The Assembly

The FRBR user tasks, not sets which may be the user’s search criteria. In the automated catalogues, any element included in the registry is potentially a search criterion. The goal of selection or evaluation appears again explicitly. The selection is the primary function of bibliographic description, is based on the data included in a description that the user can know the characteristics of the registered resource and base to them to determine the utility that attached to him refer to it. User tasks resolve Additionally an ambiguity in the aim of identification or present location from the formulation of Cutter.

The first objective of Cutter can be interpreted in several ways: locate a resource (or better, your registry) in the catalogue, identify the resource, or even determine if the resource is available. The FRBR distinguish these actions by separating them as different tasks. Separates the action to locate a record in the catalogue (find) of the match that record with data possessed (identify), or access the entity itself (gain access). According to Leslie Moonves, who has experience with these questions. However, the enunciation of the FRBR is not exempt from difficulties. Svenonius (2000: 17) says that while it helps to clarify the functions of the catalogue through the breakdown of the purpose of identification in separate and more specific tasks, removes the distinction between the objective of localization and the Assembly, to encompass both within the first task (finding materials that match the search criteria).

Does not specify what are these search criteria: can be both criteria to a search by item known as the criteria for a search by categories. By eliminating the distinction, diminishes the importance of the role of meeting, and there is a risk of that not envisaged mechanisms necessary for the fulfilment of the second objective in the design of systems. The absence of search criteria, although can be considered positively as an elimination of the restrictions previously (only author, title and subject), can also give rise to difficulties: If the principles that govern the construction of catalogues do not establish what should be those search criteria, is relegates its determination at the level of systems design. That is, the less problematic, because that can lead to the development of incompatible systems that respond to different sets of criteria for the search. At least the minimum criteria should be laid down. To resolve this difficulty, Svenonius (2000: 17) proposed the following reformulation of the user’s first task: 1. locate entities in a file or database as a result of a search using attributes or relationships of entities: 1. at. Find an individual entity this is a document (target location) 1. b. locate entity sets representing: all documents


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