Balancing Smartness and Privacy for the Ambient Intelligence. - Harold van Heerde; Nicolas Anciaux; Ling Feng; Peter M. G. Apers (EuroSSC, 2006)

Data degradation: making private data less sensitive over time. - Nicolas Anciaux; Luc Bouganim; Harold van Heerde; Philippe Pucheral; Peter M. G. Apers (CIKM, 2008)

InstantDB: Enforcing Timely Degradation of Sensitive Data. - Nicolas Anciaux; Luc Bouganim; Harold van Heerde; Philippe Pucheral; Peter M. G. Apers (ICDE, 2008)

The Right Expert at the Right Time and Place. - Pavel Serdyukov; Ling Feng; Arthur H. van Bunningen; Sander Evers; Harold van Heerde; Peter M. G. Apers; Maarten M. Fokkinga; Djoerd Hiemstra (PAKM, 2008)

A Framework to Balance Privacy and Data Usability Using Data Degradation. - Harold van Heerde; Maarten M. Fokkinga; Nicolas Anciaux (CSE (3), 2009)

Privacy-aware data management by means of data degradation : making private data less sensitive over time. - Harold van Heerde (2010)