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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
31

Um sistema de disseminação seletiva da informação baseado em Cross-Document Structure Theory

Beltrame, Walber Antonio Ramos 30 August 2011 (has links)
Made available in DSpace on 2016-12-23T14:33:46Z (GMT). No. of bitstreams: 1 Dissertacao Walber.pdf: 1673761 bytes, checksum: 5ada541492a23b9653e4a80bea3aaa40 (MD5) Previous issue date: 2011-08-30 / A System for Selective Dissemination of Information is a type of information system that aims to harness new intellectual products, from any source, for environments where the probability of interest is high. The inherent challenge is to establish a computational model that maps specific information needs, to a large audience, in a personalized way. Therefore, it is necessary to mediate informational structure of unit, so that includes a plurality of attributes to be considered by process of content selection. In recent publications, systems are proposed based on text markup data (meta-data models), so that treatment of manifest information between computing semi-structured data and inference mechanisms on meta-models. Such approaches only use the data structure associated with the profile of interest. To improve this characteristic, this paper proposes construction of a system for selective dissemination of information based on analysis of multiple discourses through automatic generation of conceptual graphs from texts, introduced in solution also unstructured data (text). The proposed model is motivated by Cross-Document Structure Theory, introduced in area of Natural Language Processing, focusing on automatic generation of summaries. The model aims to establish correlations between semantic of discourse, for example, if there are identical information, additional or contradictory between multiple texts. Thus, an aspects discussed in this dissertation is that these correlations can be used in process of content selection, which had already been shown in other related work. Additionally, the algorithm of the original model is revised in order to make it easy to apply / Um Sistema de Disseminação Seletiva da Informação é um tipo de Sistema de Informação que visa canalizar novas produções intelectuais, provenientes de quaisquer fontes, para ambientes onde a probabilidade de interesse seja alta. O desafio computacional inerente é estabelecer um modelo que mapeie as necessidades específicas de informação, para um grande público, de modo personalizado. Para tanto, é necessário mediar à estruturação da unidade informacional, de maneira que contemple a pluralidade de atributos a serem considerados pelo processo de seleção de conteúdo. Em recentes publicações acadêmicas, são propostos sistemas baseados em marcação de dados sobre textos (modelos de meta-dados), de forma que o tratamento da informação manifesta-se entre computação de dados semi-estruturados e mecanismos de inferência sobre meta-modelos. Tais abordagens utilizam-se apenas da associação da estrutura de dados com o perfil de interesse. Para aperfeiçoar tal característica, este trabalho propõe a construção de um sistema de disseminação seletiva da informação baseado em análise de múltiplos discursos por meio da geração automática de grafos conceituais a partir de textos, concernindo à solução também os dados não estruturados (textos). A proposta é motivada pelo modelo Cross-Document Structure Theory, recentemente difundido na área de Processamento de Língua Natural, voltado para geração automática de resumos. O modelo visa estabelecer correlações de natureza semântica entre discursos, por exemplo, se existem informações idênticas, adicionais ou contraditórias entre múltiplos textos. Desse modo, um dos aspectos discutidos nesta dissertação é que essas correlações podem ser usadas no processo de seleção de conteúdo, o que já fora evidenciado em outros trabalhos correlatos. Adicionalmente, o algoritmo do modelo original é revisado, a fim de torná-lo de fácil aplicabilidade
32

Effects of a Selective Dissemination of Information Service on the Environmental Scanning Process of an Academic Institution

Mayberry, Alberta Gale Johnson 05 1900 (has links)
A case study was conducted to document the changes in the attitudes of academic administrators at Langston University with regards to the use of various types of information sources for strategic planning. Environmental scanning of external factors was accomplished for six months by the use of a selective dissemination of information (SDI) service. Pre- and post-assessments of the perceived reliance on, satisfaction with and adequacy of personal and library-type information sources were conducted. Findings indicated the continued reliance on personal sources. No statistically significant changes were found in perceived adequacy levels in the use of library-type materials. The overall satisfaction level for the use of library-type information sources and retrieval methods showed a significant increase. Further study is recommended that will utilize additional information technology and other academic institutions.
33

Sociala Medier Inom Brottsprevention : Influensers eventuella möjlighet till informationsspridning / Social media in crime prevention : The possibility of influencers' dissemination of information

Lorensson, Anna, Tess, Larsson January 2021 (has links)
Studiens syfte är att undersöka influensers möjlighet att vara ett hjälpande verktyg i det brottsförebyggande arbetet som sker över sociala medier. Relevansen för studiens syfte kan diskuteras utefter det faktum att internetanvändningen är en stor del av svenskars vardag samt har en fortsatt ökning i användandet. För att besvara studiens frågeställningar har studien övergripande använt en kvantitativ metod, med inslag av kvalitativa aspekter, där bland annat webbenkäter användes för att belysa frågeställningarna utifrån allmänhetens perspektiv. Likväl har studien använt ett mailutskick, vilket syftar till att besvara frågeställningarna utifrån influensers perspektiv. Resultatet för studien baseras således på 423 enkätsvar samt svar från en influenser. Således diskuteras studiens resultat övergripande utefter enkätsvaren. Utefter det resultat som studien erhöll kan det diskuteras föreligga en möjlighet för influensers att vara en informationsspridande kanal i det brottsförebyggande arbetet. Detta då resultatet påvisar att respondenterna dels innehar ett förtroende för det influensers belyser likväl som de uppges vara mottagliga för kriminologiskt relevant information som presenteras på sociala medier. Resultatet visar att informationsspridningen fördelaktigen kan ske på plattformar vilka är videoanpassade, som exempelvis Instagram, Tiktok och Youtube. Likväl finns det ett stort intresse från allmänheten att influensers sprider information genom att dela myndigheters inlägg samt diskutera ämnet genom korrekt kunskap med källhänvisning. Avslutningsvis kan således influensers anses vara en bistående kraft inom det brottsförebyggande arbetet som sker över sociala medier, om detta görs utefter vissa premisser. / The aim of the study is to examine the possibility of influencers to be a helping hand in the area of crime prevention that takes place over the internet. The study's relevance can be discussed based on the fact that internet use is a large part of Swedes' everyday life and has a continued increase in use. To answer the study's purpose, the study overall used a quantitative method with elements of qualitative aspects. Web surveys were used to shed light on the issues from the public's perspective. Additionally, the study used e-mail interviews which aimed to answer the questions from the perspective of influences. The results for the study are based on 423 questionnaire responses, as well as one influencer. Thus, the results of the study are discussed overall according to the survey results. Based on the results obtained by the study, influencers' possibilities to be an information-disseminating channel in crime prevention work can be discussed. This result is based on respondents reporting a partial trust in what influencers illuminate, as well as they report being receptive to criminologically relevant information that is presented on social media. The results show that the dissemination of information can advantageously take place on platforms that are video-adapted, such as Instagram, Tiktok and Youtube. Furthermore, there is also reported a great interest in influencers spreading information by sharing the authorities' posts and discussing the subject through correct knowledge with correct references. In conclusion, influencers can thus be considered as an assisting force in the crime prevention work that cuts across social media, if this is done according to certain premises.
34

Produ??o e dissemina??o de informa??o nas organiza??es: o papel da tecnologia da informa??o e a gera??o de conhecimento

Roza, Rodrigo Hip?lito 24 February 2006 (has links)
Made available in DSpace on 2016-04-04T18:36:22Z (GMT). No. of bitstreams: 1 Rodrigo Roza1.pdf: 518176 bytes, checksum: 2043e6ae4a14356170c4156d144d75c1 (MD5) Previous issue date: 2006-02-24 / A study on processes and techniques regarding the production and dissemination of information, which lie beneath the practices concerned with information and knowledge management within organizations. Therefore, a general process involving the production and dissemination of information is presented; the role played by information technology as well as human and social aspects involved are investigated . all under the focus of the generation of knowledge within the organizational environment. For testing and validating the theoretical construct, an empirical investigation is performed through interviews involving professionals working for organization units, the end-activities of which are directly related to the production and dissemination of information. As a result, it is concluded that technology must be envisaged as a support instrument and that both individuals and their social relations must play a main role in conceiving the process of production and dissemination of information within organizations. / Estudo sobre processos e t?cnicas de produ??o e dissemina??o de informa??o que se encontram subjacentes ?s pr?ticas de gest?o da informa??o e do conhecimento nas organiza??es. Para tanto, apresenta-se um processo gen?rico de produ??o e dissemina??o de informa??o; o papel desempenhado pela tecnologia da informa??o, bem como os aspectos humanos e sociais envolvidos s?o investigados, tendo em vista a gera??o de conhecimento no ?mbito organizacional. Para teste e valida??o da constru??o te?rica, realiza-se uma investiga??o emp?rica por meio de entrevistas envolvendo profissionais de unidades organizacionais cujas atividades-fim relacionam-se diretamente ? produ??o e ? dissemina??o de informa??o. Como resultado, conclui-se que a tecnologia deve ser vista como um instrumento de apoio e que os indiv?duos e suas rela??es sociais devem ter import?ncia central na concep??o do processo de produ??o e dissemina??o de informa??o nas organiza??es.
35

?Proposta de modelo te?rico e conceitual para recupera??o de informa??o e conhecimento em organiza??es, apoiado por tecnologias de rede Intranet / Proposal for theoretical and conceptual model for retrieval of information and knowledge, in organizations, supported by network Intranet technology

Bianchi, Francisco 29 May 2008 (has links)
Made available in DSpace on 2016-04-04T18:36:38Z (GMT). No. of bitstreams: 1 Francisco Bianchi.pdf: 1658151 bytes, checksum: 0b1376dad8e2f37c261e6edead4044a2 (MD5) Previous issue date: 2008-05-29 / The present study proposes a model for conceptual and theoretical access to information and knowledge, with an emphasis on ownership and access to the tacit knowledge in organizations productive. The architecture of the model is based on the metaphor of the road maps that guide the individual to the sources of information and knowledge, previously mapped in the organization. In terms of technology, the model takes into account the strong support of information and communications technologies (ICTs), particularly those related to the recovery and presentation of information on environment network Intranet, making it comprehensive and easily accessible not only by specialists, but mostly by individuals with little or neither ability to use computers. Although the strong point of the proposed model is the present stage of ICTs, its main focus isn t the technology but the people who will interact with the model and take advantage of its features. Faced applicable, it is recognized the importance of motivation, both for individuals seeking information to satisfy their needs cognitive, as for the information of professionals responsible for the processes of management of information and knowledge in organizations, as critical factor for success of the proposed model. For theoretical validate of the model proposed in this study, looking up in the Information Science, Administration and Computer Science, important concepts on the management of information and knowledge, business organization and information technologies. This work is concluded presenting a theoretical and conceptual model for access to information and knowledge, supported by technology Intranet network. / O presente estudo prop?e um modelo conceitual e te?rico para acesso ? informa??o e conhecimento, com ?nfase na apropria??o e acesso ao conhecimento t?cito, em organiza??es produtivas. A arquitetura do modelo esta baseada na met?fora dos mapas rodovi?rios, que guiar? o indiv?duo at? as fontes de informa??o e conhecimento, previamente mapeadas na organiza??o. Em termos de tecnologias, o modelo leva em considera??o o forte apoio das tecnologias de informa??o e comunica??o (TICs), principalmente aquelas relacionadas com a recupera??o e apresenta??o da informa??o, em ambiente de rede Intranet, tornando-o abrangente e de f?cil acesso n?o somente por especialistas, mas principalmente por indiv?duos com pouca ou nenhuma habilidade de uso de computadores. Embora o ponto forte do modelo proposto seja o est?gio atual das TICs, seu foco principal n?o s?o as tecnologias, mas as pessoas que ir?o interagir com o modelo e se beneficiar das suas funcionalidades. Diante disso, reconhece-se a import?ncia da motiva??o, tanto dos indiv?duos que buscam informa??es para satisfazer suas necessidades cognitivas, quanto dos profissionais da informa??o respons?veis pelos processos de gest?o da informa??o e do conhecimento nas organiza??es, como sendo fator cr?tico de sucesso do modelo proposto. Para fundamenta??o te?rica do modelo proposto neste trabalho, buscam-se nas Ci?ncias da Informa??o, Administra??o e Computa??o, os conceitos importantes sobre gest?o da informa??o e do conhecimento, organiza??o empresarial e tecnologias da informa??o. Conclui-se este trabalho apresentando um modelo te?rico e conceitual para acesso ? informa??o e conhecimento, apoiado por tecnologias de rede Intranet.
36

Ich sammle

Knaus, Gudrun 18 April 2013 (has links) (PDF)
Ob Kunstmuseum oder ethnographische Sammlung, ob Militärhistorisches Museum oder Münzkabinett: In einem vielfältigen Angebotsspektrum ringen große und kleine Museen um die Gunst der Besucher. Die Struktur des Zielpublikums ist dabei in der Regel sehr weit gefasst, da im Sinne des Bildungsauftrags möglichst viele soziale Milieus oder Altersgruppen angesprochen werden sollen. Das Informationsmaterial zur Vermittlung der Ausstellungsinhalte, wie Ausstellungskataloge, Audioguides, Flyer oder der Internetauftritt der jeweiligen Institutionen, enthält eine Vielzahl von weiterführenden Informationen, die in der Regel nur teilweise zielgruppenspezifisch aufbereitet werden, da die Adressaten jeweils nur schwer eingegrenzt werden können. (...)
37

Kulturelle Bildung und Social Media

Ostendorf-Rupp, Sonja January 2013 (has links)
Facebook, Twitter, YouTube – die Namen dieser Plattformen sozialer Medien sind in aller Munde, doch was steckt hinter diesen Medienformen und wie lassen sie sich sinnvoll in die Arbeit von Kultureinrichtungen integrieren? Welche Potentiale der Besucheransprache bieten sie? Das waren die Leitfragen der vierten und letzten Sektion der Dresden Summer School. Eingebettet in Besichtigungen des Militärhistorischen Museums der Bundeswehr (MHM) und des Deutschen Hygiene-Museums Dresden (DHMD), erhielten die Teilnehmer und Teilnehmerinnen eine Einführung zu diesem Thema, die durch Best-Practice-Beispiele von Museen und Ausstellungsplanern ergänzt wurden. (...)
38

Ich sammle

Knaus, Gudrun January 2013 (has links)
Ob Kunstmuseum oder ethnographische Sammlung, ob Militärhistorisches Museum oder Münzkabinett: In einem vielfältigen Angebotsspektrum ringen große und kleine Museen um die Gunst der Besucher. Die Struktur des Zielpublikums ist dabei in der Regel sehr weit gefasst, da im Sinne des Bildungsauftrags möglichst viele soziale Milieus oder Altersgruppen angesprochen werden sollen. Das Informationsmaterial zur Vermittlung der Ausstellungsinhalte, wie Ausstellungskataloge, Audioguides, Flyer oder der Internetauftritt der jeweiligen Institutionen, enthält eine Vielzahl von weiterführenden Informationen, die in der Regel nur teilweise zielgruppenspezifisch aufbereitet werden, da die Adressaten jeweils nur schwer eingegrenzt werden können. (...)

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