(eng): We present a comprehensive information system for processing and archiving material analyses data produced during art restoration process - Nephele. The Nephele is a database system extended with image analyzing modules - image registration, segmentation, and object description and classification - designed for archiving and working with material analyses reports. Archiving all these data, Nephele can act as a knowledge base and an expert system for future advanced analyses. Image-type data of the archived reports are pre-processed, analyzed, and described for further evaluation.