Research and Advanced Technology for Digital Libraries: by Moira C. Norrie (auth.), Stefan Gradmann, Francesca Borri,

By Moira C. Norrie (auth.), Stefan Gradmann, Francesca Borri, Carlo Meghini, Heiko Schuldt (eds.)

This ebook constitutes the refereed lawsuits of the foreign convention on idea and perform of electronic Libraries, TPDL 2011 - previously referred to as ECDL (European convention on learn and complicated know-how for electronic Libraries) - held in Berlin, Germany, in September 2011.
The 27 complete papers, thirteen brief papers, nine posters and nine demos offered during this quantity have been conscientiously reviewed and chosen from 162 preliminary submissions. additionally the e-book includes the summary of two keynote speeches and an appendix mentioning details at the doctoral consortium, in addition to the panel, that have been held on the convention. The papers are grouped in topical sections on networked details, semantics and interoperability, structures and architectures, textual content and multimedia retrieval, collaborative info areas, DL functions and criminal features, person interplay and knowledge visualization, person experiences, records and repositories, europeana, and preservation.

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Additional resources for Research and Advanced Technology for Digital Libraries: International Conference on Theory and Practice of Digital Libraries, TPDL 2011, Berlin, Germany, September 26-28, 2011. Proceedings

Example text

9%). The upper bound of the dark portion down to the upper bound of the gray portion represents the retrieval gain due to applying the second method. The height of the white portion of the bar corresponds to the final number of URIs that are left undiscovered after applying all three methods (23%) in the combination T-LS-TA. Figure 2(b) displays the data in the same way for the combination T-TA-LS. The color scheme remains the same with respect to the method meaning dark is still the title, gray still the lexical signature and white still represents tags.

Nelson page can be found in the web infrastructure. If that fails we have no means to gain knowledge of the “aboutness” of the missing page. As a third option we are motivated to investigate the retrieval performance of tags left by Delicious users to annotate URIs. We see several intriguing aspects for using tags: Unlike titles and lexical signatures tags may be available even if no old copy of a missing page can be found. That means even if we can not obtain the title or generate the lexical signature of the missing page we may find tags describing its content.

In a similar manner, Cchangeik captures the ratio of the change in the author’s connectivity with other cliques, P changeik captures the change with regards to the volume of the papers produced from ti−1 until ti , and Ichangeik the change in her publications’ impact. EIT k = max Schangeik · St2 k · ti ∈T Schangeik (5) ti ∈T where t2 is the final time point in the examined time frame T . Equation 5 captures the evolution of the author over the time frame T , and measures the dynamics of the author in the dimension of feature S, as it takes into account the maximum occurred change, the standing of the authors according to S in the final time point, and the sum of all occurred changes.

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