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Now showing items 141-150 of 484
A new perspective to automatically rank scientific conferences using digital libraries
(2005)
Citation analysis is performed in order to evaluate authors and scientific collections, such as journals and conference proceedings. Currently, two major systems exist that perform citation analysis: Science Citation Index ...
On solving efficiently the view selection problem under bag-semantics
(2009)
In this paper, we investigate the problem of view selection for workloads of conjunctive queries under bag semantics. In particular we aim to limit the search space of candidate viewsets. In that respect we start delineating ...
Representing time-dependent information in multidimensional XML
(2001)
Multidimensional XML (MXML) is an extension of XML that incorporates dimensions in order to represent in an elegant and concise way context-dependent data, that is, data which can exhibit different variations in value or ...
Dependency management for digital preservation using semantic web technologies
(2009)
The preservation of digital objects is a topic of
prominent importance for archives and digital libraries. In
this article, we focus on the problem of preserving the intelligibility
of digital objects.We formalize the ...
Strategic planning and management for the public libraries. the case of Greek central public libraries
(2009)
The purpose of the paper is twofold: to provide an overview of the present situation at the
Greek central public libraries and to identify strategic development areas in regard to education and
training, social and economic ...
Enhancing library services with web 2.0 functionalities
(2008)
In this paper, a prototype of an Online Public Access Catalog (OPAC) is presented. This new OPAC features new functionalities and utilizes web 2.0 technologies in order to deliver improved search and retrieval services. ...
Job satisfaction among Greek academic librarians
(2004)
This study, which investigated job satisfaction among academic librarians in Greece, used the Employee Satisfaction Inventory (ESI). The instrument assessed six dimensions of job satisfaction: "working conditions," "pay," ...
Specific Selection of FFT Amplitudes from Audio Sports and News Broadcasting for Classification Purposes
(2007)
In this paper we investigate the problem of classification between sports and news broadcasting. We detect and classify files that consist of speech and music or background noise (news broadcasting), and speech and a noisy ...
Designing views to efficiently answer real SQL queries
(2005)
The problem of optimizing queries in the presence of materialized views and the related view-design problem have recently attracted a lot of attention. Significant research results have been reported, and materialized views ...
Methodology of analysis and interrelation of data about quality indexes of library services by using data- and knowledge- mining techniques
(2009)
Purpose - This paper aims to describe a data analysis methodology using data- and knowledge-mining techniques focused on libraries. It concerns data analysis techniques in general, as well as ways in which they could be ...