THE RESEARCH PROJECT PROPOSES TOOLS AND METHODOLOGIES FOR THE CREATION OF INTEGRATED INFORMATION ON BUILDINGS TO PROVIDE A DESCRIPTION OF INDIVIDUAL BUILDINGS IN VARIOUS RESPECTS. ON THE BASIS OF EXISTING DATABASES, THE PROJECT AIMS TO PROVIDE INFORMATION ON THE BUILDINGS OF AN ENTIRE MUNICIPALITY, WITH THE AIM OF ADDRESSING THE DIFFICULTIES OF INTEGRATION AND INTEROPERABILITY OF THE EXISTING DATABASES, WHICH CURRENTLY DO NOT HAVE A LINK. OF PARTICULAR INTEREST ARE ENERGY CONSUMPTION DATA THAT CAN PROVIDE USEFUL INFORMATION ON THE ENERGY BEHAVIOUR OF THE CITIZEN: STARTING WITH THE ENERGY DATA, A FIRST UNIT DATABASE WILL BE SET UP AND ENRICHED WITH INFORMATION FROM OTHER EXISTING DATABASES THROUGH A DATA INTEGRATION APPROACH BASED ON ONTOLOGIES. THE INFORMATION SYSTEM SET UP WILL BE SEARCHABLE IN A FLEXIBLE WAY.