Computer in Use. Маркушевская Л.П - 91 стр.

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Университет ИТМО | Санкт-Петербург

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91
TEXT 1
SI*IN DIGITAL LIBRARIES
Digital libraries can be viewed as infrastructures for supporting the creation of
information sources, facilitating the movement of information across global
networks, and allowing the effective and efficient interaction among knowledge
producers, librarians and information and knowledge seekers. Typically, a digital
library is a vast collection of objects stored and maintained by multiple information
sources, including databases, image banks, file systems, email systems, the Web and
other methods and formats. Often, these information sources are heterogeneous**, in
terms of how the objects are stored, organized and managed, and the platforms on
which they reside. Moreover, the information sources are dynamic in the sense they
may be either included in or removed from the digital library system. Furthermore,
digital libraries are composite*** multimedia objects comprising different media
components including text, video, images, or audio. Therefore, the challenge is to
provide users with the ability to seamlessly and transparently access to digital library
objects in spite of the heterogeneity and dynamism among the information sources,
and the composite multimedia nature of the objects. To accomplish this, the problem
of heterogeneity and SI must first be resolved.
Although there have been several techniques proposed by the research community,
especially the database and agent communities, these techniques cannot be easily
adapted to digital library environments. This is because, while database integration
primarily deals with structured textual data, SI in digital libraries requires the ability
to deal with massive amount of multimedia objects.
Notes
*SI – system integration
**heterogeneous – разнородный
***composite – составной, комбинированный
Abstract (Summary) to Text 1
Text “SI in Digital Libraries” is about the creation of information sources and
the movement of information via global networks. This information may be of
interest to students, professors and research community engaged in studying the
techniques of adapting to digital library environment.
Резюме (Resumé) – вид компрессии текста, в котором допускается
краткая оценка исходного материала и выводы из прочитанного.
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требуется изложение текста в виде устного резюме.
Резюме состоит из трех частей, которые соединяются в единое целое с
помощью определенных речевых клише.

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