Finding Problems: When Digital Library Users Act as Usability Evaluators

Khoo, Michael; Kusunoki, Diana S.; MacDonald, Craig M.

doi:10.1109/hicss.2012.279

Cited by 13 publications

(18 citation statements)

References 8 publications

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“…Users may face difficulties in finding resources (Khoo et al , 2012) or discover that the resources found are not always relevant to their search (Nash, 2005). Moreover, navigation problems may occur when users try to return to a previously accessed record (Jeng, 2005).…”

Section: Resultsmentioning

confidence: 99%

“…In recent studies, Zhang et al (2013) established that a user interface was difficult to use by observing participants searching resources by author. Khoo et al (2012) conducted a usability study on the Internet Public Library (Janes, 1998) digital library by involving users and usability experts, using techniques derived from thinking aloud and eye tracking. As a result of this study, the authors identified some limitations associated with the location of digital resources using their interfaces, as users expressed frustration with the high number of imprecise results obtained from the previously defined search criteria.…”

Section: Resultsmentioning

confidence: 99%

“…Previous studies have found that these interfaces do not completely meet users’ needs (Tenopir, 2003). Users may face barriers to finding resources (Khoo et al , 2012) or discover that the resources found are not always relevant to their search (Nash, 2005). Navigation problems may also occur when users try to return to a previously accessed record (Jeng, 2005), and there may be limitations related to the optimal combination of navigation and search methods (Hartson et al , 2004), as some repositories do not allow for the at-a-glance display of materials available in the digital library (Hitchcock et al , 2003; Tsakonas and Papatheodorou, 2008).…”

Section: Discussion Of Resultsmentioning

confidence: 99%

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Trends and challenges of visual search interfaces in digital libraries and repositories

Gaona-García

Martín-Moncunill

Herrera‐Viedma

2017

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Purpose This paper aims to present an overview of the challenges encountered in integrating visual search interfaces into digital libraries and repositories. These challenges come in various forms, including information visualisation, the use of knowledge organisation systems and metadata quality. The main purpose of this study is the identification of criteria for the evaluation and integration of visual search interfaces, proposing guidelines and recommendations to improve information retrieval tasks with emphasis on the education-al context. Design/methodology/approach The information included in this study was collected based on a systematic literature review approach. The main information sources were explored in several digital libraries, including Science Direct, Scopus, ACM and IEEE, and include journal articles, conference proceedings, books, European project reports and deliverables and PhD theses published in an electronic format. A total of 142 studies comprised the review. Findings There are several issues that authors did not fully discuss in this literature review study; more specific, aspects associated with access of digital resources in digital libraries and repositories based on human computer interaction, i.e. usability and learnability of user interfaces; design of a suitable navigation method of search based on simple knowledge organisation schemes; and the use of usefulness of visual search interfaces to locate relevant resources. Research limitations/implications The main steps for carrying out a systematic review are drawn from health care; this methodology is not commonly used in fields such as digital libraries and repositories. The authors aimed to apply the fundamentals of the systematic literature review methodology considering the context of this study. Additionally, there are several aspects of accessibility that were not considered in the study, such as accessibility to content for disabled people as defined by ISO/IEC 40500:2012. Originality/value No other systematic literature reviews have been conducted in this field. The research presents an in-depth analysis of the criteria associated with searching and navigation methods based on the systematic literature review approach. The analysis is relevant for researchers in the field of digital library and repository creation in that it may direct them to considerations in designing and implementing visual search interfaces based on the use of information visualisation.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Discussion Of Resultsmentioning

confidence: 99%

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Trends and challenges of visual search interfaces in digital libraries and repositories

Gaona-García

Martín-Moncunill

Herrera‐Viedma

2017

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“…However, previous research found that these interfaces do not meet all the needs of users (Tenopir, 2003). Users through interfaces, have difficulty finding resources (Khoo, Kusunoki, & MacDonald, 2012), and the resources discovered are not always relevant to search (Nash, 2005). Navigation problems appear when returning to previously accessed registries (Jeng, 2005).…”

Section: Previous Effort In the Fieldmentioning

confidence: 99%

Visualization Techniques Through Search Interfaces in Learning Object Repositories

García

Sánchez‐Alonso

et al. 2014

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In this paper, it is presented a study to evaluate and compare the effectiveness of eight different interfaces based on visualization techniques to carry out searching digital resources according to knowledge area and knowledge representation scheme. The navigation structure is based on hierarchical taxonomic representation through the use of Art and Architecture Thesaurus (AAT). It was adopted principles of Human Computer Interaction (HCI) for the development of search interfaces through information visualization techniques. Finally, it will be presented preliminary results in order to evaluate the most representative aspects to carry out the development of visual search interfaces of learning objects in digital repositories, according to principles of visualization techniques and hierarchic taxonomic classification.

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“…There are different types of techniques used in data visualization, but for our purposes of study, we performed a selection of techniques according to: i) graphical representations structures (Schulz, Hadlak, & Schumann, 2011), ii) thematic clustering strategies (Shneiderman, Feldman, Rose, & Grau, 2000), and finally iii) through hierarchical representations of categories (Khoo, Kusunoki, & MacDonald, 2012;Tenopir, 2003).…”

Section: Visualization Techniquesmentioning

confidence: 99%

Visualization of information: a proposal to improve the search and access to digital resources in repositories

García¹,

Sánchez‐Alonso²,

Marín³

2014

ing.inv.

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Presently, the most notable challenges associated with repositories in resolving problems of searches of digital resources, lie in providing an understanding of resource classification according to a knowledge representation scheme and the relationship between them. However, one of the areas with very little research in the field is the study of visual search interfaces that provide access to relevant materials in digital repositories; more specifically, in the access of digital resources according to areas and sub-areas of a particular knowledge domain through a taxonomy classification. In this article, we focus in proposing a best practice for the search and access to relevant digital resources in repositories through visualization techniques. The article presents a prototype tool as one possible approach to facilitate searches and access to digital resources. Finally, we present the conclusions and future work in the field in order to improve access to relevant materials in digital repositories.Keywords: Visualization techniques, data visualization, user interfaces, repositories, digital resources. RESUMENEn la actualidad, los desafíos más notables asociados a los repositorios para resolver los problemas en la búsqueda de los recursos digitales, se enfocan en ofrecer un mayor entendimiento de la clasificación de los recursos digitales, de acuerdo a un esquema de representación de conocimiento y relación entre ellos. Sin embargo, una de las áreas con pocos estudios en este campo, es el estudio de interfaces visuales que proporcionen acceso a los materiales relevantes en repositorios digitales. Es necesario prestar mayor atención al acceso de los recursos digitales, teniendo en cuenta un conjunto de áreas y sub áreas de dominio del conocimiento especí-fico, a través de una clasificación taxonómica. En este artículo, nos enfocamos en plantear una propuesta de mejores prácticas para la búsqueda y acceso a recursos relevantes en repositorios digitales, a partir de técnicas de visualización. El artículo presenta un prototipo de herramienta como un posible enfoque para facilitar el acceso a los recursos digitales. Finalmente, se presentan las conclusiones y el trabajo futuro en el campo, con el fin de mejorar el acceso a materiales relevantes en repositorios digitales.Palabras clave: Técnicas de visualización, visualización de datos, interfaces de usuarios, repositorios y recursos digitales.

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Finding Problems: When Digital Library Users Act as Usability Evaluators

Cited by 13 publications

References 8 publications

Trends and challenges of visual search interfaces in digital libraries and repositories

Trends and challenges of visual search interfaces in digital libraries and repositories

Visualization Techniques Through Search Interfaces in Learning Object Repositories

Visualization of information: a proposal to improve the search and access to digital resources in repositories

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