Search (247 results, page 1 of 13)

  • × theme_ss:"Internet"
  • × year_i:[2010 TO 2020}
  1. Almeida Mariz, A.C.; Melo, R.O.; Almeida Mariz, T.: Challenges of organization and retrieval of photographs on social networks on the Internet (2018) 0.04
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    Series
    Advances in knowledge organization; vol.16
    Source
    Challenges and opportunities for knowledge organization in the digital age: proceedings of the Fifteenth International ISKO Conference, 9-11 July 2018, Porto, Portugal / organized by: International Society for Knowledge Organization (ISKO), ISKO Spain and Portugal Chapter, University of Porto - Faculty of Arts and Humanities, Research Centre in Communication, Information and Digital Culture (CIC.digital) - Porto. Eds.: F. Ribeiro u. M.E. Cerveira
  2. Bhatia, S.; Biyani, P.; Mitra, P.: Identifying the role of individual user messages in an online discussion and its use in thread retrieval (2016) 0.03
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    Abstract
    Online discussion forums have become a popular medium for users to discuss with and seek information from other users having similar interests. A typical discussion thread consists of a sequence of posts posted by multiple users. Each post in a thread serves a different purpose providing different types of information and, thus, may not be equally useful for all applications. Identifying the purpose and nature of each post in a discussion thread is thus an interesting research problem as it can help in improving information extraction and intelligent assistance techniques. We study the problem of classifying a given post as per its purpose in the discussion thread and employ features based on the post's content, structure of the thread, behavior of the participating users, and sentiment analysis of the post's content. We evaluate our approach on two forum data sets belonging to different genres and achieve strong classification performance. We also analyze the relative importance of different features used for the post classification task. Next, as a use case, we describe how the post class information can help in thread retrieval by incorporating this information in a state-of-the-art thread retrieval model.
    Date
    22. 1.2016 11:50:46
  3. Ludwig, L.: Lösung zum multilingualen Wissensmanagement semantischer Informationen (2010) 0.03
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    Content
    "Bis vor wenigen Jahren waren kürzere physische Schriftstücke und Bücher die bevorzugten Mittel beim Gedankenverfassen und Gedankenaustausch. Dokumentenregister halfen beim Auffinden, Gliederungen unterstützten beim Zurechtfinden, ggf. assistierten Stichwortverzeichnisse beim Herauspicken. Diese inkrementelle Orientierung weicht zunehmend einer reinen Stichwortsuche in elektronischen Dokumentenkorpora, insbesondere dem WWW. Dokumentenregister, Gliederungen und Stichwortverzeichnisse werden von auf Wortindexen aufbauenden Suchmaschinen ausgehebelt. Das Suchergebnis verweist direkt auf einen einzelnen Textausschnitt (Snippet). Zurechtfinden im Dokument und Auffinden der richtigen Dokumente(nvorschläge) erfolgen nun, wenn überhaupt, in umgekehrter Reihenfolge und demgemäß unter Umständen sehr mühsam. Auf Anhieb erfolgreich ist eine solche Suche allerdings dann, wenn das Zieldokument auf das Stichwort völlig zugeschnitten erscheint, wenn also förmlich Textausschnitt, Kapitel und Dokument in eins fallen. Der Sog der Suchmaschinen zerschlägt die traditionelle sequentielle Dokumentengliederung, zerschlägt zuletzt das Dokument selbst in immer kleinere suchmaschinengerechte Einheiten. Auf solche Weise löst die Indexierung in Einzelwörter letztlich das Dokument selbst auf. Zurück bleibt allein eine Ansammlung indexgemäß geordneter Informationseinheiten: das Lexikon oder der Katalog. Im elektronisch gestützten Wissensmanagement nimmt nun das Wiki den Platz des Lexikons ein und der benamste Wikieintrag den Platz des Dokumentes."
  4. Bhattacharya, S.; Yang, C.; Srinivasan, P.; Boynton, B.: Perceptions of presidential candidates' personalities in twitter (2016) 0.02
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    Abstract
    Political sentiment analysis using social media, especially Twitter, has attracted wide interest in recent years. In such research, opinions about politicians are typically divided into positive, negative, or neutral. In our research, the goal is to mine political opinion from social media at a higher resolution by assessing statements of opinion related to the personality traits of politicians; this is an angle that has not yet been considered in social media research. A second goal is to contribute a novel retrieval-based approach for tracking public perception of personality using Gough and Heilbrun's Adjective Check List (ACL) of 110 terms describing key traits. This is in contrast to the typical lexical and machine-learning approaches used in sentiment analysis. High-precision search templates developed from the ACL were run on an 18-month span of Twitter posts mentioning Obama and Romney and these retrieved more than half a million tweets. For example, the results indicated that Romney was perceived as more of an achiever and Obama was perceived as somewhat more friendly. The traits were also aggregated into 14 broad personality dimensions. For example, Obama rated far higher than Romney on the Moderation dimension and lower on the Machiavellianism dimension. The temporal variability of such perceptions was explored.
    Date
    22. 1.2016 11:25:47
  5. Social Media und Web Science : das Web als Lebensraum, Düsseldorf, 22. - 23. März 2012, Proceedings, hrsg. von Marlies Ockenfeld, Isabella Peters und Katrin Weller. DGI, Frankfurt am Main 2012 (2012) 0.02
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    Editor
    Ockenfeld, M., I. Peters u. K. Weller
  6. Andrianasolo, N.; Chifu, A.-G.; Fournier, S.; Ibekwe-SanJuan, F.: Challenges to knowledge organization in the era of social media : the case of social controversies (2018) 0.02
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    Series
    Advances in knowledge organization; vol.16
    Source
    Challenges and opportunities for knowledge organization in the digital age: proceedings of the Fifteenth International ISKO Conference, 9-11 July 2018, Porto, Portugal / organized by: International Society for Knowledge Organization (ISKO), ISKO Spain and Portugal Chapter, University of Porto - Faculty of Arts and Humanities, Research Centre in Communication, Information and Digital Culture (CIC.digital) - Porto. Eds.: F. Ribeiro u. M.E. Cerveira
  7. Bawden, D.: Supporting truth and promoting understanding : knowledge Organization and the curation of the infosphere (2018) 0.02
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    Series
    Advances in knowledge organization; vol.16
    Source
    Challenges and opportunities for knowledge organization in the digital age: proceedings of the Fifteenth International ISKO Conference, 9-11 July 2018, Porto, Portugal / organized by: International Society for Knowledge Organization (ISKO), ISKO Spain and Portugal Chapter, University of Porto - Faculty of Arts and Humanities, Research Centre in Communication, Information and Digital Culture (CIC.digital) - Porto. Eds.: F. Ribeiro u. M.E. Cerveira
  8. Rondot, C.; Chevry-Pébayle, E.: Enhancement of digital heritage through digital social networks (2018) 0.02
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    Series
    Advances in knowledge organization; vol.16
    Source
    Challenges and opportunities for knowledge organization in the digital age: proceedings of the Fifteenth International ISKO Conference, 9-11 July 2018, Porto, Portugal / organized by: International Society for Knowledge Organization (ISKO), ISKO Spain and Portugal Chapter, University of Porto - Faculty of Arts and Humanities, Research Centre in Communication, Information and Digital Culture (CIC.digital) - Porto. Eds.: F. Ribeiro u. M.E. Cerveira
  9. Krabo, U.; Knitel, M.: Library linked data : Technologien, Projekte, Potentiale (2011) 0.02
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    Abstract
    Das Semantic Web und seine Auswirkungen auf Bibliotheken rücken immer mehr in den Fokus informationswissenschaftlicher Forschung. Dieser Artikel erläutert grundlegende funktionale wie technische Konzepte des Semantic Web, um darauf aufbauend in das Thema Library Linked Data einzuführen. Dafür werden einige kürzlich entstandene Projekte und Initiativen vorgestellt. Neben den Visionen und Zielen der jeweiligen Initiatoren, wie bessere Sichtbarkeit von bibliographischen Daten und Entwicklung neuer Applikationen, werden auch offene technische und rechtliche Fragestellungen bzw. Probleme kurzangerissen. In einem letzten Punkt werden mögliche praktische Linked Data-Anwendungsfalle für den österreichischen Kontext vorgestellt.
    Content
    Inhalt 1. Einleitung 2. Das Semantic Web 3. Technologien und Standards 4. Linked Data 5. Library Linked Data: Projekte und Erwartungen 6. Herausforderungen 7. LLD-Anwendungen in Österreich 8. Fazit
  10. Golinski, M.: Use, but verify : composite indices for measuring the information society (2010) 0.02
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    Abstract
    The paper presents a brief examination of the use of composite indices in the analysis of information society issues. The main pros and cons are presented.
    Source
    Information und Wissen: global, sozial und frei? Proceedings des 12. Internationalen Symposiums für Informationswissenschaft (ISI 2011) ; Hildesheim, 9. - 11. März 2011. Hrsg.: J. Griesbaum, T. Mandl u. C. Womser-Hacker
  11. Huvila, I.: Mining qualitative data on human information behaviour from the Web (2010) 0.02
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    Abstract
    This paper discusses an approach of collecting qualitative data on human information behaviour that is based on mining web data using search engines. The approach is technically the same that has been used for some time in webometric research to make statistical inferences on web data, but the present paper shows how the same tools and data collecting methods can be used to gather data for qualitative data analysis on human information behaviour.
    Source
    Information und Wissen: global, sozial und frei? Proceedings des 12. Internationalen Symposiums für Informationswissenschaft (ISI 2011) ; Hildesheim, 9. - 11. März 2011. Hrsg.: J. Griesbaum, T. Mandl u. C. Womser-Hacker
  12. Babik, W.: ¬The Internet as the present-day agora of information and knowledge (2017) 0.02
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    Series
    Fortschritte in der Wissensorganisation; Bd.13
    Source
    Theorie, Semantik und Organisation von Wissen: Proceedings der 13. Tagung der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation (ISKO) und dem 13. Internationalen Symposium der Informationswissenschaft der Higher Education Association for Information Science (HI) Potsdam (19.-20.03.2013): 'Theory, Information and Organization of Knowledge' / Proceedings der 14. Tagung der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation (ISKO) und Natural Language & Information Systems (NLDB) Passau (16.06.2015): 'Lexical Resources for Knowledge Organization' / Proceedings des Workshops der Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation (ISKO) auf der SEMANTICS Leipzig (1.09.2014): 'Knowledge Organization and Semantic Web' / Proceedings des Workshops der Polnischen und Deutschen Sektion der Internationalen Gesellschaft für Wissensorganisation (ISKO) Cottbus (29.-30.09.2011): 'Economics of Knowledge Production and Organization'. Hrsg. von W. Babik, H.P. Ohly u. K. Weber
  13. Bäcker, P.; Macit, U.: Computergestützte Freizeitplanung basierend auf Points Of Interest (2010) 0.02
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    Abstract
    Beschrieben wird die Entwicklung eines Systems, das auf Basis einer Point Of Interest-Datenbank eine automatische Freizeitplanung durchführt. Nach Auswahl eines Tagesthemas wie z. B. "Tag in der Natur" oder "Tag zu zweit", entwirft das System einen thematisch passenden Tagesplan mit mehreren Etappen in zeitlicher Abfolge. Zunächst wird das entwickelte System grob vorgestellt, gefolgt von einem Überblick über ähnliche aktuelle Forschungen. Im Anschluss folgen eine kurze Einführung in den Mashup-Begriff sowie eine Beschreibung der vom System genutzten Dienste. Schließlich werden die Komponenten des Systems erklärt und ein Ausblick in die Zukunft der POI-Dienste und -Suchmaschinen gegeben.
  14. Schultz, S.: ¬Die eine App für alles : Mobile Zukunft in China (2016) 0.01
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    Date
    22. 6.2018 14:22:02
  15. Breton, P.: ¬The culture of the Internet and the Internet as cult : social fears and religious fantasies (2011) 0.01
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    Abstract
    In this book, French author Philippe Breton looks at the Internet and the culture surrounding it through the lens of its cultural background. Central in his insightful analysis of "the Internet as cult" are Teilhard de Chardin and the New Age, but he looks also at the fears, passions and pathologies of Alan Turing and Norbert Wiener, the imagined worlds of Isaac Asimov, William Gibson, J.G. Ballard and Timothy Leary, the prognostications and confessions of Bill Gates, Nicolas Negroponte and Bill Joy, and the philosophies of Saint-Simon, McLuhan and Pierre Lévy. Dreams of a transparent and unmediated world, a world in which neither time nor space are relevant, a world without violence, without law, without a distinction between the public and the private, Breton contrasts with the reality of propaganda, computer viruses and surveillance, the world in which "sociality in the sense of mutuality disappears in favor of interactivity," where "experience with another and with the world in general is replaced by brief reactionary relations that hardly engage us at all."
    Footnote
    Originaltitel: Le culte de l'Internet : une menace pour le lien social? (1999). Rez. in: ZfBB 58(2011) H.3/4, S.239-240 (U. Jochum)
  16. Luo, Z.; Yu, Y.; Osborne, M.; Wang, T.: Structuring tweets for improving Twitter search (2015) 0.01
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    Abstract
    Spam and wildly varying documents make searching in Twitter challenging. Most Twitter search systems generally treat a Tweet as a plain text when modeling relevance. However, a series of conventions allows users to Tweet in structural ways using a combination of different blocks of texts. These blocks include plain texts, hashtags, links, mentions, etc. Each block encodes a variety of communicative intent and the sequence of these blocks captures changing discourse. Previous work shows that exploiting the structural information can improve the structured documents (e.g., web pages) retrieval. In this study we utilize the structure of Tweets, induced by these blocks, for Twitter retrieval and Twitter opinion retrieval. For Twitter retrieval, a set of features, derived from the blocks of text and their combinations, is used into a learning-to-rank scenario. We show that structuring Tweets can achieve state-of-the-art performance. Our approach does not rely on social media features, but when we do add this additional information, performance improves significantly. For Twitter opinion retrieval, we explore the question of whether structural information derived from the body of Tweets and opinionatedness ratings of Tweets can improve performance. Experimental results show that retrieval using a novel unsupervised opinionatedness feature based on structuring Tweets achieves comparable performance with a supervised method using manually tagged Tweets. Topic-related specific structured Tweet sets are shown to help with query-dependent opinion retrieval.
  17. Mahesh, K.; Karanth, P.: ¬A novel knowledge organization scheme for the Web : superlinks with semantic roles (2012) 0.01
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    Abstract
    We discuss the needs of a knowledge organization scheme for supporting Web-based software applications. We show how it differs from traditional knowledge organization schemes due to the virtual, dynamic, ad-hoc, userspecific and application-specific nature of Web-based knowledge. The sheer size of Web resources also adds to the complexity of organizing knowledge on the Web. As such, a standard, global scheme such as a single ontology for classifying and organizing all Web-based content is unrealistic. There is nevertheless a strong and immediate need for effective knowledge organization schemes to improve the efficiency and effectiveness of Web-based applications. In this context, we propose a novel knowledge organization scheme wherein concepts in the ontology of a domain are semantically interlinked with specific pieces of Web-based content using a rich hyper-linking structure known as Superlinks with well-defined semantic roles. We illustrate how such a knowledge organization scheme improves the efficiency and effectiveness of a Web-based e-commerce retail store.
    Series
    Advances in knowledge organization; vol.13
    Source
    Categories, contexts and relations in knowledge organization: Proceedings of the Twelfth International ISKO Conference 6-9 August 2012, Mysore, India. Eds.: Neelameghan, A. u. K.S. Raghavan
  18. Evans, H.K.; Ovalle, J.; Green, S.: Rockin' robins : do congresswomen rule the roost in the Twittersphere? (2016) 0.01
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    Abstract
    Recent work by Evans, Cordova, and Sipole (2014) reveals that in the two months leading up to the 2012 election, female House candidates used the social media site Twitter more often than male candidates. Not only did female candidates tweet more often, but they also spent more time attacking their opponents and discussing important issues in American politics. In this article, we examine whether the female winners of those races acted differently than the male winners in the 2012 election, and whether they differed in their tweeting-style during two months in the summer of 2013. Using a hand-coded content analysis of every tweet from each member in the U.S. House of Representatives in June and July of 2013, we show that women differ from their male colleagues in their frequency and type of tweeting, and note some key differences between the period during the election and the period after. This article suggests that context greatly affects representatives' Twitter-style.
    Date
    22. 1.2016 11:51:19
  19. Vechtomova, O.: Facet-based opinion retrieval from blogs (2010) 0.01
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    Abstract
    The paper presents methods of retrieving blog posts containing opinions about an entity expressed in the query. The methods use a lexicon of subjective words and phrases compiled from manually and automatically developed resources. One of the methods uses the Kullback-Leibler divergence to weight subjective words occurring near query terms in documents, another uses proximity between the occurrences of query terms and subjective words in documents, and the third combines both factors. Methods of structuring queries into facets, facet expansion using Wikipedia, and a facet-based retrieval are also investigated in this work. The methods were evaluated using the TREC 2007 and 2008 Blog track topics, and proved to be highly effective.
  20. Andrade, T.C.; Dodebei, V.: Traces of digitized newspapers and bom-digital news sites : a trail to the memory on the internet (2016) 0.01
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    Date
    19. 1.2019 17:42:22
    Series
    Advances in knowledge organization; vol.15
    Source
    Knowledge organization for a sustainable world: challenges and perspectives for cultural, scientific, and technological sharing in a connected society : proceedings of the Fourteenth International ISKO Conference 27-29 September 2016, Rio de Janeiro, Brazil / organized by International Society for Knowledge Organization (ISKO), ISKO-Brazil, São Paulo State University ; edited by José Augusto Chaves Guimarães, Suellen Oliveira Milani, Vera Dodebei

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