Search (48 results, page 1 of 3)

  • × theme_ss:"Informationsdienstleistungen"
  • × year_i:[2010 TO 2020}
  1. Knauerhase, A.: GMMIK ['gi-mik] : ein Modell der Informationskompetenz (2010) 0.03 
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    Source
    Semantic web & linked data: Elemente zukünftiger Informationsinfrastrukturen ; 1. DGI-Konferenz ; 62. Jahrestagung der DGI ; Frankfurt am Main, 7. - 9. Oktober 2010 ; Proceedings / Deutsche Gesellschaft für Informationswissenschaft und Informationspraxis. Hrsg.: M. Ockenfeld
  2. Bauer, R.: ¬Die digitale Bibliothek von Babel : über den Umgang mit Wissensressourcen im Web 2.0 (2010) 0.03 
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    Abstract
    Das Web 2.0 hat einen Paradigmenwechsel im Umgang mit Informationen und damit eng verbunden im Wissenserwerb eingeleitet. Theoretisch gesehen hat jeder offenen Zugang zu vielfältigen Informationen und kann gleichzeitig selbst Inhalte beisteuern - z.B. in Sozialen Netzwerken, in Weblogs oder Wikis - und Websites oder andere Dokumente (Videos, Slideshows o.ä.) veröffentlichen und mit anderen Nutzern teilen. Dieser Demokratisierungsprozess von Wissensproduktion, -kommunikation und -erwerb ist allerdings nicht frei von Kontroversen. Das verstärkte Nebeneinander von sachlich richtiger und relevanter Information einerseits und Belanglosigkeiten andererseits ruft auch Gegner auf den Plan. Sie sprechen von einem Information Overkill und befürchten den Niedergang der klassischen Bildung. Führen freie Wissenszugänge im Netz tatsächlich zu weniger Bildung? Was macht eine Website zu einer zuverlässigen und vertrauenswürdigen Quelle? Wie können aus der Fülle von Webressourcen die qualitativ hochwertigen herausgefiltert werden? Welchen Beitrag kann dabei Social Software leisten? Welches sind die Konstituenten einer Informationskompetenz 2.0, über die User verfügen sollten, um mit vorgefundenen Ressourcen adäquat umgehen zu können? Und inwiefern sind Bibliotheken - die sich ja zunehmend als Teaching Libraries verstehen - hier gefordert? Auf diese Fragen versucht das vorliegende Buch Antworten zu geben. Der Fokus liegt auf dem Umgang mit Wissensressourcen im Web 2.0, wobei ebenso theoretische wie praktische Implikationen berücksichtigt und ausgewählte Evaluierungsansätze hinsichtlich ihrer praktischen Anwendbarkeit für die User diskutiert werden.
    Object
    Web 2.0
    RSWK
    World Wide Web 2.0 / Information Retrieval / Informationskompetenz
    Series
    Web 2.0
    Subject
    World Wide Web 2.0 / Information Retrieval / Informationskompetenz
  3. Franke, F; Klein, A.; Schüller-Zwierlein, A.: Schlüsselkompetenzen : Literatur recherchieren in Bibliotheken und Internet (2010) 0.02 
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    LCSH
    Information retrieval
    Web search engines
    RSWK
    Information Retrieval / Bibliothek / Internet (BVB)
    Information Retrieval / Internet / Bibliothek / Lehrbuch (BVB)
    Subject
    Information Retrieval / Bibliothek / Internet (BVB)
    Information Retrieval / Internet / Bibliothek / Lehrbuch (BVB)
    Information retrieval
    Web search engines
  4. Bodoff, D.; Raban, D.: User models as revealed in web-based research services (2012) 0.02 
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    Abstract
    The user-centered approach to information retrieval emphasizes the importance of a user model in determining what information will be most useful to a particular user, given their context. Mediated search provides an opportunity to elaborate on this idea, as an intermediary's elicitations reveal what aspects of the user model they think are worth inquiring about. However, empirical evidence is divided over whether intermediaries actually work to develop a broadly conceived user model. Our research revisits the issue in a web research services setting, whose characteristics are expected to result in more thorough user modeling on the part of intermediaries. Our empirical study confirms that intermediaries engage in rich user modeling. While intermediaries behave differently across settings, our interpretation is that the underlying user model characteristics that intermediaries inquire about in our setting are applicable to other settings as well.
  5. Roos, M.; Hummert, G.; Kustos, A.: Wissensmanagement in Bibliotheken: "learning library" : Testbetrieb der Lernumgebung APOSDLE in der Abteilung Information der UB Hagen (2011) 0.02 
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    Abstract
    Information und Wissen werden seit dem späten 20. Jahrhundert als Produkt bzw. Dienstleistung erkannt, für deren Vermittlung ein Managementprozess notwendig ist. In der heutigen schnelllebigen Zeit nimmt die Bedeutung der Ressource Wissen kontinuierlich zu, weil Wandlungsprozesse sowie Änderungen des Marktes einen akuten Handlungsbedarf bedingen. Effiziente Vernetzung und Neukombination von Information und Wissen sind Voraussetzung für erfolgreiche Umgestaltung. Diese Prozesse finden sowohl im privatwirtschaftlichen Umfeld als auch im öffentlichen Sektor statt. Insbesondere Bibliotheken sehen sich durch den verstärkten Gebrauch des Internets mit der Herausforderung konfrontiert, ihr traditionelles Berufsbild als Informations- und Wissensvermittler an die neuen Technologien, vor allem die des Web 2.0 und des Semantic Web, anzupassen. Dies erfordert eine Weiterentwicklung der innerbetrieblichen Prozesse und die Berücksichtigung neuer technischer Entwicklungen. Die Bereitstellung neuer technischer Systeme allein ist nicht ausreichend, sondern die Systeme müssen durch die Mitarbeitenden kompetent genutzt werden können. So formuliert es Wawra: "Alle sind sich - jedenfalls scheint es so - darin einig, dass die Leistungen des modernen wissenschaftlichen und öffentlichen Bibliothekswesens kaum mehr in der geforderten Qualität zu erbringen sind, wenn die Träger dieser Prozesse - die Mitarbeiterinnen und Mitarbeiter - nicht über die dafür notwendigen Qualifikationen verfügen:"
  6. Lin, S.; Xie, I.: Behavioral changes in transmuting multisession successive searches over the web (2013) 0.02 
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    Abstract
    Multisession successive information searches are common but little research has focused on quantitative analysis. This article enhances our understanding of successive information searches by employing an experimental method to observe whether and how the behavioral characteristics of searchers statistically significantly changed over sessions. It focuses on a specific type of successive search called transmuting successive searches, in which searchers learn about and gradually refine their information problems during the course of the information search. The results show that searchers' behavioral characteristics indeed exhibit different patterns in different sessions. The identification of the behavioral characteristics can help information retrieval systems to detect stages or sessions of the information search process. The findings also help validate a theoretical framework to explain successive searches and suggest system requirements for supporting the associated search behavior. The study is one of the first to not only test for statistical significance among research propositions concerning successive searches but to also apply the research principles of implicit relevance feedback to successive searches.
  7. Chew, S.W.; Khoo, K.S.G.: Comparison of drug information on consumer drug review sites versus authoritative health information websites (2016) 0.01 
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    Abstract
    Large amounts of health-related information of different types are available on the web. In addition to authoritative health information sites maintained by government health departments and healthcare institutions, there are many social media sites carrying user-contributed information. This study sought to identify the types of drug information available on consumer-contributed drug review sites when compared with authoritative drug information websites. Content analysis was performed on the information available for nine drugs on three authoritative sites (RxList, eMC, and PDRhealth) as well as three drug review sites (WebMD, RateADrug, and PatientsLikeMe). The types of information found on authoritative sites but rarely on drug review sites include pharmacology, special population considerations, contraindications, and drug interactions. Types of information found only on drug review sites include drug efficacy, drug resistance experienced by long-term users, cost of drug in relation to insurance coverage, availability of generic forms, comparison with other similar drugs and with other versions of the drug, difficulty in using the drug, and advice on coping with side effects. Drug efficacy ratings by users were found to be different across the three sites. Side effects were vividly described in context, with user assessment of severity based on discomfort and effect on their lives.
    Date
    22. 1.2016 12:24:05
  8. Fidel, R: Human information interaction : an ecological approach to information behavior (2012) 0.01 
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    Content
    Inhalt: Basic concepts -- What is human information interaction? -- Theoretical constructs and models in information seeking behavior -- The information need -- The search strategy -- Two generations of research -- In-context -- Theoretical traditions in human information behavior -- Interlude : models and their contribution to design -- Human information behavior and information retrieval : is collaboration possible? -- Cognitive work analysis : dimensions for analysis -- Cognitive work analysis : harnessing complexity -- Enhancing the impact of research in human information interaction.
    LCSH
    Information storage and retrieval systems
    Information retrieval
    RSWK
    Anthropologie / Information Retrieval / Informationsverhalten (BVB)
    Informationsverhalten / Information Retrieval / Mensch-Maschine-Kommunikation
    Subject
    Anthropologie / Information Retrieval / Informationsverhalten (BVB)
    Informationsverhalten / Information Retrieval / Mensch-Maschine-Kommunikation
    Information storage and retrieval systems
    Information retrieval
  9. Looking for information : a survey on research on information seeking, needs, and behavior (2012) 0.01 
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    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  10. Looking for information : a survey on research on information seeking, needs, and behavior (2016) 0.01 
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    RSWK
    Information Retrieval
    Subject
    Information Retrieval
    Theme
    Semantisches Umfeld in Indexierung u. Retrieval
  11. Balatsoukas, P.; Demian, P.: Effects of granularity of search results on the relevance judgment behavior of engineers : building systems for retrieval and understanding of context (2010) 0.01 
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    Abstract
    Granularity is a novel concept for presenting information in search result interfaces of hierarchical query-driven information retrieval systems in a manner that can support understanding and exploration of the context of the retrieved information (e.g., by highlighting its position in the granular hierarchy and exposing its relationship with relatives in the hierarchy). Little research, however, has been conducted on the effects of granularity of search results on the relevance judgment behavior of engineers. Engineers are highly motivated information users who are particularly interested in understanding the context of the retrieved information. Therefore, it is hypothesized that the design of systems with careful regard for granularity would improve engineers' relevance judgment behavior. To test this hypothesis, a prototype system was developed and evaluated in terms of the time needed for users to find relevant information, the accuracy of their relevance judgment, and their subjective satisfaction. To evaluate the prototype, a user study was conducted where participants were asked to complete tasks, complete a satisfaction questionnaire, and be interviewed. The findings showed that participants performed better and were more satisfied when the prototype system presented only relevant information in context. Although this study presents some novel findings about the effects of granularity and context on user relevance judgment behavior, the results should be interpreted with caution. For example, participants in this research were recruited by convenience and performed a set of simulated tasks as opposed to real ones. However, suggestions for further research are presented.
  12. Karunakaran, A.; Reddy, M.C.; Spence, P.R.: Toward a model of collaborative information behavior in organizations (2013) 0.01 
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    Abstract
    There is increasing interest in topics at the nexus of collaboration and information behavior. A variety of studies conducted in organizational settings have provided us with key insights about the collaborative aspects of seeking, retrieving, and using information. Researchers have used a range of terms, including collaborative information seeking (CIS), collaborative information retrieval (CIR), collaborative search, collaborative sensemaking, and others to describe various pertinent activities. Consequently, we lack conceptual clarity concerning these activities, leading to a tendency to use terms interchangeably when in fact they may be referring to different issues. Here, we offer collaborative information behavior (CIB) as an umbrella term to connote the collaborative aspects of information seeking, retrieval, and use. We provide the contours of a model of CIB synthesized from findings of past studies conducted by our research team as well as other researchers. By reanalyzing and synthesizing the data from those studies, we conceptualize CIB as comprised of a set of constitutive activities, organized into three broad phases-problem formulation, collaborative information seeking, and information use. Some of the activities are specific to a particular phase, whereas others are common to all phases. We explain how those constitutive activities are related to one another. Finally, we discuss the limitations of our model as well as its potential usefulness in advancing CIB research.
  13. Shah, C.: Collaborative information seeking (2014) 0.01 
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    Abstract
    The notions that information seeking is not always a solitary activity and that people working in collaboration for information intensive tasks should be studied and supported have become more prevalent in recent years. Several new research questions, methodologies, and systems have emerged around these notions that may prove to be useful beyond the field of collaborative information seeking (CIS), with relevance to the broader area of information seeking and behavior. This article provides an overview of such key research work from a variety of domains, including library and information science, computer-supported cooperative work, human-computer interaction, and information retrieval. It starts with explanations of collaboration and how CIS fits in different contexts, emphasizing the interactive, intentional, and mutually beneficial nature of CIS activities. Relations to similar and related fields such as collaborative information retrieval, collaborative information behavior, and collaborative filtering are also clarified. Next, the article presents a synthesis of various frameworks and models that exist in the field today, along with a new synthesis of 12 different dimensions of group activities. A discussion on issues and approaches relating to evaluating various parameters in CIS follows. Finally, a list of known issues and challenges is presented to provide an overview of research opportunities in this field.
  14. Zhang, X.; Liu, J.; Cole, M.; Belkin, N.: Predicting users' domain knowledge in information retrieval using multiple regression analysis of search behaviors (2015) 0.01 
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    Abstract
    User domain knowledge affects search behaviors and search success. Predicting a user's knowledge level from implicit evidence such as search behaviors could allow an adaptive information retrieval system to better personalize its interaction with users. This study examines whether user domain knowledge can be predicted from search behaviors by applying a regression modeling analysis method. We identify behavioral features that contribute most to a successful prediction model. A user experiment was conducted with 40 participants searching on task topics in the domain of genomics. Participant domain knowledge level was assessed based on the users' familiarity with and expertise in the search topics and their knowledge of MeSH (Medical Subject Headings) terms in the categories that corresponded to the search topics. Users' search behaviors were captured by logging software, which includes querying behaviors, document selection behaviors, and general task interaction behaviors. Multiple regression analysis was run on the behavioral data using different variable selection methods. Four successful predictive models were identified, each involving a slightly different set of behavioral variables. The models were compared for the best on model fit, significance of the model, and contributions of individual predictors in each model. Each model was validated using the split sampling method. The final model highlights three behavioral variables as domain knowledge level predictors: the number of documents saved, the average query length, and the average ranking position of the documents opened. The results are discussed, study limitations are addressed, and future research directions are suggested.
  15. Ford, N.: Introduction to information behaviour (2015) 0.01 
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    Date
    22. 1.2017 16:45:48
  16. Görtz, M.: aktuelle Herausforderungen wissenschaftlicher Ansätze zur Modellierung von Informationsverhalten : Informationssuchverhalten und das Social Web (2010) 0.01 
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    Abstract
    In Zeiten zunehmend wissensintensiver Berufsbilder besteht eine große Herausforderung heutiger Unternehmen darin, die zur Unterstützung organisatorischen Handelns erforderliche Information effizient und effektiv zur Verfügung zu stellen. Eine Grundlage für die Entwicklung einer adäquaten Informationsumgebung legt dabei das umfassende Verständnis des Kontexts und Verhaltens von Mitarbeitern im Umgang mit Information. Beides unterliegt jedoch einem steten Wandel und stellt hohe Anforderungen an die Flexibilität von Arbeitsplatzkonzepten und der Gestaltung von Informationsumgebungen. In diesem Artikel wird daher die aktuelle Bedeutung und Entwicklung informationswissenschaftlicher Ansätze zur Modellierung von Informationssuchverhalten, deren Methoden, sowie zentrale Konzepte und Erkenntnisse vorgestellt. Anschließend wird die Bedeutung dieser Modelle für den Arbeitsplatz-Kontext in Zeiten zunehmend wissensintensiver Tätigkeiten untersucht. Anhand der Wandlung des primär informativ genutzten Internet zu einem partizipativen Social Web wird daraufhin erörtert, welche neuen Entwicklungen es in der Erforschung des Nutzerkontexts zu berücksichtigen gilt. Die beispielhafte Betrachtung aktueller Forschungsergebnisse auf diesem Gebiet mündet in einer Diskussion weiteren Forschungsbedarfs.
    Object
    Web 2.0
  17. Rosenbaum, H.; Shachaf, P.: ¬A structuration approach to online communities of practice : the case of Q&A communities (2010) 0.01 
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    Abstract
    This article describes an approach based on structuration theory (Giddens, 1979, 1984; Orlikowski, 1992, 2000) and communities of practice (Wenger, 1998) that can be used to guide investigation into the dynamics of online question and answer (Q&A) communities. This approach is useful because most research on Q&A sites has focused attention on information retrieval, information-seeking behavior, and information intermediation and has assumed uncritically that the online Q&A community plays an important role in these domains of study. Assuming instead that research on online communities should take into account social, technical, and contextual factors (Kling, Rosenbaum, & Sawyer, 2005), the utility of this approach is demonstrated with an analysis of three online Q&A communities seen as communities of practice. This article makes a theoretical contribution to the study of online Q&A communities and, more generally, to the domain of social reference.
  18. Borlund, P.; Dreier, S.: ¬An investigation of the search behaviour associated with Ingwersen's three types of information needs (2014) 0.01 
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    Abstract
    We report a naturalistic interactive information retrieval (IIR) study of 18 ordinary users in the age of 20-25 who carry out everyday-life information seeking (ELIS) on the Internet with respect to the three types of information needs identified by Ingwersen (1986): the verificative information need (VIN), the conscious topical information need (CIN), and the muddled topical information need (MIN). The searches took place in the private homes of the users in order to ensure as realistic searching as possible. Ingwersen (1996) associates a given search behaviour to each of the three types of information needs, which are analytically deduced, but not yet empirically tested. Thus the objective of the study is to investigate whether empirical data does, or does not, conform to the predictions derived from the three types of information needs. The main conclusion is that the analytically deduced information search behaviour characteristics by Ingwersen are positively corroborated for this group of test participants who search the Internet as part of ELIS.
  19. Ude, A.: Journalistische Recherche im Internet (2011) 0.01 
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    Abstract
    Eine Recherche im Web kann für die journalistische Recherche zielführend sein. Es müssen jedoch einige Dinge beachtet werden. So eignet sich etwa die Wikipedia mehr als Rechercheeinstieg denn als Allheilmittel. Auch sollten über die Universalsuchmaschinen hinaus die erweiterte Suche und Spezialsuchmaschinen genutzt werden. Es empfiehlt sich das Anlegen eines Rechercheprotokolls zur Unterstützung einer systematischen Recherche. Auch das Verifizieren von Quellen ist notwendig. Dieser Text bietet nach einigen - negativen wie positiven - Beispielen zu den genannten Punkten Empfehlungen für den journalistischen Umgang mit Suchmaschinen, anderen Suchwerkzeugen sowie Hinweise für strukturierte Internet-Recherchen.
    Source
    Handbuch Internet-Suchmaschinen, 2: Neue Entwicklungen in der Web-Suche. Hrsg.: D. Lewandowski
  20. Bertram, J.: Stand der unternehmensweiten Suche in österreichischen Großunternehmen (2013) 0.01 
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    Abstract
    Dass eine erfolgreiche Suche nach im Unternehmen vorhandenen Informationen oftmals schwieriger zu bewerkstelligen ist als eine Suche im Internet, wird in der Privatwirtschaft zunehmend als Problem gesehen. Enterprise Search ist eine Strategie, diesem Problem zu begegnen. In einer Studie mit explorativem Charakter wurde der Frage nachgegangen, wie es um den Stand unternehmensweiten Suche in österreichischen Unternehmen bestellt ist. m Rahmen einer Onlinebefragung wurden dazu im März / April 2009 469 Unternehmen befragt. Es beteiligten sich 104 Unternehmen. Das entspricht einem Rücklauf von 22 %. Dieser Beitrag gibt Auskunft über Status quo der unternehmensweiten Informationsorganisation und -suche in Österreich und benennt unternehmens- bzw. personengebundene Faktoren, die darauf Einfluss haben. Im einzelnen werden Ergebnisse zu folgenden Aspekten präsentiert: Regelung der Informationsorganisation; Anreicherung unstrukturierter Informationen mit Metadaten; Probleme bei der Suche nach unternehmensinternen Informationen; täglicher Zeitaufwand für die Suche; vorhandene, wünschenswerte und benötigte Suchfunktionalitäten; Zufriedenheit mit der Suche und der Informationsorganisation Unternehmen.
    Date
    22. 1.2016 19:00:02

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