Publications

You can find a list of completed Phd theses here.

538 entries « 3 of 11 »

2021

Vahdati, Sahar; Fathalla, Said; Lange, Christoph; Behrend, Andreas; Say, Aysegul; Say, Zeynep; Auer, Sören

A comprehensive quality assessment framework for scientific events Journal Article

In: Scientometrics, vol. 126, no. 1, pp. 641–682, 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., vol. 12, no. 1, pp. 1:1–1:20, 2021.

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Chakraborty, Nilesh; Lukovnikov, Denis; Maheshwari, Gaurav; Trivedi, Priyansh; Lehmann, Jens; Fischer, Asja

Introduction to neural network-based question answering over knowledge graphs Journal Article

In: WIREs Data Mining Knowl. Discov., vol. 11, no. 3, 2021.

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Ding, Linfang; Xiao, Guohui; Pano, Albulen; Stadler, Claus; Calvanese, Diego

Towards the next generation of the LinkedGeoData project using virtual knowledge graphs Journal Article

In: J. Web Semant., vol. 71, pp. 100662, 2021.

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Mami, Mohamed Nadjib

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

University of Bonn, Germany, 2021.

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Mulang', Isaiah Onando

Knowledge Context for Entity and Relation Linking PhD Thesis

University of Bonn, Germany, 2021.

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Thakker, Harsh Vrajeshkumar

On Supporting Interoperability between RDF and Property Graph Databases PhD Thesis

University of Bonn, Germany, 2021.

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Hogan, Aidan; Blomqvist, Eva; Cochez, Michael; d'Amato, Claudia; de Melo, Gerard; Gutierrez, Claudio; Kirrane, Sabrina; Gayo, José Emilio Labra; Navigli, Roberto; Neumaier, Sebastian; Ngomo, Axel-Cyrille Ngonga; Polleres, Axel; Rashid, Sabbir M.; Rula, Anisa; Schmelzeisen, Lukas; Sequeda, Juan; Staab, Steffen; Zimmermann, Antoine

Knowledge Graphs Book

Morgan & Claypool Publishers, 2021.

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2020

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

Let the Margin SlidEtextbackslash(^textbackslashmboxtextbackslash(pm textbackslash)textbackslash) for Knowledge Graph Embeddings via a Correntropy Objective Function Inproceedings

In: 2020 International Joint Conference on Neural Networks, IJCNN 2020, Glasgow, United Kingdom, July 19-24, 2020, pp. 1–9, IEEE, 2020.

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

An OER Recommender System Supporting Accessibility Requirements Inproceedings

In: ASSETS '20: The 22nd International ACM SIGACCESS Conference on Computers and Accessibility, Virtual Event, Greece, October 26-28, 2020, pp. 57:1–57:4, ACM, 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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Armitage, Jason; Kacupaj, Endri; Tahmasebzadeh, Golsa; Swati,; Maleshkova, Maria; Ewerth, Ralph; Lehmann, Jens

MLM: A Benchmark Dataset for Multitask Learning with Multiple Languages and Modalities Inproceedings

In: CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020, pp. 2967–2974, ACM, 2020.

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Iglesias, Enrique; Jozashoori, Samaneh; Chaves-Fraga, David; Collarana, Diego; Vidal, Maria-Esther

SDM-RDFizer: An RML Interpreter for the Efficient Creation of RDF Knowledge Graphs Inproceedings

In: CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020, pp. 3039–3046, ACM, 2020.

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Singh, Isaiah Onando Mulang'and Kuldeep; Prabhu, Chaitali; Nadgeri, Abhishek; Hoffart, Johannes; Lehmann, Jens

Evaluating the Impact of Knowledge Graph Context on Entity Disambiguation Models Inproceedings

In: CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020, pp. 2157–2160, ACM, 2020.

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Nedelchev, Rostislav; Lehmann, Jens; Usbeck, Ricardo

Language Model Transformers as Evaluators for Open-domain Dialogues Inproceedings

In: Proceedings of the 28th International Conference on Computational Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13, 2020, pp. 6797–6808, International Committee on Computational Linguistics, 2020.

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Xu, Chengjin; Nayyeri, Mojtaba; Alkhoury, Fouad; Yazdi, Hamed Shariat; Lehmann, Jens

TeRo: A Time-aware Knowledge Graph Embedding via Temporal Rotation Inproceedings

In: Proceedings of the 28th International Conference on Computational Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13, 2020, pp. 1583–1593, International Committee on Computational Linguistics, 2020.

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

Knowledge Graph Embeddings in Geometric Algebras Inproceedings

In: Proceedings of the 28th International Conference on Computational Linguistics, COLING 2020, Barcelona, Spain (Online), December 8-13, 2020, pp. 530–544, International Committee on Computational Linguistics, 2020.

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Rivas, Ariam; Grangel-González, Irlán; Collarana, Diego; Lehmann, Jens; Vidal, Maria-Esther

Unveiling Relations in the Industry 4.0 Standards Landscape Based on Knowledge Graph Embeddings Inproceedings

In: Database and Expert Systems Applications - 31st International Conference, DEXA 2020, Bratislava, Slovakia, September 14-17, 2020, Proceedings, Part II, pp. 179–194, Springer, 2020.

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Sibarani, Elisa Margareth; Scerri, Simon

SCODIS: Job Advert-Derived Time Series for High-Demand Skillset Discovery and Prediction Inproceedings

In: Database and Expert Systems Applications - 31st International Conference, DEXA 2020, Bratislava, Slovakia, September 14-17, 2020, Proceedings, Part II, pp. 366–381, Springer, 2020.

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Alam, Mirza Mohtashim; Nayyeri, Mojtaba; Xu, Chengjin; Rony, Md. Rashad Al Hasan; Yazdi, Hamed Shariat; Sadeghi, Afshin; Lehmann, Jens

The Effect of Rule Injectionin a Leakage Free Dataset Inproceedings

In: Proceedings of the International Workshop on Knowledge Representation and Representation Learning co-located with the 24th European Conference on Artificial Intelligence (ECAI 2020), Virtual Event, September, 2020, pp. 28–35, CEUR-WS.org, 2020.

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Khvalchik, Maria; Galkin, Mikhail

Departamento de Nosotros: How Machine Translated Corpora Affects Language Models in MRC Tasks Inproceedings

In: Proceedings of the Workshop on Hybrid Intelligence for Natural Language Processing Tasks (HI4NLP 2020) co-located with 24th European Conference on Artificial Intelligence (ECAI 2020), Santiago de Compostela, Spain, August 29, 2020, pp. 29–33, CEUR-WS.org, 2020.

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Sadeghi, Afshin; Graux, Damien; Yazdi, Hamed Shariat; Lehmann, Jens

MDE: Multiple Distance Embeddings for Link Prediction in Knowledge Graphs Inproceedings

In: ECAI 2020 - 24th European Conference on Artificial Intelligence, 29 August-8 September 2020, Santiago de Compostela, Spain, August 29 - September 8, 2020 - Including 10th Conference on Prestigious Applications of Artificial Intelligence (PAIS 2020), pp. 1427–1434, IOS Press, 2020.

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Xu, Chengjin; Nayyeri, Mojtaba; Vahdati, Sahar; Lehmann, Jens

Multiple Run Ensemble Learning with Low Dimensional Knowledge Graph Embeddings Inproceedings

In: Proceedings of the International Workshop on Knowledge Representation and Representation Learning co-located with the 24th European Conference on Artificial Intelligence (ECAI 2020), Virtual Event, September, 2020, pp. 36–42, CEUR-WS.org, 2020.

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Zafar, Hamid; Tavakol, Maryam; Lehmann, Jens

Distantly Supervised Question Parsing Inproceedings

In: ECAI 2020 - 24th European Conference on Artificial Intelligence, 29 August-8 September 2020, Santiago de Compostela, Spain, August 29 - September 8, 2020 - Including 10th Conference on Prestigious Applications of Artificial Intelligence (PAIS 2020), pp. 2290–2297, IOS Press, 2020.

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

Quality Evaluation of Open Educational Resources Inproceedings

In: Addressing Global Challenges and Quality Education - 15th European Conference on Technology Enhanced Learning, EC-TEL 2020, Heidelberg, Germany, September 14-18, 2020, Proceedings, pp. 410–415, Springer, 2020.

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Galkin, Mikhail; Trivedi, Priyansh; Maheshwari, Gaurav; Usbeck, Ricardo; Lehmann, Jens

Message Passing for Hyper-Relational Knowledge Graphs Inproceedings

In: Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing, EMNLP 2020, Online, November 16-20, 2020, pp. 7346–7359, Association for Computational Linguistics, 2020.

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Say, Zeynep; Fathalla, Said; Vahdati, Sahar; Lehmann, Jens; Auer, Sören

Ontology Design for Pharmaceutical Research Outcomes Inproceedings

In: Digital Libraries for Open Knowledge - 24th International Conference on Theory and Practice of Digital Libraries, TPDL 2020, Lyon, France, August 25-27, 2020, Proceedings, pp. 119–132, Springer, 2020.

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Alam, Mirza Mohtashim; Jabeen, Hajira; Ali, Mehdi; Mohiuddin, Karishma; Lehmann, Jens

Affinity Dependent Negative Sampling for Knowledge Graph Embeddings Inproceedings

In: Proceedings of the Workshop on Deep Learning for Knowledge Graphs (DL4KG2020) co-located with the 17th Extended Semantic Web Conference 2020 (ESWC 2020), Heraklion, Greece, June 02, 2020 - moved online, CEUR-WS.org, 2020.

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Armitage, Jason; Thakur, Shramana; Tripathi, Rishi; Maleshkova, Maria; Lehmann, Jens

Training Multimodal Systems for Classification with Multiple Objectives Inproceedings

In: Proceedings of the 1st International Workshop on Cross-lingual Event-centric Open Analytics co-located with the 17th Extended Semantic Web Conference (ESWC 2020), Heraklion, Crete, Greece, June 3, 2020 (online event due to COVID-19 outbreak), pp. 57–71, CEUR-WS.org, 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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Bader, Sebastian R.; Maleshkova, Maria

Towards Integrated Data Control for Digital Twins in Industry 4.0 Inproceedings

In: Proceedings of the International Workshop on Semantic Digital Twins co-located with the 17th Extended Semantic Web Conference, SeDiT@ESWC 2020, Heraklion, Greece, June 3, 2020, CEUR-WS.org, 2020.

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Chau, Minh Triet; Esteves, Diego; Lehmann, Jens

A Neural-based model to Predict the Future Natural Gas Market Price through Open-domain Event Extraction Inproceedings

In: Proceedings of the 1st International Workshop on Cross-lingual Event-centric Open Analytics co-located with the 17th Extended Semantic Web Conference (ESWC 2020), Heraklion, Crete, Greece, June 3, 2020 (online event due to COVID-19 outbreak), pp. 17–31, CEUR-WS.org, 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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Mami, Mohamed Nadjib; Grangel-González, Irlán; Graux, Damien; Elezi, Enkeleda; Lösch, Felix

Semantic Data Integration for the SMT Manufacturing Process Using SANSA Stack Inproceedings

In: The Semantic Web: ESWC 2020 Satellite Events - ESWC 2020 Satellite Events, Heraklion, Crete, Greece, May 31 - June 4, 2020, Revised Selected Papers, pp. 307–311, 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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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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Graux, Damien; Sejdiu, Gezim; Stadler, Claus; Napolitano, Giulio; Lehmann, Jens

MINDS: A Translator to Embed Mathematical Expressions Inside SPARQL Queries Inproceedings

In: Semantic Systems. In the Era of Knowledge Graphs - 16th International Conference on Semantic Systems, SEMANTiCS 2020, Amsterdam, The Netherlands, September 7-10, 2020, Proceedings, pp. 104–117, Springer, 2020.

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Mohamed, Heba; Fathalla, Said; Lehmann, Jens; Jabeen, Hajira

A Distributed Approach for Parsing Large-scale OWL Datasets Inproceedings

In: Proceedings of the 12th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management, IC3K 2020, Volume 2: KEOD, Budapest, Hungary, November 2-4, 2020, pp. 227–234, SCITEPRESS, 2020.

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Say, Aysegul; Fathalla, Said; Vahdati, Sahar; Lehmann, Jens; Auer, Sören

Semantic Representation of Physics Research Data Inproceedings

In: Proceedings of the 12th International Joint Conference on Knowledge Discovery, Knowledge Engineering and Knowledge Management, IC3K 2020, Volume 2: KEOD, Budapest, Hungary, November 2-4, 2020, pp. 64–75, SCITEPRESS, 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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Tavakoli, MohammadReza; Elias, Mirette; Kismihók, Gábor; Auer, Sören

Quality Prediction of Open Educational Resources A Metadata-based Approach Inproceedings

In: 20th IEEE International Conference on Advanced Learning Technologies, ICALT 2020, Tartu, Estonia, July 6-9, 2020, pp. 29–31, IEEE, 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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Musyaffa, Fathoni A.; Lehmann, Jens; Jabeen, Hajira

Cross-administration comparative analysis of open fiscal data Inproceedings

In: ICEGOV 2020: 13th International Conference on Theory and Practice of Electronic Governance, Athens, Greece, 23-25 September, 2020, pp. 459–468, ACM, 2020.

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

AudioLens: Audio-Aware Video Recommendation for Mitigating New Item Problem Inproceedings

In: Service-Oriented Computing - ICSOC 2020 Workshops - AIOps, CFTIC, STRAPS, AI-PA, AI-IOTS, and Satellite Events, Dubai, United Arab Emirates, December 14-17, 2020, Proceedings, pp. 365–378, Springer, 2020.

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Payrosangari, Samin; Sadeghi, Afshin; Graux, Damien; Lehmann, Jens

Meta-hyperband: Hyperparameter Optimization with Meta-learning and Coarse-to-Fine Inproceedings

In: Intelligent Data Engineering and Automated Learning - IDEAL 2020 - 21st International Conference, Guimaraes, Portugal, November 4-6, 2020, Proceedings, Part II, pp. 335–347, Springer, 2020.

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Khiat, Abderrahmane; Elias, Mirette; Foldenauer, Ann Christina; Köhm, Michaela; Blumenstein, Irina; Napolitano, Giulio

Towards an Ontology Representing Characteristics of Inflammatory Bowel Disease Inproceedings

In: iiWAS '20: The 22nd International Conference on Information Integration and Web-based Applications & Services, Virtual Event / Chiang Mai, Thailand, November 30 - December 2, 2020, pp. 216–222, ACM, 2020.

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

Let the Margin SlidEtextbackslash(^textbackslashmboxtextbackslash(pm textbackslash)textbackslash) for Knowledge Graph Embeddings via a Correntropy Objective Function Inproceedings

In: 2020 International Joint Conference on Neural Networks, IJCNN 2020, Glasgow, United Kingdom, July 19-24, 2020, pp. 1–9, IEEE, 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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Rehm, Georg; Galanis, Dimitris; Labropoulou, Penny; Piperidis, Stelios; Welß, Martin; Usbeck, Ricardo; Köhler, Joachim; Deligiannis, Miltos; Gkirtzou, Katerina; Fischer, Johannes; Chiarcos, Christian; Feldhus, Nils; Schneider, Julián Moreno; Kintzel, Florian; Montiel-Ponsoda, Elena; Rodr'iguez-Doncel, V'ictor; McCrae, John Philip; Laqua, David; Theile, Irina Patricia; Dittmar, Christian; Bontcheva, Kalina; Roberts, Ian; Vasiljevs, Andrejs; Lagzdins, Andis

Towards an Interoperable Ecosystem of AI and LT Platforms: A Roadmap for the Implementation of Different Levels of Interoperability Inproceedings

In: Proceedings of the 1st International Workshop on Language Technology Platforms, IWLTP@LREC 2020, Marseille, France, May 2020, pp. 96–107, European Language Resources Association, 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, pp. 463–468, IOS Press, 2020.

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538 entries « 3 of 11 »