We examine and analyze the access policies of the digital collections of ten national libraries. We classify the implemented access policies, according to their characteristics, and we show their differences. We generalize ...

Abstract. In this paper, we investigate the issues of performance management in large scale, autonomous and federated digital library systems, performing the tasks of indexing, searching and retrieval of information objects. ...

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 ...

The access and reproduction policies of the digital collections of fifteen leading academic and national digital libraries worldwide are classified according to factors such as the creation type of the material, acquisition ...

The access and reproduction policies of the digital collections of ten leading university digital libraries worldwide are classified according to factors such as the creation type of the material, acquisition method, ...

Evaluation of digital libraries assesses their effectiveness, quality and overall impact. In this paper we present a novel, multi-level logging framework that will provide complete coverage of the different aspects of DL ...

This study aims to investigate the query formulation and reformulation patterns such as generalisations, specifications, parallel movements and replacements with synonyms within the search procedure. Results showed that ...

Evaluation of digital libraries assesses their effectiveness, quality and overall impact. To facilitate the comparison of different evaluations and to support the re-use of evaluation data, we are proposing a new logging ...

We examine the disposition policies of Electronic Theses and Dissertations (ETDs) among three institutions: National Documentation Centre of Greece (NDC), Virginia Tech (VT) and West Virginia University (WVU) of USA. In ...

We present the results of a questionnaire survey for the access and reproduction policies of 67 digital collections in 34 libraries (national, academic, public, special etc) from 13 countries. We examine and analyze the ...