In the last decade, the importance of analyzing information management systems logs has grown, because log data constitute a relevant aspect in evaluating the quality of such systems. A review of 10 years of research on log analysis is presented in this study. About 50 papers and posters from five major conferences and about 30 related journal papers have been selected to trace the history of the state-of-the-art in this field. The study presents an overview of two main themes: Web search engine log analysis and digital library system log analysis. The problem of the analysis of different sources of log data and the distribution of data are investigated
This article reports the findings of a user study conducted in the context of the TELplus project to gain insights about user needs and preferences for the digital library services offered by The European Library Web portal. The user requirements collection for the Web portal was designed by adopting a comprehensive survey approach. This combined explicit user feedback with implicit usage data so as to provide a more in-depth analysis of user experience with the portal. The analysis conducted shed light on likely motivations for both participant usage and reluctance to use the services provided, leading to more informed decisions on how to refine, improve, and present Web portal services to their future users. The lessons learnt from this case study also contributed to the development of an integrated methodological framework which provided insights for the future design and evaluation of digital library Web portals and services
The study of cross-lingual \acp{IRS} and a deep analysis of system performances should provide
guidelines, hints, and directions to drive the design and development of the next generation
\ac{MLIA} systems. In addition, effective tools for interpreting and comparing the experimental
results should be made easily available to the research community. To this end, we propose a
twofold methodology for the evaluation of \ac{CLIR} systems: statistical analyses to provide
\ac{MLIA} researchers with quantitative and more sophisticated analysis techniques; graphical tools
to allow for a more qualitative comparison and an easier presentation of the results. We provide
concrete examples about how the proposed methodology can be applied by studying the monolingual and
bilingual tasks of the \ac{CLEF} 2005 and 2006 campaigns
EuropeanaConnect delivers core components which are essential for the realisation of the European Digital Library (Europeana) as a truly interoperable, multilingual and user-oriented service for all European citizens
A new methodology for the evaluation of \ac{MLIA} systems is proposed. This two-fold methodology exploits both statistical analyses and graphical tools in order to provide \ac{MLIA} researchers guidelines, hints, and directions to drive the design and development of the next generation systems, and to provide a means to interpret and compare experimental results and to present these results to other research communities. An example of the application of this methodology is applied in the real-case study of the monolingual and bilingual tasks of the \ac{CLEF} 2005 and 2006
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