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This chapter aims to discuss the issues associated with social indexing as a solution to the challenges of current information organization systems by investigating the quality and efficacy of social indexing.

The chapter focuses on the study which compared indexing similarity between two professional groups and also compared social tagging and professional indexing. The study employed the method of the modified vector-based Indexing Consistency Density (ICD) with three different similarity measures: cosine similarity, dot product similarity, and Euclidean distance metric.

The investigation of social indexing in comparison of professional indexing demonstrates that social tags are more accurate descriptions of resources and reflection of more current terminology than controlled vocabulary. Through the characteristics of social tagging discussed in this chapter, we have a clearer understanding of the extent to which social indexing can be used to replace and improve upon professional indexing.

As investment in professionally developed web directories diminishes, it becomes even more critical to understand the characteristics of social tagging and to obtain benefit from it. In future research, the examination of subjective tags needs to be conducted. A survey or user study on tagging behavior also would help to extend understanding of social indexing practices.

Purpose – The purpose of this chapter is to explore whether and how social tagging can be useful in an information web site for cancer patients and their relatives.

Methodology/approach – Three studies have been carried out in order to investigate the research questions. First, we reviewed and analyzed literature about cancer patients’ information needs and seeking behavior, and about social tagging and patient terminology. Second, we analyzed tags applied to blog postings at Blogomkraeft.dk, a blog site at the Danish information web site Cancer.dk. The tags were compared with the formal browsing structure of Cancer.dk. Results from the two studies were used to develop a prototype for social tagging at Cancer.dk. Thus third, we evaluated the prototype in a usability study.

Findings – We found that tags have the potential to describe and provide access to web site content from the users’ perspective and language use. Social tags may be a means to bridge between scientific viewpoints and terminology and everyday problems and vocabulary. Tags at Blogomkraeft.dk are mainly factual, often detailed, and do not cover as many functions as tags in more general bookmarking systems. An important finding is that some tags seemed to add to and supplement the content instead of factually describing the content of a blog posting. The usability test showed that our test persons liked the tagging feature.

Social implications – Tagging features give the public an opportunity to apply their own terms to documents, reflecting their own model of the current topic. Tags may furthermore function as colloquial lead-in terms from users’ search formulations at search engines such as Google to the domain-specific, tailored cancer web site.

Originality/value – Unlike most research on social tagging so far, we investigate tagging in a domain-specific setting, how tags can improve the interaction and communication between layman users and domain experts in an information web site within health care.

This is an attempt to introduce proactive changes when creating and providing intellectual access in order to convince catalogers to become more social catalogers then they have ever been in the past.

Through a brief review and analysis of relevant literature a definition of social cataloging and social cataloger is given.

User contributed content to library catalogs affords informational professionals the opportunity to see directly the users’ perceptions of the usefulness and about-ness of information resources. This is a form of social cataloging especially from the perspective of the information professional seeking to organize information to support knowledge discovery and access.

The user and the cataloger exercise their voice as to what the information resources are about, which in essence is interpreting the intentions of the creator of the resources, how the resource is related to other resources, and perhaps even how the resources can be, or have been, used. Depending on the type of library and information environment, the weight of the work may or may not fall equally on both user and cataloger.

New definitions of social cataloging and social cataloguing are offered and are linked back to Jesse Shera’s idea of social epistemology.

Through a theoretical review of the literature, this chapter assesses the potential of different knowledge organisation systems (KOS) to support corporate knowledge management systems (KMS), namely digital libraries (DL) in companies and other institutions. Questions are framed through which the chapter discusses how classical KOS, such as nomenclatures, classification systems, thesauri and ontologies, are able to reflect explicit knowledge in sense of the Semantic Web and also introduces persons as documents along with folksonomies as a means for externalising implicit knowledge in sense of the Web 2.0.

The chapter introduces the reader to select language of human sexuality and the definitions and characteristics of some key terms related to lesbian, gay, bisexual, transgender, and questioning/queer (LGBTQ+), identifies different theoretical perspectives of human sexuality and sexual orientation, and discusses select LGBTQ+ theories and concepts in a historical context that library and information science (LIS) professionals should consider while performing their roles related to information creation–organization–management–dissemination–research processes. It helps better understand the scope of what is LGBTQ+ information and traces its interdisciplinary connections to reflect on its place within the LIS professions. The chapter discusses these implications with the expectation of the LIS professional to take concrete actions in changing the conditions that lack fairness, equality/equity, justice, and/or human rights for LGBTQ+ people via the use of information. Important considerations in this regard include the need for an integrative interdisciplinary LGBTQ+ information model, growth of a diversified LGBTQ+ knowledge base and experiences, holistic LGBTQ+ information representations, LGBTQ+ activism, and participatory engagement and inclusion of LGBTQ+ users.

Books serve as important information resources and provide space for reflection and identity-building for many lesbian, gay, bisexual, transgender, and queer/questioning (LGBTQ+) people. Many in this community have experienced reduced feelings of isolation through engagement with the writings of others. Providing a safe space for such engagement is vital. Library and information science (LIS) professionals are in an optimal position to meet such needs, particularly when efforts are made to implement changes based on explicitly expressed concerns.

This chapter provides a case study of the LGBTQ Center of Durham, North Carolina, to illustrate how the organization is integrating the local LGBTQ+ community into its library by using the community’s own vocabulary and interests to inform the center’s practices and policies. The chapter also offers a guide to the locally responsive, LGBTQ+-specific classification system created for the LGBTQ Center of Durham’s library collection. This classification system was designed to represent library materials for its Durham and surrounding-area users in a useful, accessible, and respectful manner – a feat that the library committee did not feel could be accomplished using existing classification systems.

Building on the case study for applicability, the author makes recommendations for how LIS professionals who wish to better serve LGBTQ+ users can incorporate the community into their library and/or collection. The author provides additional suggestions for action, with varying levels of commitment, for library professionals and volunteers. Through resource development, training, collection development, and classification revision, libraries can more closely align their practices with the needs of users of all gender identities and sexual orientations.

Purpose: This chapter outlines a cultural critique of the Gangsta as an exemplary figure to investigate the performance of social media identity. The main goal of the chapter is to illustrate some of the implications that social media have on the contemporary dramatization of the criminal, here framed as a collective techno-cultural process at the threshold between social stigma and branding. Despite using the term “Gangsta,” the author’s intent is not to “fix” this figure as an identity or a class of people, but rather to identify a broad cultural context that emerges from a glocalized hip-hop imaginary, stemming from gangsta rap and evolving alongside trap and drill.

Methodology/approach: The contribution is not intended as an empirical sociological study, but a critical cultural exploration of convergent media that bring together a glocalized gang culture and everyday social media interactions. In the second section, the author outlines his theoretical framework by identifying a point of convergence between recent studies of Instagram celebrities and criminological takes on the selective nature of gang identity. The author also explores the relationship between the “dissing,” a cultural form that is very relevant to the more aggressive sub-genres of rap, and the practice of tagging, a key affordance of social media platforms. In so doing, the author frames social media tagging as a form of identity labeling.

Findings: In light of the theory previously outlined, the author explains how tagging is used alternately to enforce social stigma and engage in recursive branding. The final section examines the aforementioned forms of tagging more in detail, in relation to specific media ecologies of YouTube videos that feature compilations of Instagram Stories originally posted by emerging Italian rappers.

Research limitations: Although it is aimed at offering an interdisciplinary contribution, this chapter adopts an admittedly media-focused perspective. Rather than producing more evidence about the use of social media by gangs, the author comments on existing sociological insight in relation to the affordances and esthetics of social media ecologies, re-problematizing certain forms of online interaction.

Originality/value: By focusing on the commonplace practice of tagging in relation to the figure of the Gangsta, the author emphasizes how online labeling practices can be more fraught that they appear, emphasizing the need for further critical reflections on the stereotyping potential of social media branding practices.