VisualBib: A novel Web app for supporting researchers in the creation, visualization and sharing of bibliographies

In this paper, we present VisualBib, a Web application, which allows users to create, visualize, modify, explore, and share bibliographies and the related citation networks, using innovative diagrams, called narrative views. The metadata are retrieved in real-time from four existing bibliographic indexes, Scopus, OpenCitations, and CrossRef/Orcid. Bibliographies and views are formally described and modeled using zz-structures, a semantic, not-hierarchical data model. VisualBib has been evaluated through two evaluation studies, one focused on the quantitative side and another on the qualitative side. Taking into account both studies, they evaluate the tool regarding the effectiveness performing tasks, usability, graphic layout and other questions specific to the VisualBib features. The evaluation throws positive significant results in all areas when compared to Scopus searching features

Search behaviour in electronic document and records management systems: An exploratory investigation and model

Introduction. Organisations implement records management programmes and invest in electronic document and records management systems so that information can be accessed by the right person, at the right time, with the least amount of effort and cost. One of the key factors that predicts the effectiveness of these systems relates to the degree to which users successfully identify the records they wish to retrieve. In this paper we offer a deeper insight into how knowledge workers employ these systems to address their information needs. Method. Four records managers were interviewed to determine how records management principles were applied in their systems. Interviews were also conducted with ten users from each organisation to map their search behaviour. Additionally, protocol analysis was used to observe how participants verbalised their thought processes and actions when they conducted their simple and difficult searches in the systems. Results. A comprehensive model of search behaviour when using electronic document and records management systems was developed from the study. Seven key search stages were identified, illustrating the different ways in which searchers approach their information problem. Conclusions. The study highlights some key differences between users of these systems and other forms of information search behaviour, including different methods of addressing simple or difficult search needs, and user approaches around identifying search strategies. The particular challenges that arise in retrieving information from these systems are also explored

Electronic Information in School Libraries

Microcomputers have progressed from toys to tools in managing school libraries. Equipment inventory, circulation, online catalogs, acquisitions, and serials management/check-in have all been affected. In addition, high technology has presented new possibilities for educating young people, and school librarians are faced with a role change as they rise to meet this challenge.published or submitted for publicatio

Text Extraction and Web Searching in a Non-Latin Language

Recent studies of queries submitted to Internet Search Engines have shown that non-English queries and unclassifiable queries have nearly tripled during the last decade. Most search engines were originally engineered for English. They do not take full account of inflectional semantics nor, for example, diacritics or the use of capitals which is a common feature in languages other than English. The literature concludes that searching using non-English and non-Latin based queries results in lower success and requires additional user effort to achieve acceptable precision. The primary aim of this research study is to develop an evaluation methodology for identifying the shortcomings and measuring the effectiveness of search engines with non-English queries. It also proposes a number of solutions for the existing situation. A Greek query log is analyzed considering the morphological features of the Greek language. Also a text extraction experiment revealed some problems related to the encoding and the morphological and grammatical differences among semantically equivalent Greek terms. A first stopword list for Greek based on a domain independent collection has been produced and its application in Web searching has been studied. The effect of lemmatization of query terms and the factors influencing text based image retrieval in Greek are also studied. Finally, an instructional strategy is presented for teaching non-English students how to effectively utilize search engines. The evaluation of the capabilities of the search engines showed that international and nationwide search engines ignore most of the linguistic idiosyncrasies of Greek and other complex European languages. There is a lack of freely available non-English resources to work with (test corpus, linguistic resources, etc). The research showed that the application of standard IR techniques, such as stopword removal, stemming, lemmatization and query expansion, in Greek Web searching increases precision. i

Cataloguing practices from creation to use: a study of Cape Town Metropolitan Public Libraries in Western Cape Province, South Africa.

Doctor of Philosophy in Information Studies. University of KwaZulu-Natal, Pietermaritzburg, 2019.Cataloguing is the process of creating metadata representing information sources such as books, sound recordings, digital video disks (DVDs), journals and other materials found in a library or group of libraries. This process requires the use of standardised cataloguing tools to achieve the bibliographic description, authority control, subject analysis and assignment of classification notation to generate a library catalogue. The well-generated library catalogue serves as an index of a collection of information sources found in libraries that enables the library users to discover which information sources are available and where they are in the library. Such a catalogue should provide information such as the creators’ names, titles, subject terms, standard number, publication area, physical description and notes that describe those information sources to facilitate easy information retrieval. This study sought to investigate cataloguing practices from creation to use in Cape Town Metropolitan public libraries in South Africa with the aim of deepening the understanding of the importance of cataloguing standards in creating bibliographic data for the libraries. The study also sought to address the following research questions: “What skills do the cataloguers of Cape Town Metropolitan libraries possess?”, “To what extent do cataloguers in Cape Town Metropolitan public libraries adhere to international standards when creating records in the online catalogue?”, “How are the cataloguing records created on the system by cataloguers in the Cape Town Metropolitan used within and across the public libraries?”, “How are the new Resource Description and Access (RDA) standards applied in public libraries in the Cape Town Metropolitan to ensure they accommodate entities and attributes as described by the international cataloguing standards?”, “What records quality control measures are used in computerised cataloguing by public libraries in the Cape Town Metropolitan?”, “How effective is the computerised cataloguing system of Cape Town Metropolitan public libraries?”, “What are the challenges experienced by public libraries in the Cape Town Metropolitan in computerised cataloguing?” The study was underpinned by a combination of the IFLA’s Functional Requirements for Bibliographic Records (FRBR), Functional Requirements for Authority Data (FRAD) and Functional Requirements for Subject Authority Data (FRSAD). The study adopted a pragmatic paradigm associated with the mixed methods (MMR) approach where the qualitative aspects were dominant. The study adopted a case study design and data were collected using focus group discussions, face-to-face interviews, questionnaires, and document review methods. The population of the study comprised cataloguers, senior librarians, librarians and library assistants of 10 libraries in the City of Cape Town Metropolitan. Reliability and validity of the instruments were ascertained through a pilot study. The data collected were presented and analysed both qualitatively and quantitatively. The qualitative data were analysed thematically, presented in narrative description, while the quantitative data were coded and analysed using Statistical Package for the Social Sciences (SPSS), and presented in tables, graphs and charts, where applicable. The findings of the study revealed that although the cataloguers were experienced in their work, some catalogue records did not fully adhere to the cataloguing rules. Furthermore, there were no continuous development programmes in place to update the cataloguers’ knowledge and cope with dynamic changes in the cataloguing fields. In addition, the findings revealed that some catalogue records did not have adequate information descriptions to facilitate effective retrieval of information. The study also found that a peer review mechanism was used to facilitate quality control; the system used for cataloguing did not have all MARC tags and cataloguers experienced some challenges with the use of the cataloguing standards and assigning subject headings for non-roman sources. From the findings of the study, it was concluded that cataloguers did not adhere to international cataloguing standards when creating the catalogue records. A number of recommendations were therefore proffered among them that Cape Town Metropolitan Libraries (CCTML) should consider to improve their catalogue quality control measures. Moreover, cataloguers need adequate skills to enable them to implement and sustain the computerised system for cataloguing and retrieval. The CCTML need policies that provide the guidelines in the application of cataloguing rules and standards. The cataloguing department should consider planning for a re-cataloguing project to modify the records that did not have enough descriptions on the system Online Public Access Catalogue (OPAC) to improve retrieval

Visual approaches to knowledge organization and contextual exploration

This thesis explores possible visual approaches for the representation of semantic structures, such as zz-structures. Some holistic visual representations of complex domains have been investigated through the proposal of new views - the so-called zz-views - that allow both to make visible the interconnections between elements and to support a contextual and multilevel exploration of knowledge. The potential of this approach has been examined in the context of two case studies that have led to the creation of two Web applications. The \ufb01rst domain of study regarded the visual representation, analysis and management of scienti\ufb01c bibliographies. In this context, we modeled a Web application, we called VisualBib, to support researchers in building, re\ufb01ning, analyzing and sharing bibliographies. We adopted a multi-faceted approach integrating features that are typical of three di\ufb00erent classes of tools: bibliography visual analysis systems, bibliographic citation indexes and personal research assistants. The evaluation studies carried out on a \ufb01rst prototype highlighted the positive impact of our visual model and encouraged us to improve it and develop further visual analysis features we incorporated in the version 3.0 of the application. The second case study concerned the modeling and development of a multimedia catalog of Web and mobile applications. The objective was to provide an overview of a significant number of tools that can help teachers in the implementation of active learning approaches supported by technology and in the design of Teaching and Learning Activities (TLAs). We analyzed and documented 281 applications, preparing for each of them a detailed multilingual card and a video-presentation, organizing all the material in an original purpose-based taxonomy, visually represented through a browsable holistic view. The catalog, we called AppInventory, provides contextual exploration mechanisms based on zz-structures, collects user contributions and evaluations about the apps and o\ufb00ers visual analysis tools for the comparison of the applications data and user evaluations. The results of two user studies carried out on groups of teachers and students shown a very positive impact of our proposal in term of graphical layout, semantic structure, navigation mechanisms and usability, also in comparison with two similar catalogs

ICL Technical Journal 4(4): CAFS-ISP

The special issue of the ICL Technical Journal on CAFS-ISP. This closely followed the award to ICL of the Queen's Award for Technology in April, 1985. The contents include the history of the hardware and software, its status and future, perspectives from leading developers and users, and a list of related patents