A Public Index of Case Law References - the End of Multiple and Complex Citations. - Marc van Opijnen (JURIX, 2006)

Finding Case Law on a European Scale - Current Practice and Future Work. - Marc van Opijnen (JURIX, 2008)

Canonicalizing Complex Case Law Citations. - Marc van Opijnen (JURIX, 2010)

Citation Analysis and Beyond: in Search of Indicators Measuring Case Law Importance. - Marc van Opijnen (JURIX, 2012)

A model for automated rating of case law. - Marc van Opijnen (ICAIL, 2013)

Implementation of ECLI - State of Play. - Marc van Opijnen; Alexander Ivantchev (JURIX, 2015)

Towards a Global Importance Indicator for Court Decisions. - Marc van Opijnen (JURIX, 2016)

Towards ECLI 2.0. - Marc van Opijnen; Monica Palmirani; Fabio Vitali; Jos van den Oever; Tommaso Agnoloni (CeDEM, 2017)

BO-ECLI Parser Engine: the Extensible European Solution for the Automatic Extraction of Legal Links. - Tommaso Agnoloni; Lorenzo Bacci; Marc van Opijnen (ASAIL@ICAIL, 2017)

Linking European Case Law: BO-ECLI Parser, an Open Framework for the Automatic Extraction of Legal Links. - Tommaso Agnoloni; Lorenzo Bacci; Ginevra Peruginelli; Marc van Opijnen; Jos van den Oever; Monica Palmirani; Luca Cervone; Octavian Bujor; Arantxa Arsuaga Lecuona; Alberto Boada García; Luigi Di Caro; Giovanni Siragusa (JURIX, 2017)

On the concept of relevance in legal information retrieval. - Marc van Opijnen; Cristiana Santos (Artif. Intell. Law, 2017)

The EU Council Conclusions on the Online Publication of Court Decisions. - Marc van Opijnen (Law via the Internet, 2018)

(Meta)data for official governmental information: The TOOI ontology and knowledge graph. - Jan Voskuil; Marc van Opijnen; Hans Overbeek; Theun Fleer; Wessel Schollmeijer (JOWO, 2024)