Search (1809 results, page 2 of 91)

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Abstract

This book constitutes the refereed proceedings of the 10th European Conference on Research and Advanced Technology for Digital Libraries, ECDL 2006, held in Alicante, Spain in September 2006. The 36 revised full papers presented together with the extended abstracts of 18 demo papers and 15 revised poster papers were carefully reviewed and selected from a total of 159 submissions. The papers are organized in topical sections on architectures, preservation, retrieval, applications, methodology, metadata, evaluation, user studies, modeling, audiovisual content, and language technologies.

Content

Inhalt u.a.: Architectures I Preservation Retrieval - The Use of Summaries in XML Retrieval / Zoltdn Szldvik, Anastasios Tombros, Mounia Laimas - An Enhanced Search Interface for Information Discovery from Digital Libraries / Georgia Koutrika, Alkis Simitsis - The TIP/Greenstone Bridge: A Service for Mobile Location-Based Access to Digital Libraries / Annika Hinze, Xin Gao, David Bainbridge Architectures II Applications Methodology Metadata Evaluation User Studies Modeling Audiovisual Content Language Technologies - Incorporating Cross-Document Relationships Between Sentences for Single Document Summarizations / Xiaojun Wan, Jianwu Yang, Jianguo Xiao - Semantic Web Techniques for Multiple Views on Heterogeneous Collections: A Case Study / Marjolein van Gendt, Antoine Isaac, Lourens van der Meij, Stefan Schlobach Posters - A Tool for Converting from MARC to FRBR / Trond Aalberg, Frank Berg Haugen, Ole Husby

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Abstract

Purpose - The philosophical position known as critical realism is briefly introduced, and some of its central features are used to connect the philosophy and the realist social theory to some current library and information science (LIS) models of information behaviour. Design/methodology/approach - The paper uses a literature-based analysis of the critical realism concepts of a stratified social reality, the importance of contextualisation, and the relation between structure and agency. These features are discussed in relation to various models of information-seeking behaviour, but also to the "interpretative" approach to information as meaning which can only be achieved through discourses in a human community. Findings - The critical realism perspective could lay a fruitful foundation for an interdisciplinary research field like LIS, and its user studies in particular, concerned with many levels of information creation, seeking, use and processing. It is the task of the LIS researcher to explain the mechanisms that influence the information seeking, not only on an empirical level, by observing the user and his/her discourse community, but also by revealing possible underlying causes and relations. Originality/value - An awareness of the fact that social and cultural structures exist independent of one's knowledge of them has implications on how many central problems in the LIS field are regarded and studied.

Source

Journal of documentation. 61(2005) no.1, S.11-22

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Abstract

We present a novel application of knowledge discovery technology to a developing and challenging application area such as bioinformatics. This methodology allows the identification of relationships between low-magnitude similarity (LMS) sequence patterns and other well-contrasted protein characteristics, such as those described by database annotations. We start with the identification of these signals inside protein sequences by exhaustive database searching and automatic pattern recognition strategies. In a second step we address the discovering of association rules that will allow tagging sequences that hold LMS signals with consequent functional keywords. We have designed our own algorithm for discovering association rules, meeting the special necessities of bioinformatics problems, where the patterns we search lie in sparse datasets and are uncommon and thus difficult to locate. Computational efficiency has been verified both with synthetic and real biological data showing that the algorithm is well suited to this application area compared to state of the art algorithms. The usefulness of the method is confirmed by its ability to produce previously unknown and useful knowledge in the area of biological sequence analysis. In addition, we introduce a new and promising application of the rule extraction algorithm on gene expression databases.

Date

22. 7.2006 14:34:29

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Abstract

One finding of the 2006 OCLC study of College Students' Perceptions of Libraries and Information Resources was that students expressed equal levels of trust in libraries and search engines when it came to meeting their information needs in a way that they felt was authoritative. Seeking to incorporate this insight into our own instructional methodology, Schaffer Library at Union College has attempted to engineer a shift from Google to Google Scholar among our student users by representing Scholar as a viable adjunct to the catalog and to snore traditional electronic resources. By attempting to engage student researchers on their own terms, we have discovered that most of them react enthusiastically to the revelation that the Google they think they know so well is, it turns out, a multifaceted resource that is capable of delivering the sort of scholarly information that will meet with their professors' approval. Specifically, this article focuses on the fact that many Google Scholar searches link hack to our own Web catalog where they identify useful book titles that direct OPAC keyword searches have missed.

Date

2.12.2007 19:39:22

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Abstract

Purpose - The purpose of this paper concerns the dimensions of relevance in information retrieval systems and their completeness in new retrieval contexts such as mobile search. Geography as a factor in relevance is little understood and information seeking is assumed to take place in indoor environments. Yet the rise of information seeking on the move using mobile devices implies the need to better understand the kind of situational relevance operating in this kind of context. Design/methodology/approach - The paper outlines and explores a geographic information seeking process in which geographic information needs (conditioned by needs and tasks, in context) drive the acquisition and use of geographic information objects, which in turn influence geographic behaviour in the environment. Geographic relevance is defined as "a relation between a geographic information need" (like an attention span) and "the spatio-temporal expression of the geographic information objects needed to satisfy it" (like an area of influence). Some empirical examples are given to indicate the theoretical and practical application of this work. Findings - The paper sets out definitions of geographical information needs based on cognitive and geographic criteria, and proposes four canonical cases, which might be theorised as anomalous states of geographic knowledge (ASGK). The paper argues that geographic relevance is best defined as a spatio-temporally extended relation between information need (an "attention" span) and geographic information object (a zone of "influence"), and it defines four domains of geographic relevance. Finally a model of geographic relevance is suggested in which attention and influence are modelled as map layers whose intersection can define the nature of the relation. Originality/value - Geographic relevance is a new field of research that has so far been poorly defined and little researched. This paper sets out new principles for the study of geographic information behaviour.

Date

23.12.2007 14:22:24

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Abstract

Purpose - The purpose of this paper is to examine the literature on the information behavior of practicing visual artists to determine if a consistent model emerges and what further research is necessary. Design/methodology/approach - Works dealing with the information needs and uses relevant to the creative activities of visual artists are discussed in the paper. These works are assessed for their contributions toward understanding of the specific information behaviors of practicing artists. Findings - The results show that a consistent model of artists' information behavior emerges. However, nearly all of the literature focuses on art students, academic art faculty, or librarians, and so any claim that practicing artists fit the model is largely unsupported by research. There have been no published studies of communities of practicing visual artists. The implications of defining artists as communities of practice are discussed. Research limitations/implications - Research is proposed that studies the information behavior of communities of practicing visual artists in order to confirm or amend the existing model. Practical implications - Practitioners will have their attention drawn to an underserved user population whose information needs and behaviors have not been directly targeted for research. They will recognize the need for study of their own artist communities and the development of services for them. Originality/value - This paper directs the discussion of artists' information behavior away from the art-library-specific literature, where it has largely resided, as a means of adjusting the focus of research onto the largely unstudied and underserved communities of practicing artists.

Date

7. 6.2008 12:22:23

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Abstract

Purpose - Since every community of practice generates, seeks, retrieves and uses information resources and sources related to the cognitive structure being researched or studied and the tasks being performed, the need arises to undertake studies focused on real user communities, which in the case of this paper is the group of translators. This paper aims to investigate this issue. Design/methodology/approach - In this arena of application, it is important to remember that translators are not only information users, but also information processors and producers. Thus, their documentary competence has to evolve in three dimensions: the informational, the methodological and the strategic. The conceptual model proposed in the paper is based on information literacy (INFOLIT) standards and also the authors' knowledge of translation practice and the competencies it demands, where INFOLIT plays a starring role. This paper is part of a broader research currently in progress, whose main goal is to provide translators and interpreters with a solid instruction in information literacy. Findings - The paper introduces a model for information literacy specifically intended to develop the information competence of this community of users, it reveals that the model is a gathering of skills, competences, knowledge and values, and it is based on the cooperation between the authors' expert knowledge of information science and professional translation practice. Originality/value - This paper puts forward the first proposal for information literacy applied to translation training.

Date

7. 6.2008 16:18:22

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Abstract

Purpose - The "photosharing" site Flickr is one of the most commonly cited examples used to define Web2.0. This paper aims to explore where Flickr's real novelty lies, examining its functionality and its place in the world of amateur photography. Several optimistic views of the impact of Flickr such as its facilitation of citizen journalism, "vernacular creativity" and in learning as an "affinity space" are evaluated. Design/methodology/approach - The paper draws on a wide range of sources including published interviews with its developers, user opinions expressed in forums, telephone interviews and content analysis of user profiles and activity. Findings - Flickr's development path passes from an innovative social game to a relatively familiar model of a web site, itself developed through intense user participation but later stabilising with the reassertion of a commercial relationship to the membership. The broader context of the impact of Flickr is examined by looking at the institutions of amateur photography and particularly the code of pictorialism promoted by the clubs and industry during the twentieth century. The nature of Flickr as a benign space is premised on the way the democratic potential of photography is controlled by such institutions. The limits of optimistic claims about Flickr are identified in the way that the system is designed to satisfy commercial purposes, continuing digital divides in access and the low interactivity and criticality on Flickr. Originality/value - Flickr is an interesting source of change, but can only be understood in the perspective of long-term development of the hobby and wider social processes. By setting Flickr in such a broad context, its significance and that of Web2.0 more generally can be fully assessed.

Date

30.12.2008 19:38:22

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Abstract

Purpose - This paper aims to report the result of follow-up research on end-users' conceptions of information visibility on the web and their conceptualizations of success and failure in web searching. Design/methodology/approach - The data were collected by a questionnaire followed by a brief interview with the participants. The questionnaire was developed based on the information visibility model suggested by the author in the original study. Fifty-two library and information sciences students from Tarbiat Mollem University (TMU) and Iran University of Medical Sciences (IUMS) in Tehran took part in the study. Findings - The model of information visibility can enable web users to gain a better understanding of their information seeking (IS) outcomes and it can assist them to improve their information literacy skills. The model can provide a theoretical framework to investigate web users' IS behavior and can be used as a diagnostic tool to explore the contextual and conceptual elements affecting the visibility of information for end-users. Research limitations/implications - The paper suggests a visibility learning diary (VLD), which might be useful to measure the efficiency of information literacy training courses. Originality/value - The contextual and conceptual approach of the paper provides a deeper insight into the issue of information visibility, which has received little attention by IS and information retrieval researchers until now.

Date

1. 1.2009 10:22:40

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Source

Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas

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Abstract

Purpose - This paper aims to discuss some long-standing issues of the development of a subject heading language as pre- or postcoordinated. Design/methodology/approach - In a review of literature on pre- and postcoordination and user behaviour, 20 criteria originally discussed by Svenonius are considered. Findings - The advantages and disadvantages of pre- and postcoordinated systems are on a very similar level. Most subject heading languages developed recently are precoordinated. They all require investments in highly skilled intellectual work, and are therefore expensive and difficult to maintain. Postcoordinated systems seem to have more advantages for information providers, but less for users. However, most of these disadvantages could be overcome by known information retrieval models and techniques. Research limitations/implications - The criteria originally discussed by Svenonius are difficult to evaluate in an exact manner. Some of them are also irrelevant because of changes in information retrieval systems. Practical implications - It was found that the decision on whether to use a pre- or postcoordinated system cannot be taken independent of consideration of the subject authority file and the functions of an information retrieval system, which should support users on one hand and information providers and indexers on the other. Originality/value - This literature review brings together some findings that have not been considered together previously.

Date

20. 6.2010 14:22:43

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Abstract

Purpose: To develop a prototype middleware framework between different terminology resources in order to provide a subject cross-browsing service for library portal systems. Design/methodology/approach: Nine terminology experts were interviewed to collect appropriate knowledge to support the development of a theoretical framework for the research. Based on this, a simplified software-based prototype system was constructed incorporating the knowledge acquired. The prototype involved mappings between the computer science schedule of the Dewey Decimal Classification (which acted as a spine) and two controlled vocabularies UKAT and ACM Computing Classification. Subsequently, six further experts in the field were invited to evaluate the prototype system and provide feedback to improve the framework. Findings: The major findings showed that given the large variety of terminology resources distributed on the web, the proposed middleware service is essential to integrate technically and semantically the different terminology resources in order to facilitate subject cross-browsing. A set of recommendations are also made outlining the important approaches and features that support such a cross browsing middleware service.

Content

This paper is a pre-print version presented at the ISKO UK 2009 conference, 22-23 June, prior to peer review and editing. For published proceedings see special issue of Aslib Proceedings journal.

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Date

22. 1.2000 19:22:27

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Date

22. 2.2005 9:16:22

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Date

14. 8.2005 14:22:22

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Abstract

Purpose - Potential and benefits of classification schemes and thesauri in building organizational taxonomies cannot be fully utilized by organizations. Empirical data of building an organizational taxonomy by the top-down approach of using classification schemes and thesauri appear to be lacking. The paper seeks to make a contribution in this regard. Design/methodology/approach - A case study of building an organizational taxonomy was conducted in the information studies domain for the Division of Information Studies at Nanyang Technology University, Singapore. The taxonomy was built by using the Dewey Decimal Classification, the Information Science Taxonomy, two information systems taxonomies, and three thesauri (ASIS&T, LISA, and ERIC). Findings - Classification schemes and thesauri were found to be helpful in creating the structure and categories related to the subject facet of the taxonomy, but organizational community sources had to be consulted and several methods had to be employed. The organizational activities and stakeholders' needs had to be identified to determine the objectives, facets, and the subject coverage of the taxonomy. Main categories were determined by identifying the stakeholders' interests and consulting organizational community sources and domain taxonomies. Category terms were selected from terminologies of classification schemes, domain taxonomies, and thesauri against the stakeholders' interests. Hierarchical structures of the main categories were constructed in line with the stakeholders' perspectives and the navigational role taking advantage of structures/term relationships from classification schemes and thesauri. Categories were determined in line with the concepts and the hierarchical levels. Format of categories were uniformed according to a commonly used standard. The consistency principle was employed to make the taxonomy structure and categories neater. Validation of the draft taxonomy through consultations with the stakeholders further refined the taxonomy. Originality/value - No similar study could be traced in the literature. The steps and methods used in the taxonomy development, and the information studies taxonomy itself, will be helpful for library and information schools and other similar organizations in their effort to develop taxonomies for organizing content and aiding navigation on organizational sites.

Date

7.11.2008 15:22:04

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Date

22. 2.2003 17:25:39
22. 2.2003 18:16:22

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Abstract

Purpose - The paper seeks to discuss the potential impact of managerialism on public libraries in the UK, and to suggest a potential methodology to investigate the reality of the situation based on previous works in the field. Design/methodology/approach - The article provides a reflective viewpoint. Findings - The paper proposes that managerialism in libraries and professional librarians are potentially bad fits, and that a broader understanding of the incompatibilities through proper research is necessary if a healthy future for the profession is to be ensured. Research limitations/implications - The paper proposes a methodology for investigating a potentially crucial impactor on professional librarianship. Originality/value - The paper discusses a topic that is much discussed in relation to other professional groupings, but is little discussed in terms of librarianship.

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Abstract

Managing knowledge means managing the processes of creation, development, distribution and utilisation of knowledge in order to improve organizational performance and increase competitive capacity. However, serious difficulties arise when attempts are made to implement knowledge management in enterprises. One of the reasons behind this situation is the lack of suitable methodologies for guiding the process of development and implementation of a knowledge management system (KMS), which is a computer system that allows the processes of creating, collecting, organising, accessing and using knowledge to be automated as far as possible. In this article we propose a methodology for directing the process of developing and implementing a knowledge management system in any type of organization. The methodology is organised in phases and outlines the activities to be performed, the techniques and supporting tools to be used, and the expected results for each phase. In addition, we show how the proposed methodology can be applied to the particular case of an enterprise.