Tobias Käfer

According to our database, Tobias Käfer authored at least 49 papers between 2012 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Towards Representing Processes and Reasoning with Process Descriptions on the Web.

Andreas Harth, Tobias Käfer, Anisa Rula, Jean-Paul Calbimonte, Eduard Kamburjan, Martin Giese

TGDK, 2024

ML approaches for OTDR diagnoses in passive optical networks - event detection and classification: ways for ODN branch assignment.

Michael Straub, Johannes Reber, Tarek Saier, Robert Borkowski, Shi Li, Dmitry Khomchenko, André Richter, Michael Färber, Tobias Käfer, René Bonk

J. Opt. Commun. Netw., 2024

Machine Learning in Short-Reach Optical Systems: A Comprehensive Survey.

Chen Shao, Elias G. Giacoumidis, Syed Moktacim Billah, Shi Li, Jialei Li, Prashasti Sahu, André Richter, Tobias Käfer, Michael Faerber

CoRR, 2024

Advanced Equalization in 112 Gb/s Upstream PON Using a Novel Fourier Convolution-based Network.

Chen Shao, Elias G. Giacoumidis, Patrick Matalla, Jialei Li, Shi Li, Sebastian Randel, André Richter, Michael Färber, Tobias Käfer

CoRR, 2024

SSI, from Specifications to Protocol? Formally Verify Security!

Christoph H.-J. Braun, Ross Horne, Tobias Käfer, Sjouke Mauw

Proceedings of the ACM on Web Conference 2024, 2024

A Novel Machine Learning-based Equalizer for a Downstream 100G PAM-4 PON.

Chen Shao, Elias G. Giacoumidis, Shi Li, Jialei Li, Michael Färber, Tobias Käfer, André Richter

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

AuthApp - Portable, Reusable Solid App for GDPR-Compliant Access Granting.

Andreas Both, Thorsten Kastner, Dustin Yeboah, Christoph Braun, Daniel Schraudner, Sebastian Schmid, Tobias Käfer, Andreas Harth

Proceedings of the Web Engineering - 24th International Conference, 2024

Data-Sovereign Enterprise Collaboration using the Solid Protocol.

Thorsten Kastner, Christoph Braun, Andreas Both, Dustin Yeboah, Sebastian Josef Schmid, Daniel Schraudner, Tobias Käfer, Andreas Harth

Proceedings of the Joint Proceedings of Posters, 2024

Towards Improving Large Language Models' Planning Capabilities on WoT Thing Descriptions by Generating Python Objects as Intermediary Representations.

Lukas Kinder, Tobias Käfer

Proceedings of the Joint Proceedings of the ESWC 2024 Workshops and Tutorials co-located with 21th European Semantic Web Conference (ESWC 2024), 2024

2023

Quantifiable integrity for Linked Data on the web.

Christoph H.-J. Braun, Tobias Käfer

Semantic Web, 2023

BOLD: A Benchmark for Linked Data User Agents and a Simulation Framework for Dynamic Linked Data Environments.

Tobias Käfer, Victor Charpenay, Andreas Harth

CoRR, 2023

SISSI: An Architecture for Semantic Interoperable Self-Sovereign Identity-based Access Control on the Web.

Christoph H.-J. Braun, Vasil Papanchev, Tobias Käfer

Proceedings of the ACM Web Conference 2023, 2023

2022

Using Schema.org and Solid for Linked Data-based Machine-to-Machine Sales Contract Conclusion.

Xinni Wang, Christoph H.-J. Braun, Andreas Both, Tobias Käfer

Proceedings of the Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25, 2022

Web Push Notifications from Solid Pods.

Christoph H.-J. Braun, Tobias Käfer

Proceedings of the Web Engineering - 22nd International Conference, 2022

Attribute-based Access Control on Solid Pods using Privacy-friendly Credentials.

Christoph Braun, Tobias Käfer

Proceedings of Poster and Demo Track and Workshop Track of the 18th International Conference on Semantic Systems co-located with 18th International Conference on Semantic Systems (SEMANTiCS 2022), 2022

Self-verifying Web Resource Representations Using Solid, RDF-Star and Signed URIs.

Christoph H.-J. Braun, Tobias Käfer

Proceedings of the Semantic Web: ESWC 2022 Satellite Events - Hersonissos, Crete, Greece, May 29, 2022

2021

Specifying and Executing User Agents in an Environment of Reasoning and RESTful Systems Using the Guard-Stage-Milestone Approach.

Tobias Käfer, Benjamin Jochum, Nico Aßfalg, Leonard Nürnberg

J. Data Semant., 2021

Integrated Planning and Execution on Read-Write Linked Data.

Nico Aßfalg, Helen Schneider, Tobias Käfer

Proceedings of the All the Agents Challenge (ATAC 2021) co-located with the 20th International Semantic Web Conference (ISWC 2021), 2021

Kiglis: Smart Networks for Smart Cities.

Daniel Bogdoll, Patrick Matalla, Christoph Füllner, Christian Raack, Shi Li, Tobias Käfer, Stefan Orf, Marc René Zofka, Finn Sartoris, Christoph Schweikert, Thomas Pfeiffer, André Richter, Sebastian Randel, Rene Bonk

Proceedings of the IEEE International Smart Cities Conference, 2021

SLURP: An Interactive SPARQL Query Planner.

Jannik Dresselhaus, Ilya Filippov, Johannes Gengenbach, Lars Heling, Tobias Käfer

Proceedings of the Semantic Web: ESWC 2021 Satellite Events, 2021

Monetising Resources on a SoLiD Pod Using Blockchain Transactions.

Hendrik Becker, Hung Vu, Anett Katzenbach, Christoph H.-J. Braun, Tobias Käfer

Proceedings of the Semantic Web: ESWC 2021 Satellite Events, 2021

A Unifying Framework for Agency in Hypermedia Environments.

Victor Charpenay, Tobias Käfer, Andreas Harth

Proceedings of the Engineering Multi-Agent Systems - 9th International Workshop, 2021

Documenting the Execution of Semantically Modelled Inter-organisational Workflows on a Distributed Ledger.

Christoph H.-J. Braun, Janina Traue, Boris Lingl, Tobias Käfer

Proceedings of the 2021 IEEE International Conference on Blockchain, 2021

2020

A SoLiD App to Participate in a Scalable Semantic Supply Chain Network on the Blockchain (Demo).

Christoph H.-J. Braun, Tobias Käfer

Proceedings of the ISWC 2020 Demos and Industry Tracks: From Novel Ideas to Industrial Practice co-located with 19th International Semantic Web Conference (ISWC 2020), 2020

Tutorial: Distributed Knowledge Graphs for the Web of Things.

Tobias Käfer, Andreas Harth

Proceedings of the IoT '20 Companion: 10th International Conference on the Internet of Things Companion, 2020

Spezifikation, Ausführung und Monitoring von Workflows in verteilten Wissensgraphen (Abstract).

Tobias Käfer, Andreas Harth

Proceedings of the 50. Jahrestagung der Gesellschaft für Informatik, INFORMATIK 2020 - Back to the Future, Karlsruhe, Germany, 28. September, 2020

2019

Behaviour on Linked Data - Specification, Monitoring, and Execution.

Tobias Christof Käfer

PhD thesis, 2019

BTC-2019: The 2019 Billion Triple Challenge Dataset.

José-Miguel Herrera, Aidan Hogan, Tobias Käfer

Proceedings of the Semantic Web - ISWC 2019, 2019

Verifying the Integrity of Hyperlinked Information Using Linked Data and Smart Contracts.

Christoph Braun, Tobias Käfer

Proceedings of the Semantic Systems. The Power of AI and Knowledge Graphs, 2019

Verifying the Integrity of Information along a Supply Chain using Linked Data and Smart Contracts.

Christoph Braun, Tobias Käfer

Proceedings of the Posters and Demo Track of the 15th International Conference on Semantic Systems co-located with 15th International Conference on Semantic Systems (SEMANTiCS 2019), Karlsruhe, Germany, September 9th - to, 2019

Controlling Internet of Things devices with Read-Write Linked Data Interfaces using Data-Driven Workflows.

Nico Aßfalg, Leonard Nürnberg, Benjamin Jochum, Tobias Käfer

Proceedings of the Posters and Demo Track of the 15th International Conference on Semantic Systems co-located with 15th International Conference on Semantic Systems (SEMANTiCS 2019), Karlsruhe, Germany, September 9th - to, 2019

Data-Driven Workflows for Specifying and Executing Agents in an Environment of Reasoning and RESTful Systems.

Benjamin Jochum, Leonard Nürnberg, Nico Aßfalg, Tobias Käfer

Proceedings of the Business Process Management Workshops, 2019

2018

Rule-based Programming of User Agents for Linked Data.

Tobias Käfer, Andreas Harth

Proceedings of the Workshop on Linked Data on the Web co-located with The Web Conference 2018, 2018

Using Workflows to Build Compositions of Read-Write Linked Data APIs on the Web of Things.

Tobias Käfer, Sebastian Lauber, Andreas Harth

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, 2018

Specifying, Monitoring, and Executing Workflows in Linked Data Environments.

Tobias Käfer, Andreas Harth

Proceedings of the Semantic Web - ISWC 2018, 2018

Linked data techniques for the web of things: tutorial.

Andreas Harth, Tobias Käfer

Proceedings of the 8th International Conference on the Internet of Things, 2018

2017

Modelling and Analysing Dynamic Linked Data using RDF and SPARQL.

Tobias Käfer, Alexandra Wins, Maribel Acosta

Proceedings of the 4th International Workshop on Dataset PROFIling and fEderated Search for Web Data (PROFILES 2017) co-located with The 16th International Semantic Web Conference (ISWC 2017), 2017

Specifying and Executing Application Behaviour with Condition-Request Rules.

Andreas Harth, Tobias Käfer

Proceedings of the Workshop on Decentralizing the Semantic Web 2017 co-located with 16th International Semantic Web Conference (ISWC 2017), 2017

Exposing Internet of Things Devices via REST and Linked Data Interfaces.

Sebastian Richard Bader, Tobias Käfer, Lars Heling, Raphael Manke, Andreas Harth

Proceedings of the Second Workshop on Semantic Web Technologies for the Internet of Things co-located with 16th International Semantic Web Conference (ISWC 2017), 2017

2016

Towards Specification and Execution of Linked Systems.

Andreas Harth, Tobias Käfer

Proceedings of the 28th GI-Workshop Grundlagen von Datenbanken, Nörten Hardenberg, 2016

Individualisiertes Gruppentraining mit Datenbrillen für die Produktion.

Sarah Brauns, Tobias Käfer, Dirk Koriath, Andreas Harth

Proceedings of the 46. Jahrestagung der Gesellschaft für Informatik, 2016

Towards declarative programming and querying in a distributed Cyber-Physical System: The i-VISION case.

Tobias Käfer, Andreas Harth, Sebastien Mamessier

Proceedings of the 2016 2nd International Workshop on Modelling, 2016

2015

Dynamics in Linked Data Environments.

Tobias Käfer

Proceedings of the On the Move to Meaningful Internet Systems: OTM 2015 Workshops, 2015

2014

The Role of Ontology Engineering in Linked Data Publishing and Management: An Empirical Study.

Markus Luczak-Rösch, Elena Simperl, Steffen Stadtmüller, Tobias Käfer

Int. J. Semantic Web Inf. Syst., 2014

High Performance Linked Data Processing for Virtual Reality Environments.

Felix Leif Keppmann, Tobias Käfer, Steffen Stadtmüller, René Schubotz, Andreas Harth

Proceedings of the ISWC 2014 Posters & Demonstrations Track a track within the 13th International Semantic Web Conference, 2014

Integrating highly dynamic RESTful linked data APIs in a virtual reality environment.

Felix Leif Keppmann, Tobias Käfer, Steffen Stadtmüller, René Schubotz, Andreas Harth

Proceedings of the IEEE International Symposium on Mixed and Augmented Reality, 2014

2013

Exploring the Dynamics of Linked Data.

Tobias Käfer, Ahmed Abdelrahman, Jürgen Umbrich, Patrick O'Byrne, Aidan Hogan

Proceedings of the Semantic Web: ESWC 2013 Satellite Events, 2013

Observing Linked Data Dynamics.

Tobias Käfer, Ahmed Abdelrahman, Jürgen Umbrich, Patrick O'Byrne, Aidan Hogan

Proceedings of the Semantic Web: Semantics and Big Data, 10th International Conference, 2013

2012

DyLDO: Towards a Dynamic Linked Data Observatory.

Tobias Käfer, Jürgen Umbrich, Aidan Hogan, Axel Polleres

Proceedings of the WWW2012 Workshop on Linked Data on the Web, 2012