Research Papers
2026
Linking cryptoasset attribution tags to knowledge graph entities: An LLM-based approach
Financial Cryptography and Data Security, pp. 366–382, 2026
2025
Slaying the dragon: The quest for democracy in decentralized autonomous organizations (DAOs)
arXiv preprint arXiv:2511.09263, 2025
The economic impact of DeFi crime events on decentralized autonomous organizations (DAOs)
The Journal of Finance and Data Science, 11, 100171, 2025
Towards verifiability of total value locked (TVL) in decentralized finance
Bank for International Settlements, BIS Working Papers 1268, 2025
Financial Cryptography and Data Security, pp. 313–330, 2025
Mapping the DeFi crime landscape: An evidence-based picture
Journal of Cybersecurity, 11(1), tyae029, 2025
2024
Assessing the solvency of virtual asset service providers: are current standards sufficient?
Applied Economics, 1–16, 2024
Detecting financial bots on the Ethereum blockchain
Companion Proceedings of the ACM on Web Conference 2024, pp. 1742–1751, 2024
2023
Increasing the efficiency of cryptoasset investigations by connecting the cases
2023 APWG Symposium on Electronic Crime Research (eCrime), pp. 1-10, 2023
Predictability and comprehensibility in post-hoc XAI methods: A user-centered analysis
Intelligent Computing, pp. 712–733, 2023
A systematic investigation of DeFi compositions in Ethereum
Financial Cryptography and Data Security. FC 2022 International Workshops, pp. 272–279, 2023
Exploring investor behavior in Bitcoin: A study of the disposition effect
Digital Finance, 2023
Disentangling decentralized finance (DeFi) compositions
ACM Trans. Web, 17(2), 2023
SUERF - The European Money & Finance Forum / UniCredit Foundation Research prize
2022
Adoption and actual privacy of decentralized CoinJoin implementations in Bitcoin
Proceedings of the 4th ACM Conference on Advances in Financial Technologies, pp. 254–267, 2022
How to peel a million: Validating and expanding Bitcoin clusters
31st USENIX Security Symposium, Boston, MA, USA, August 10-12, 2022, pp. 2207–2223, 2022
Autoencoder based anomaly detection and explained fault localization in industrial cooling systems
PHM Society European Conference, pp. 200–210, 2022
Explaining binary time-series classification with counterfactuals in an industrial use case
ACM CHI Workshop on Human-Centered Perspectives in Explainable AI, 2022
Machine learning methods for health-index prediction in coating chambers
Annual Conference of the Prognostics and Health Management Society Style (PHME), 2022
2021
Transfer learning strategies for anomaly detection in IoT vibration data
IECON 2021 - 47th Annual Conference of the IEEE Industrial Electronics Society, 2021
Where is the light(ning) in the Taproot dawn? Unveiling the Bitcoin Lightning (IP) network
IEEE International Conference on Cloud Networking (CloudNet), 2021
The future is big graphs: A community view on graph processing systems
Commun. ACM, 64(9), 62–71, 2021
Cross-layer deanonymization methods in the Lightning protocol
FC 2021 - 25th International Conference on Financial Cryptography and Data Security, pp. 187–204, 2021
2020
Machine learning interpretability techniques for outage prediction: A comparative study
PHM Society European Conference, 5(1), 2020
Safeguarding the evidential value of forensic cryptocurrency investigations
Forensic Science International: Digital Investigation, 2020
Stake shift in major cryptocurrencies: An empirical study
FC 2020 - 24th International Conference on Financial Cryptography and Data Security, pp. 97–113, 2020
Identifying historical travelogues in large text corpora using machine learning
iConference 2020, 2020
Best Paper Award
All that glitters is not Bitcoin – Unveiling the centralized nature of the BTC (IP) network
IEEE/IFIP Network Operations and Management Symposium (NOMS), 2020
2019
Spams meet cryptocurrencies: Sextortion in the Bitcoin ecosystem
Proceedings of the 1st ACM Conference on Advances in Financial Technologies, AFT 2019, Zurich, Switzerland, October 21-23, 2019, pp. 76–88, 2019
A deep dive into Bitcoin mining pools: An empirical analysis of mining shares
18th Annual Workshop on the Economics of Information Security (WEIS), 2019
Predicting time-to-failure of plasma etching equipment using machine learning
IEEE International Conference on Prognostics and Health Management, 2019
Short paper: An empirical analysis of Monero cross-chain traceability
Financial Cryptography and Data Security, pp. 150–157, 2019
2018
Procedia CIRP: 51st CIRP Conference on Manufacturing Systems, 72, 1039 - 1044, 2018
Knowledge graphs in the libraries and digital humanities domain
Encyclopedia of Big Data Technologies, pp. 1–8, 2018
2017
Network-based knowledge graph assessment
Proceedings of the Posters and Demos Track of the 13th International Conference on Semantic Systems (SEMANTiCS), 2017
Evolution of the Bitcoin address graph
Data Science – Analytics and Applications, pp. 77–82, 2017
2016
O Bitcoin where art thou? Insight into large-scale transaction graphs
Joint Proceedings of the Posters and Demos Track of the 12th International Conference on Semantic Systems (SEMANTiCS 2016), 2016
2014
Open annotations on multimedia Web resources
Multimedia Tools and Applications, 70(2), 847-867, 2014
Sifting useful comments from Flickr Commons and YouTube
International journal on Digital Libraries, 16, 161–179, 2014
2013
Query expansion using open Web-based SKOS vocabularies
ACM SIGIR Workshop on Health Search & Discovery (HSD 2013), 2013
Identification of useful user comments in social media: A case study on Flickr Commons
ACM/IEEE Joint Conference on Digital Libraries (JCDL 2013), 2013
Best Student Paper Award Nominee
Web synchronization simulations using the ResourceSync framework
University of Vienna, techreport, 2013
RESLVE: Leveraging user interest to improve entity disambiguation on short text
Web of Linked Entities (WoLE) Workshop, co-located with WWW2013, 2013
Best paper award
Using SKOS vocabularies for improving Web Search
Web of Linked Entities (WoLE) Workshop, co-located with WWW 2013, 2013
2012
ResourceSync: Web-based resource synchronization
The 7th International Conference on Open Repositories (OR2012), 2012
Finding Quality issues in SKOS Vocabularies
Therory and Practice of Digital Libraries (TPDL 2012), 2012
The SciLink project: from document-centric to resource-oriented publications
iConference ’12, pp. 567–568, 2012
2011
The Open Annotation Collaboration (OAC) model
Workshop on Multimedia on the Web 2011, 2011
DSNotify – A solution for event detection and link maintenance in dynamic datasets
Web Semantics: Science, Services and Agents on the World Wide Web, 9(3), 266–283, 2011
Quality criteria for controlled Web vocabularies
International Conference on Theory and Practice of Digital Libraries 2011, NKOS Workshop, 2011
data.europeana.eu – The Europeana Linked Open Data pilot
DCMI International Conference on Dublin Core and Metadata Applications, 2011
A retrospective on semantics and interoperability research
Foundations for the Web of Information and Services, pp. 3–27, 2011
Annotations, Tags & Linked Data
6th International Workshop on Digital Technologies in Cartographic Heritage, 2011
The MEKETREpository – Middle Kingdom tomb and artwork descriptions on the Web
Theory and Practice of Digital Libraries (TPDL 2011), pp. 449–452, 2011
Historic map annotations with YUMA
Open Annotation Collaboration, Phase II Workshop, 2011
Linked Data and multimedia: The state of affairs
Multimedia Tools and Applications, 59(2), 523–556, 2011
Semantically augmented annotations in digitized map collections
ACM/IEEE Joint Conference on Digital Libraries (JCDL), 2011
2010
An evaluation approach for dynamics-aware applications using Linked Data
9th International Workshop on Web Semantics (WebS), co-located with DEXA 2010, 2010
Augmenting Europeana content with Linked Data resources
Proceedings of the 6th International Conference on Semantic Systems (SEMANTICS 2010), pp. 1–3, 2010
Tag clouds and old maps: Annotations as linked spatiotemporal data in the cultural heritage domain
Workshop On Linked Spatiotemporal Data, held in conjunction with the 6th International Conference on Geographic Information Science (GIScience 2010), 2010
Service Orchestration for Linking Open Data: Applying a SOA principle to the Web of Data
1st International Workshop on Recent Trends in SOA Based Information Systems (RTSOABIS 2010), 2010
Towards Model Implementation Guidelines for the CIDOC Conceptual Reference Model
University of Vienna, Technical Report, 2010
Interweaving OAI-PMH data sources with the Linked Data cloud
Int. J. Metadata, Semantics and Ontologies, 1(5), 17–31, 2010
DSNotify: Handling broken links in the Web of Data
Nineteenth International WWW Conference (WWW2010), 2010
A survey of techniques for achieving metadata interoperability
ACM Computing Surveys, 42(7), 1–37, 2010
Files are Siles: Extending file systems with semantic annotations
International journal on Semantic Web and Information Systems (IJSWIS), 6(3), 1–21, 2010
2009
DSNotify: Detecting and fixing broken links in Linked Data sets
8th International Workshop on Web Semantics (WebS 09), co-located with DEXA 2009, 2009
6th European Semantic Web Conference (ESWC 2009), 2009
The Sile model: A semantic file system infrastructure for the desktop
6th European Semantic Web Conference (ESWC2009), 2009
The LEMO annotation framework: weaving multimedia annotations with the web
International journal on Digital Libraries, 10(1), 15–32, 2009
Südwestdeutscher Verlag für Hochschulschriften, 2009
2008
A Web-based Mapping Technique for Establishing Metadata Interoperability
University of Vienna, phdthesis, 2008
The OAI2LOD Server: Exposing OAI-PMH Metadata as Linked Data
International Workshop on Linked Data on the Web (LDOW2008), co-located with WWW 2008, 2008
A Comparative Study of Mapping Solutions for Enabling Metadata Interoperability
University of Vienna, techreport, 2008
Umfragereport zur Nutzung von Metadaten
KIM - Kompetenzzentrum Interoperable Metadaten, techreport, 2008
2007
CIDOC CRM in Action - Experiences and Challenges
11th European Conference on Research and Advanced Technology for Digital Libraries (ECDL07), pp. 532–533, 2007
Putting the CIDOC CRM into practice – Experiences and challenges
University of Vienna, Technical Report, 2007
Uniform SPARQL access to interlinked (digital library) sources
The 6th European Networked Knowledge Organization Systems (NKOS) Workshop, 2007
2006
The role of ontologies in semantic digital libraries
The 5th European Networked Knowledge Organization Systems (NKOS) Workshop, 2006
A service oriented architecture for integrating metadata from heterogeneous digital libraries
The 1st International Workshop on Semantic Information Integration on Knowledge Discovery (SIIK 2006), 2006
Context and current metadata standards (short entry)
Encyclopedia of Multimedia, pp. 123–124, 2006
2005
The design and implementation of a query algebra for multimedia meta objects
4th International Workshop on Web Semantics (WebS), 2005