Search (668 results, page 1 of 34)

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Abstract

»Wann versteht mich mein Computer endlich?« So könnte man die Quintessenz der 1. DGI-Konferenz, ausgerichtet von der Deutschen Gesellschaft für Informationswissenschaft und Informationspraxis (DGI) anlässlich der diesjährigen Frankfurter Buchmesse zusammenfassen, in deren Rahmen zugleich die 62. DGI-Jahrestagung stattgefunden hat. Unter dem Motto »Semantic Web & Linked Data - Elemente zukünftiger Informationsinfrastrukturen« kamen vom 7. bis 9. Oktober 2010 über 400 Informationsfachleute aus Wissenschaft, Bildung, Verwaltung, Wirtschaft und Bibliotheken zusammen, um ihre Arbeiten und Erkenntnisse zur nächsten Generation der Webtechnologien vorzustellen und untereinander zu diskutieren.

Source

BuB. 63(2011) H.1, S.22-23

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Date

22. 1.2016 14:08:11

Source

Journal of the Association for Information Science and Technology. 67(2016) no.2, S.400-411

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Classification

400

Ddc

400

DDC

400

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Classification

ET 400 (BVB)

Date

22. 7.2013 10:53:30

RVK

ET 400 (BVB)

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Content

Vgl.: http%3A%2F%2Fcreativechoice.org%2Fdoc%2FHansJonas.pdf&usg=AOvVaw1TM3teaYKgABL5H9yoIifA&opi=89978449.

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Abstract

A new collaborative approach in information organization and sharing has recently arisen, known as collaborative tagging or social indexing. A key element of collaborative tagging is the concept of collective intelligence (CI), which is a shared intelligence among all participants. This research investigates the phenomenon of social tagging in the context of CI with the aim to serve as a stepping-stone towards the mining of truly valuable social tags for web resources. This study focuses on assessing and evaluating the degree of CI embedded in social tagging over time in terms of two-parameter values, number of participants, and top frequency ranking window. Five different metrics were adopted and utilized for assessing the similarity between ranking lists: overlapList, overlapRank, Footrule, Fagin's measure, and the Inverse Rank measure. The result of this study demonstrates that a substantial degree of CI is most likely to be achieved when somewhere between the first 200 and 400 people have participated in tagging, and that a target degree of CI can be projected by controlling the two factors along with the selection of a similarity metric. The study also tests some experimental conditions for detecting social tags with high CI degree. The results of this study can be applicable to the study of filtering social tags based on CI; filtered social tags may be utilized for the metadata creation of tagged resources and possibly for the retrieval of tagged resources.

Date

25.12.2012 15:22:37

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Source

http://www.google.de/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CDQQFjAE&url=http%3A%2F%2Fdigbib.ubka.uni-karlsruhe.de%2Fvolltexte%2Fdocuments%2F3131107&ei=HzFWVYvGMsiNsgGTyoFI&usg=AFQjCNE2FHUeR9oQTQlNC4TPedv4Mo3DaQ&sig2=Rlzpr7a3BLZZkqZCXXN_IA&bvm=bv.93564037,d.bGg&cad=rja

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Classification

ET 400

RVK

ET 400

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Pages

S.400-408

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Footnote

Rez. in: Philosophisch-ethische Rezensionen vom 09.11.2019 (Jürgen Czogalla), Unter: https://philosophisch-ethische-rezensionen.de/rezension/Goedert1.html. In: B.I.T. online 23(2020) H.3, S.345-347 (W. Sühl-Strohmenger) [Unter: https%3A%2F%2Fwww.b-i-t-online.de%2Fheft%2F2020-03-rezensionen.pdf&usg=AOvVaw0iY3f_zNcvEjeZ6inHVnOK]. In: Open Password Nr. 805 vom 14.08.2020 (H.-C. Hobohm) [Unter: https://www.password-online.de/?mailpoet_router&endpoint=view_in_browser&action=view&data=WzE0MywiOGI3NjZkZmNkZjQ1IiwwLDAsMTMxLDFd].

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Content

Bill Howe and his colleagues at the University of Washington, in Seattle, decided to find out. First, they trained a computer algorithm to distinguish between various sorts of figures-which they defined as diagrams, equations, photographs, plots (such as bar charts and scatter graphs) and tables. They exposed their algorithm to between 400 and 600 images of each of these types of figure until it could distinguish them with an accuracy greater than 90%. Then they set it loose on the more-than-650,000 papers (containing more than 10m figures) stored on PubMed Central, an online archive of biomedical-research articles. To measure each paper's influence, they calculated its article-level Eigenfactor score-a modified version of the PageRank algorithm Google uses to provide the most relevant results for internet searches. Eigenfactor scoring gives a better measure than simply noting the number of times a paper is cited elsewhere, because it weights citations by their influence. A citation in a paper that is itself highly cited is worth more than one in a paper that is not.
As the team describe in a paper posted (http://arxiv.org/abs/1605.04951) on arXiv, they found that figures did indeed matter-but not all in the same way. An average paper in PubMed Central has about one diagram for every three pages and gets 1.67 citations. Papers with more diagrams per page and, to a lesser extent, plots per page tended to be more influential (on average, a paper accrued two more citations for every extra diagram per page, and one more for every extra plot per page). By contrast, including photographs and equations seemed to decrease the chances of a paper being cited by others. That agrees with a study from 2012, whose authors counted (by hand) the number of mathematical expressions in over 600 biology papers and found that each additional equation per page reduced the number of citations a paper received by 22%. This does not mean that researchers should rush to include more diagrams in their next paper. Dr Howe has not shown what is behind the effect, which may merely be one of correlation, rather than causation. It could, for example, be that papers with lots of diagrams tend to be those that illustrate new concepts, and thus start a whole new field of inquiry. Such papers will certainly be cited a lot. On the other hand, the presence of equations really might reduce citations. Biologists (as are most of those who write and read the papers in PubMed Central) are notoriously mathsaverse. If that is the case, looking in a physics archive would probably produce a different result.

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Classification

400 / 23sdnb

DDC

400 / 23sdnb

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Abstract

There are close to a billion websites on the Internet with approximately 400 million users worldwide [www.internetworldstats.com]. People go to websites for a wide variety of different information tasks, from finding a restaurant to serious research. Many of the difficulties with searching the Web, as it is structured currently, can be attributed to increases to scale. The content of the Web is now so large that we only have a rough estimate of the number of sites and the range of information is extremely diverse, from blogs and photos to research articles and news videos.

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Source

Knowledge organization. 40(2013) no.6, S.400-407

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Source

Knowledge organization. 42(2015) no.6, S.399-400

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Content

Vgl.: https%3A%2F%2Faclanthology.org%2FD19-5317.pdf&usg=AOvVaw0ZZFyq5wWTtNTvNkrvjlGA.

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Footnote

https%3A%2F%2Fjournals.univie.ac.at%2Findex.php%2Fvoebm%2Farticle%2Fdownload%2F5332%2F5271%2F&usg=AOvVaw2yQdFGHlmOwVls7ANCpTii.

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Content

"Ein universelles Netzwerk, das die Verbreitung von Wissen erlaubt." In seinem 400 Seiten dicken Buch "Traité de documentation" sammelte er all diese Ideen. Er skizzierte eine wissenschaftliche Konferenz, die per Telefon übertragen werden sollte und spann die Idee weiter - warum nicht auch mit Bildübertragung? "Radiotelefotografie"! Grammophone sollten gesprochene Informationen archivierbar und reproduzierbar machen. "Kürzlich haben wir einen Text aus dem Jahr 1907 gefunden, in dem er von einem mobilen Telefon spricht", sagt der Archivar Gillen, während er behutsam die dünnen Original-Skizzen Otlets von all diesen Visionen wieder einpackt. Besonders das neue Medium Radio faszinierte Otlet - ermöglichte es doch, Informationen kabellos über weite Strecken zu versenden und dabei beliebig viele Empfänger zu erreichen. Für ihn ein kleiner Schritt zu seinem Traum, den er 1934 formulierte: einem "universellen Netzwerk, das die Verbreitung von Wissen ohne Beschränkung erlaubt." Jeder Mensch würde "im Sessel" auf den aktuellen Stand des Weltwissens zugreifen können, "applaudieren, Ovationen geben und im Chor singen." Alle weltweiten Entwicklungen würden aufgezeichnet werden, sobald sie entstünden: "So entsteht ein bewegliches Bild der Welt - ihr Gedächtnis, ihr wahres Duplikat." Ein "mechanisches, kollektives Gehirn".

Date

24.10.2008 14:19:22

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Abstract

Die Visionen von einer »Weltbibliothek« sind so alt wie die Institution der Bibliothek selbst. So lag beispielsweise der Gründung der Bibliothek im ägyptischen Alexandria im 3. Jahrhundert vor Christus das Konzept einer »Universalbibliothek« zugrunde. In dieser Bibliothek standen nach Angaben antiker Autoren zwischen 400 000 und 700 000 Papyrus-Rollen zur Verfügung. Der Auftrag der Bibliothek bestand ausdrücklich in der Sammlung »aller Bücher des gesamten Erdkreises«. Es ging also darum, das »Wissen der Welt« an einem Ort verfügbar zu machen. Die Möglichkeit, Bücher in Bits und Bytes zu überführen und sie in dieser digitalen Form dann über das Internet zugänglich zu machen, hat dieser Utopie eine neue Richtung gegeben. Die »digitale Weltbibliothek« wird nicht an einem Ort errichtet, sondern ist potenziell von jedem Ort aus - und zu jeder Zeit - zugänglich.

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Source

Journal of the Association for Information Science and Technology. 65(2014) no.2, S.400-413