3 papers from researchers of the Nucleus Millennium Project have been accepted at the 18th International Conference on Database Theory (ICDT 2015). ICDT is one of the top international conferences in database theory, in which researchers from the top groups in the area published their works. The accepted papers are:

• Pablo Barceló and Gaelle Fontaine. On the Data Complexity of Consistent Query Answering over Graph Databases.
• Egor V. Kostylev, Juan L. Reutter and Martin Ugarte. CONSTRUCT Queries in SPARQL.
• Juan Reutter, Miguel Romero and Moshe Vardi. Regular Queries on Graph Databases.