Hills, CA, USA, January 27-29, 2021, pp. 195–198, IEEE, 2021.

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Elahi, Mehdi; Moghaddam, Farshad Bakhshandegan; Hosseini, Reza; Rimaz, Mohammad Hossein; Ioini, Nabil El; Tkalcic, Marko; Trattner, Christoph; Tillo, Tammam

Recommending Videos in Cold Start With Automatic Visual Tags Inproceedings

In: Adjunct Publication of the 29th ACM Conference on User Modeling, Adaptation and Personalization, UMAP 2021, Utrecht, The Netherlands, June 21-25, 2021, pp. 54–60, ACM, 2021.

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Bastos, Anson; Nadgeri, Abhishek; Singh, Kuldeep; Mulang, Isaiah Onando; Shekarpour, Saeedeh; Hoffart, Johannes; Kaul, Manohar

RECON: Relation Extraction using Knowledge Graph Context in a Graph Neural Network Inproceedings

In: WWW textquotesingle 21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021, pp. 1673–1685, ACM / IW3C2, 2021.

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Ali, Mohamed Hassan Mohamed; Fathalla, Said; Kholief, Mohamed; Hassan, Yasser Fouad

Learning Non-Taxonomic Relations of Ontologies: A Systematic Review Journal Article

In: Int. J. Semantic Web Inf. Syst., 17 (1), pp. 97–122, 2021.

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Adamczak, Jens; Deldjoo, Yashar; Moghaddam, Farshad Bakhshandegan; Knees, Peter; Leyson, Gerard Paul; Monreal, Philipp

Session-based Hotel Recommendations Dataset: As part of the ACM Recommender System Challenge 2019 Journal Article

In: ACM Trans. Intell. Syst. Technol., 12 (1), pp. 1:1–1:20, 2021.

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2020

Sejdiu, Gezim

Efficient Distributed In-Memory Processing of RDF Datasets PhD Thesis

Rheinische Friedrich-Wilhelms-Universität Bonn, 2020.

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Zafartavanaelmi, Hamid

Semantic Question Answering Over Knowledge Graphs: Pitfalls and Pearls PhD Thesis

University of Bonn, 2020.

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Höffner, Konrad

Question Answering on RDF Data Cubes PhD Thesis

University of Leipzig, 2020.

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Fathalla, Said; Auer, Sören; Lange, Christoph

Towards the semantic formalization of science Inproceedings

In: SAC '20: The 35th ACM/SIGAPP Symposium on Applied Computing, online event, [Brno, Czech Republic], March 30 - April 3, 2020, pp. 2057–2059, ACM, 2020.

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Jabeen, Hajira; Haziiev, Eskender; Sejdiu, Gezim; Lehmann, Jens

DISE: A Distributed in-Memory SPARQL Processing Engine over Tensor Data Inproceedings

In: IEEE 14th International Conference on Semantic Computing, ICSC 2020, San Diego, CA, USA, February 3-5, 2020, pp. 400–407, IEEE, 2020.

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Khiat, Abderrahmane; Halilaj, Lavdim; Hemid, Ahmad; Lohmann, Steffen

VoColReg: A Registry for Supporting Distributed Ontology Development using Version Control Systems Inproceedings

In: IEEE 14th International Conference on Semantic Computing, ICSC 2020, San Diego, CA, USA, February 3-5, 2020, pp. 393–399, IEEE, 2020.

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Thakkar, Harsh; Angles, Renzo; Rodriguez, Marko; Mallette, Stephen; Lehmann, Jens

Let's build Bridges, not Walls: SPARQL Querying of TinkerPop Graph Databases with Sparql-Gremlin Inproceedings

In: IEEE 14th International Conference on Semantic Computing, ICSC 2020, San Diego, CA, USA, February 3-5, 2020, pp. 408–415, IEEE, 2020.

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Grubenmann, Tobias; Cheng, Reynold C. K.; Lakshmanan, Laks V. S.

TSA: A Truthful Mechanism for Social Advertising Inproceedings

In: WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020, pp. 214–222, ACM, 2020.

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Musyaffa, Fathoni A.; Vidal, Maria-Esther; Orlandi, Fabrizio; Lehmann, Jens; Jabeen, Hajira

IOTA: Interlinking of heterogeneous multilingual open fiscal DaTA Journal Article

In: Expert Syst. Appl., 147 , pp. 113135, 2020.

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Fathalla, Said; Vahdati, Sahar; Lange, Christoph; Auer, Sören

Scholarly event characteristics in four fields of science: a metrics-based analysis Journal Article

In: Scientometrics, 123 (2), pp. 677–705, 2020.

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Bader, Sebastian R.; Grangel-González, Irlán; Nanjappa, Priyanka; Vidal, Maria-Esther; Maleshkova, Maria

A Knowledge Graph for Industry 4.0 Inproceedings

In: The Semantic Web - 17th International Conference, ESWC 2020, Heraklion, Crete, Greece, May 31-June 4, 2020, Proceedings, pp. 465–480, Springer, 2020.

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Kacupaj, Endri; Zafar, Hamid; Lehmann, Jens; Maleshkova, Maria

VQuAnDa: Verbalization QUestion ANswering DAtaset Inproceedings

In: The Semantic Web - 17th International Conference, ESWC 2020, Heraklion, Crete, Greece, May 31-June 4, 2020, Proceedings, pp. 531–547, Springer, 2020.

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Nayyeri, Mojtaba; Vahdati, Sahar; Zhou, Xiaotian; Yazdi, Hamed Shariat; Lehmann, Jens

Embedding-Based Recommendations on Scholarly Knowledge Graphs Inproceedings

In: The Semantic Web - 17th International Conference, ESWC 2020, Heraklion, Crete, Greece, May 31-June 4, 2020, Proceedings, pp. 255–270, Springer, 2020.

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Nedelchev, Rostislav; Usbeck, Ricardo; Lehmann, Jens

Treating Dialogue Quality Evaluation as an Anomaly Detection Problem Inproceedings

In: Proceedings of The 12th Language Resources and Evaluation Conference, LREC 2020, Marseille, France, May 11-16, 2020, pp. 508–512, European Language Resources Association, 2020.

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Rula, Anisa; Zaveri, Amrapali; Simperl, Elena; Demidova, Elena

Editorial: Special Issue on Quality Assessment of Knowledge Graphs Dedicated to the Memory of Amrapali Zaveri Journal Article

In: J. Data and Information Quality, 12 (2), pp. 7:1–7:4, 2020.

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Angles, Renzo; Thakkar, Harsh; Tomaszuk, Dominik

Mapping RDF Databases to Property Graph Databases Journal Article

In: IEEE Access, 8 , pp. 86091–86110, 2020.

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Han, Xiaolin; Grubenmann, Tobias; Cheng, Reynold; Wong, Sze Chun; Li, Xiaodong; Sun, Wenya

Traffic Incident Detection: A Trajectory-based Approach Inproceedings

In: 36th IEEE International Conference on Data Engineering, ICDE 2020, Dallas, TX, USA, April 20-24, 2020, pp. 1866–1869, IEEE, 2020.

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Jahn, Franziska; Bindel, Michelle; Höffner, Konrad; Ghalandari, Maryam; Schneider, Birgit; Stäubert, Sebastian; Dornauer, Verena; Karopka, Thomas; Ammenwerth, Elske; Winter, Alfred

Towards Precise Descriptions of Medical Free/Libre and Open Source Software Inproceedings

In: Digital Personalized Health and Medicine - Proceedings of MIE 2020, Medical Informatics Europe, Geneva, Switzerland, April 28 - May 1, 2020 [conference cancelled because of Covid-19], pp. 463–468, IOS Press, 2020.

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Elahi, Mehdi; Hosseini, Reza; Rimaz, Mohammad Hossein; Moghaddam, Farshad Bakhshandegan; Trattner, Christoph

Visually-Aware Video Recommendation in the Cold Start Inproceedings

In: HT '20: 31st ACM Conference on Hypertext and Social Media, Virtual Event, USA, July 13-15, 2020, pp. 225–229, ACM, 2020.

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Elias, Mirette; Ruckhaus, Edna; Draffan, E. A.; James, Abi; Suárez-Figueroa, Mari Carmen; Lohmann, Steffen; Khiat, Abderrahmane; Auer, Sören

Accessibility and Personalization in OpenCourseWare : An Inclusive Development Approach Inproceedings

In: 20th IEEE International Conference on Advanced Learning Technologies, ICALT 2020, Tartu, Estonia, July 6-9, 2020, pp. 279–283, IEEE, 2020.

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Reimann, Lars; Kniesel-Wünsche, Günter

Achieving Guidance in Applied Machine Learning through Software Engineering Techniques Inproceedings

In: Programming'20: 4th International Conference on the Art, Science, and Engineering of Programming, Porto, Portugal, March 23-26, 2020, pp. 7–12, ACM, 2020.

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Tomaszuk, Dominik; Angles, Renzo; Thakkar, Harsh

PGO: Describing Property Graphs in RDF Journal Article

In: IEEE Access, 8 , pp. 118355–118369, 2020.

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Ali, Mehdi; Berrendorf, Max; Hoyt, Charles Tapley; Vermue, Laurent; Galkin, Mikhail; Sharifzadeh, Sahand; Fischer, Asja; Tresp, Volker; Lehmann, Jens

Bringing Light Into the Dark: A Large-scale Evaluation of Knowledge Graph Embedding Models Under a Unified Framework Miscellaneous

2020.

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Bader, Sebastian R.; Maleshkova, Maria

SOLIOT - Decentralized Data Control and Interactions for IoT Journal Article

In: Future Internet, 12 (6), pp. 105, 2020.

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Jabeen, Hajira

Big Data Outlook, Tools, and Architectures Incollection

In: Knowledge Graphs and Big Data Processing, 12072 , pp. 35–55, Springer, 2020.

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Jabeen, Hajira; Graux, Damien; Sejdiu, Gezim

Scalable Knowledge Graph Processing Using SANSA Incollection

In: Knowledge Graphs and Big Data Processing, 12072 , pp. 105–121, Springer, 2020.

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Tasnim, Mayesha; Collarana, Diego; Graux, Damien; Vidal, Maria-Esther

Context-Based Entity Matching for Big Data Incollection

In: Knowledge Graphs and Big Data Processing, 12072 , pp. 122–146, Springer, 2020.

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Jabeen, Hajira; Weinz, Jonas; Lehmann, Jens

AutoChef: Automated Generation of Cooking Recipes Inproceedings

In: IEEE Congress on Evolutionary Computation, CEC 2020, Glasgow, United Kingdom, July 19-24, 2020, pp. 1–7, IEEE, 2020.

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441 entries « 1 of 9 »