Search results

In this paper we report on a theoretical model of structured document indexing and retrieval based on the Dempster‐Shafer Theory of Evidence. This includes a description of our model of structured document retrieval, the representation of structured documents, the representation of individual components, how components are combined, details of the combination process, and how relevance is captured within the model. We also present a detailed account of an implementation of the model, and an evaluation scheme designed to test the effectiveness of our model. Finally we report on the details and results of a series of experiments performed to investigate the characteristics of the model.

The purpose of this paper is to examine how different aspects of an assessor's context, in particular their knowledge of a search topic, their interest in the search topic and their confidence in assessing relevance for a topic, affect the relevance judgements made and the assessor's ability to predict which documents they will assess as being relevant.

The study was conducted as part of the Text REtrieval Conference (TREC) HARD track. Using a specially constructed questionnaire information was sought on TREC assessors' personal context and, using the TREC assessments gathered, the responses were correlated to the questionnaire questions and the final relevance decisions.

This study found that each of the three factors (interest, knowledge and confidence) had an affect on how many documents were assessed as relevant and the balance between how many documents were marked as marginally or highly relevant. Also these factors are shown to affect an assessors' ability to predict what information they will finally mark as being relevant.

The major limitation is that the research is conducted within the TREC initiative. This means that we can report on results but cannot report on discussions with the assessors. The research implications are numerous but mainly on the effect of personal context on the outcomes of a user study.

One major consequence is that we should take more account of how we construct search tasks for IIR evaluation to create tasks that are interesting and relevant to experimental subjects.

Examining different search variables within one study to compare the relative effects on these variables on the search outcomes.

The purpose of this paper is to investigate the everyday life information seeking behaviours of first-time mothers, as they encounter new, significant and pressing information needs which arise alongside their new responsibilities.

A qualitative approach combined narrative interviews with participatory methods to facilitate engagement and remain sensitive to the social context.

Mothers particularly valued the experiential nature of information received from peers or family members. However, fear of judgement influenced their use of interpersonal sources, both on- and off-line. Their accounts of information seeking contained instances of confusion, tension, conflict and information overload. Feeling under pressure to be “good mothers”, they withheld information needs from others, including healthcare professionals.

There was a notable absence of younger ( < 20 year old) and/or less educated mothers in the study. This corresponds to previous findings which report that very young mothers are reluctant to participate in support groups with older mothers. They remain an understudied and potentially marginalised group.

The findings show how social support groups can mitigate for societal pressures which impact upon mothers’ information behaviour, allowing them to connect and share information within a trusted environment. The study highlights the importance of healthcare and information services professionals remaining sensitive to such pressures. Relatedly, the finding that public libraries are used very little has implications for audience engagement and service provision.

Focused upon first-time mothers’ information behaviours during the early stages of parenthood, the study provides insight into how relationships and experiences with others influence information seeking behaviours. It provides evidence that fear of judgement can influence information seeking behaviour, helping us to understand why some information sources, although considered important and useful, can be used very little.

This paper aims to explore how homelessness affects access to information serving higher‐level needs such as identity formation and social interaction.

A multi‐disciplinary literature review informed the design of 18 semi‐structured interviews as well as their subsequent analysis. The interview data were intended to be qualitative and exploratory since they addressed a perceived gap in the information and library science literature.

Findings present the ways in which interviewees managed to access information and the way such information helps socialisation and well‐being.

The study focused on individuals who were potentially more confident and resourceful. The study is also limited to Glasgow which has relatively good provision for the homeless. Further research in a different locale and among less confident individuals would be necessary to corroborate findings in this regard.

The findings confirmed a fundamental research assumption that homeless individuals would pursue higher‐level needs alongside more basic physiological needs. This has practical implications for public libraries' service provision to homeless populations, and also suggests there is greater room for collaboration between libraries and homeless service agencies.

The paper addresses a gap in the literature concerning homelessness and higher‐level needs. This has implications for the provision of information and services within both public libraries and organisations serving the homeless. Findings also challenge widespread assumptions regarding the “otherness” or distinctiveness of people who are homeless.