The wide adoption of the Z39.50 protocol from the Libraries exposes their abilities to participate in a distributed environment. In spite of the protocol specification of a unified global access mechanism, query failures ...

Next generation display and indexing of cataloging records are mainly influenced from the development of the FRBR conceptual model. While the process for collecting all relevant bibliographic records in a catalogue to an ...

The interest in the analysis of library user behaviour has been increasing rapidly since the advent of digital libraries and the Internet. In this context, the authors analyze the queries posed to a digital library and ...

A graph of Access Points can be used as a tool in a number of applications such as, clarification and better understanding of their semantics and inter-relations, query transformations, more precise query formulation, etc. ...

Meta-searching library communities involve access to sources where metadata are invisible behind query interfaces. Many of the query interfaces utilize predefined abstract Access Points for the implementation of the search ...

The lack of information integration, by the existing online systems, for resource sharing in a distributed environment, impacts directly to the development and the usage of dynamically defined Virtual Union Catalogues. In ...

Unsupported Z39.50 Access Points result to query failures and/or inconsistent answers, in spite of the protocol specification for a unified global access mechanism. A challenge to this issue is to substitute an unsupported ...

Purpose - This paper aims to describe how approaches such as semantic based query rewritings and FRBR work entities composition could solve existing problems and improve the overall behavior of a mediated based meta-search ...

To εννοιολογικό μοντέλο των FRBR αποτελεί ένα πεδίο το οποίο τυγχάνει όλο και μεγαλύτερης προσοχής τόσο μέσα στα περιορισμένα όρια των καταλόγων βιβλιοθηκών όσο και έξω από αυτά ως ένα όχημα που θα επιτρέψει στους καταλόγους ...

Η πληθώρα των πληροφοριών που η επανάσταση της δικτύωσης έχει κάνει διαθέσιμη, βρίσκεται συχνά κατανεμημένη σε πολλούς φορείς, συνήθως οργανωμένη Θεματικά. Όταν οι χρήστες θέλουν να την προσπελάσουν, φυσιολογικά πρέπει να ...