8 research outputs found

    Problems of digital library management

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    The article considers the organization and management of the processes of digitalization of libraries. The authors give their definition of the concept of a digital library. The paper reviews the advantages of the introduction of information and communication technologies in modern libraries, the demand for innovative digital library platforms from users. The study formulates frequent problems associated with the use of digital innovations, among which are the difficulties of managing electronic library systems. The authors note the lack of compatibility of the functionality of different platforms, which makes it difficult to transfer and adapt them from one library to another, as well as the difficulties of collecting statistics on the attendance of electronic libraries, available to both operators and users.The research paper raises the question about the development of a single standard of statistics for modern digital libraries. The study notes the necessity of creating user-friendly and understandable interfaces in electronic library applications. The problems of financing the services of digital libraries, library personnel, copyright compliance and dissemination of information about the activities of modern libraries as educational and leisure cultural centers are relevant. The authors point to the rethinking of traditional approaches to library management and the work of librarians as one of the most important tasks of organizing library systems

    Customizing Digital Libraries for Small Screen Devices

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    In this paper we present a system that allows users to access digital libraries using small screen devices. Instead of providing users with a single hard-coded solution, we allow them to customize how the content is structured, formatted and viewed on the small display. The centre of our system is a tool that can be used to customize Greenstone Digital Library collections for small displays. To lower the entry level, this tool has been designed to provide an abstraction from Greenstone’s low level architecture and other computing technologies, such as HTML and Java Script. We also place a strong emphasis on evaluation and incorporate users throughout the software development cycle. Lastly in the discussion, we speculate that by designing usable and customizable systems, there is the potential of breaking down the open source revenue model, which relies on providing services for systems that are hard to use and configure

    Mobile Clustering Engine

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    Mobile Findex: Facilitating Information Access in Mobile Web Search with Automatic Result Clustering

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    Designing an effective mobile search user interface is challenging, as interacting with the results is often complicated by the lack of available screen space and limited interaction methods. We present Mobile Findex, a mobile search user interface that uses automatically computed result clusters to provide the user with an overview of the result set. In addition, it utilizes a focus-plus-context result list presentation combined with an intuitive browsing method to aid the user in the evaluation of results. A user study with 16 participants was carried out to evaluate Mobile Findex. Subjective evaluations show that Mobile Findex was clearly preferred by the participants over the traditional ranked result list in terms of ease of finding relevant results, suitability to tasks, and perceived efficiency. While the use of categories resulted in a lower rate of nonrelevant result selections and better precision in some tasks, an overall significant difference in search performance was not observed

    Integrating information seeking and information structuring: spatial hypertext as an interface to the digital library.

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    Information seeking is the task of finding documents that satisfy the information needs of a person or organisation. Digital Libraries are one means of providing documents to meet the information needs of their users - i.e. as a resource to support information seeking. Therefore, research into the activity of information seeking is key to the development and understanding of digital libraries. Information structuring is the activity of organising documents found in the process of information seeking. Information structuring can be seen as either part of information seeking, or as a sepárate, complementary activity. It is a task performed by the seeker themselves and targeted by them to support their understanding and the management of later seeking activity. Though information structuring is an important task, it receives sparse support in current digital library Systems. Spatial hypertexts are computer software Systems that have been specifically been developed to support information structuring. However, they seldom are connected to Systems that support information seeking. Thus to day, the two inter-related activities of information seeking and information structuring have been supported by disjoint computer Systems. However, a variety of research strongly indicates that in physical environments, information seeking and information structuring are closely inter-related activities. Given this connection, this thesis explores whether a similar relationship can be found in electronic information seeking environments. However, given the absence of a software system that supports both activities well, there is an immédiate practical problem. In this thesis, I introduce an integrated information seeking and structuring System, called Garnet, that provides a spatial hypertext interface that also supports information seeking in a digital library. The opportunity of supporting information seeking by the artefacts of information structuring is explored in the Garnet system, drawing on the benefits previously found in supporting one information seeking activity with the artefacts of another. Garnet and its use are studied in a qualitative user study that results in the comparison of user behaviour in a combined electronic environment with previous studies in physical environments. The response of participants to using Garnet is reported, particularly regarding their perceptions of the combined system and the quality of the interaction. Finally, the potential value of the artefacts of information structuring to support information seeking is also evaluated

    Design and Evaluation of User Interfaces for Mobile Web Search

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    Mobiili tiedonhaku on jatkuvasti kasvava ja monimuotoistuva osa jokapäiväistä tiedonhankintaa. Aikaisemman tutkimuksen mukaan tarvitaan kuitenkin parempia käyttöliittymäratkaisuja tukemaan mobiililaitteilla tapahtuvaa verkkotiedonhakua. Väitöskirjatutkimuksessa suunniteltiin ja toteutettiin kaksi uutta hakukäyttöliittymää, joita arvioitiin käyttäjätutkimuksissa. Ensimmäinen käyttöliittymä perustuu siihen, että hakutulokset luokitellaan ryhmiin niissä esiintyvien avainsanojen perusteella. Käyttäjätutkimusten tulokset osoittavat, että luokittelulla voidaan tukea mobiilikäyttäjien tutkivaa tiedonhakua. Toinen käyttöliittymä antaa hakutulosten yhteydessä yleiskuvan hakulauseen sijaintikohdista tulosdokumenteissa. Vaikkakin menetelmän käyttö vaatii opettelua, käyttäjäarviot osoittavat että se voi auttaa sivuuttamaan huonot hakutulokset, etenkin silloin kun muut hakutulosta kuvaavat tiedot ovat epäselviä. Lisäksi väitöskirjassa tutkittiin aktiivisten mobiili-Internetin käyttäjien tiedontarpeita verkkotiedonhaun käytön ymmärtämiseksi. Tutkimustulosten mukaan hakujen tekeminen ja verkon selaaminen ovat näiden käyttäjien tärkeimpiä tiedonhankintatapoja. Niillä pyritään vastaamaan tiedontarpeisiin heti niiden ilmaantuessa, olipa käyttäjä sitten kotona, liikkeessä tai sosiaalisessa vuorovaikutustilanteessa. Mobiili tiedonhankinta on vahvasti sidoksissa käyttötilanteeseen, mikä tulee huomioida hakukäyttöliittymien suunnittelussa. Tulevaisuuden hakukäyttöliittymät voivat esimerkiksi tukea tiedonhankintaa hyödyntämällä tietoa käyttäjän sijainnista ja aktiviteeteista. Myös epämuodollisten ja tutkivien tiedontarpeiden kasvava rooli asettaa uusia haasteita vuorovaikutuksen suunnittelulle.Mobile Web search is a rapidly growing information seeking activity employed across different locations, situations, and activities. Current mobile search interfaces are based on the ranked result list, dominant in desktop interfaces. Research suggests that new paradigms are needed for better support of mobile searchers. For this dissertation, two such novel search interface techniques were designed, implemented, and evaluated. The first method, a clustering search interface that presents a category- based overview of the results, was studied both in a task-based experiment in a laboratory setting and in a longitudinal field study wherein it was used to address real information needs. The results indicate that clustering can support exploratory search needs when the searcher has trouble defining the information need, requires an overview of the search topic, or is interested in multiple results related to the same topic. The findings informed design guidelines for category-based search interfaces. How and when categorization is presented in the search interface needs to be carefully considered. Categorization methods should be improved, for better response to diverse information needs. Hybrid approaches employing contextually informed clustering, classification, and faceted browsing may offer the best match for user needs. The second presentation method, a visualization of the occurrences of the user s query phrase in a result document, can be incorporated into the ranked result list as an additional, unobtrusive result descriptor. It allows the searcher to see how often the query phrase appears in the result document, enabling the use of various evaluation strategies to assess the relevance of the results. Several iterations of the visualization were studied with users to form an understanding of the potential of this approach. The results suggest that a novel visualization can be useful in ruling out non-relevant results and can assist when the other result descriptors do not provide for a conclusive relevance assessment. However, users familiarity with well-established result descriptors means that users have to learn how to integrate the visualization into their search strategies and reconcile situations in which the visualization is in conflict with other metadata. In addition, the contextual triggers and information behaviors of mobile Internet users were studied, for understanding of the role of Web search as a mobile information seeking activity. The results from this study show that mobile Web search and browsing are important information seeking activities. They are engaged in to resolve emerging information needs as they appear, whether at home, on the go, or in social situations
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