The European Community project COLLATE (Collaboratory for Annotation, Indexing and Retrieval of Digitized Historical Archive Material) is concerned with digitised historical/cultural material. One of the main features of COLLATE system architecture is the integration of software components that exploit state-of-the-art techniques coming from the area of Artificial Intelligence and Knowledge Rep...

The implementation of word spotting is not an easy procedure and it gets even worse in the case of historical documents since it requires character recognition and indexing of the document images. A general technique for word spotting is presented, independent of OCR, using automatic representation of the text queries of the user by word images and comparing them with the word images extracted ...

This paper focuses on a set of structured document applications that we have denoted databases of historical documents. The information into these documents is closely related to the time in which they are created while being still of great usefulness in the future. The main contribution of this paper is the formulation of a group of operators and predicates that express retrieval conditions ov...

Abstract Iron gall ink was used in the Western world as a permanent writing material already late Roman times and throughout Middle Ages, until it became obsolete twentieth century. There is much interest experimental methods to determine state of its degradation products on historical documents. Mössbauer spectroscopy with 57 Fe such method, has particular advantage be sensitive chemical bondi...