this research aims to explore the integration possibilities of forms and techniques taken from Linked data and semantic web initiatives in the context of vertical applications, such as shared catalog systems. A theoretical model based on the combination of data detectors, learning by examples applications (LBE) and thematic knowledge databases is proposed as a valid methodology to explore in order to provide a next generation of shared catalogs.

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The Biblioteca Valenciana was created by the decree 5/1985 of the 8th of January and is presented primarily as “upper library centre of the Generalitat Valenciana and basic bibliographic deposit” which depends on the Conselleria for Culture, Education, and Sport. For this reason, it is the head of the library system of the Comunidad Valenciana, Conselleria, and as such, it has established objectives in the eighth article of the Law 10/1986 of 30th of December of Organización Bibliotecaria de la Comunidad Valenciana between which are emphasised “to meet, to conserve and divulge the Valencian bibliographic inheritance and all the printed, sound and visual production, about the Comunidad Valenciana.” It is also made up as “receiver of one of the examples proceeding from the offices of the Depósito Legal “and it is attributed the obligation of fulfilling the collective catalogue of the Valencian bibliographic and cultural inheritance. Furthermore, the Valancian library must insert itself into the denominated National Libraries, and for this reason, in the Comunidad Valenciana, it is in charge of uniting history, tradition, and in the future of the obtaining of political libraries, because it is defined as “central expert of the carefully worked political library in the Valencian library system” and, for this reason, must be in charge of “elaborating and divulging the bibliographic information about the Valencian editorial production and of maintaining the cooperation with the library services of different scopes.” In fulfilment of its responsibilities and with the intention of obtaining the maximum spread of the bibliographic and cultural inheritance, the Biblioteca Valenciana, in the setting of its Digitization policy, has dedicated and dedicates many resources in four lines or different solutions. In the first place, it coedits with different publishers, monographs, or titles of magazines which permit the recuperation and spreading of the Valencian inheritance. Some examples are Ruedo Ibérico, L’Espill, or La República de les Lletres. In the second place, it digitalizes different resources which can be consulted from the catalogue. This solution is especially oriented to the preservation and conservation of the collections, and enables the users to be able to see from their computers the supplies to which the descriptions belong, and can decide if they are useful or not for their consultation, instead of indiscriminately asking for them, thus reducing the moving and manipulation of the original copies. The library is also working on the digitalization of material, especially all personal files, which do not belong to them, but which are of great importance. Finally, the Biblioteca Valenciana has begun the Biblioteca Valenciana Digital, (BIVALDI), which is the object of the present project, and which we are going to describe in detail in the following sections.