| 2012 | GI | OCEMES: Measuring Overall and Component-based Energy Demands of Mobile and Embedded Systems. | Christian Bunse, Hagen Hpfner |
| 2012 | GI | Software-based Energy Requirement Measurement for Smartphones. | Maximilian Schirmer, Hagen Hpfner |
| 2012 | ICSoft | On Measuring Smartphones' Software Energy Requirements. | Hagen Hpfner, Maximilian Schirmer, Christian Bunse |
| 2012 | WEBIST | Temporal Aspects-based Replacement in Media Object Caches. | Hagen Hpfner, Andreas Thenn, Maximilian Schirmer |
| 2011 | ICSoft | Energy Awareness Needs a Rethinking in Software Development. | Hagen Hpfner, Christian Bunse |
| 2009 | BTW | MyMIDP and MyMIDP-Client: Direct Access to MySQL Databases from Cell Phones. | Hagen Hpfner, Jrg Schad, Sebastian Wendland, Essam Mansour |
| 2009 | EDBT | An approach to detecting relevant updates to cached data using XML and active databases. | Essam Mansour, Hagen Hpfner |
| 2009 | ICSoft | Choosing the "Best" Sorting Algorithm for Optimal Energy Consumption. | Christian Bunse, Hagen Hpfner, Suman Roychoudhury, Essam Mansour |
| 2009 | ICSoft | Energy Efficient Data Sorting Using Standard Sorting Algorithms. | Christian Bunse, Hagen Hpfner, Suman Roychoudhury, Essam Mansour |
| 2009 | ICSoft | On Analyzing the Database Performance for Different Classes of XML Documents based on the used Storage Approach. | Hagen Hpfner, Jrg Schad, Essam Mansour |
| 2009 | ICSoft | Data Caching on Mobile Devices - The Experimental MyMIDP Caching Framework. | Hagen Hpfner, Sebastian Wendland, Essam Mansour |
| 2009 | ICSoft | Applying State-of-the-Art Techniques for Embedded Software Adaptation. | Suman Roychoudhury, Christian Bunse, Hagen Hpfner |
| 2009 | MDM | Exploring the Energy Consumption of Data Sorting Algorithms in Embedded and Mobile Environments. | Christian Bunse, Hagen Hpfner, Essam Mansour, Suman Roychoudhury |
| 2009 | MDM | Towards an XML-Based Query and Contextual Information Model in Context-Aware Mobile Information Systems. | Essam Mansour, Hagen Hpfner |
| 2008 | ICSoft | Resource Substitution With Components - Optimizing Energy Consumption. | Christian Bunse, Hagen Hpfner |
| 2008 | ICSoft | Towards Compact Operator Trees for Query Indexing. | Hagen Hpfner, Erik Buchmann |
| 2007 | ICSoft | Resource Substitution for the Realization of Mobile Information Systems. | Hagen Hpfner, Christian Bunse |
| 2006 | ICSoft | On context aware predicate sequence queries. | Hagen Hpfner |
| 2005 | GI | Towards Update Relevance Checks in a Context Aware Mobile Information System. | Hagen Hpfner |
| 2004 | GI | Serverseitige Auswertung von Indexen semantischer, clientseitiger Caches in mobilen Informationssystemen. | Hagen Hpfner |
| 2002 | GI | Replication in Mobile Information Systems. | Hagen Hpfner |
| 2001 | BTW | Replikation in mobilen Datenbanken. | Hagen Hpfner |