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PurposeThis study introduces Simone Weil's impersonal justice concept and its relevance to libraries' identity and role in societies. The article presents the constituents of impersonal justice and a theoretical justification for the coexistence of neutrality with libraries' commitment to social causes.Design/methodology/approachConceptual analysis of 3 Weil's works, 13 scientific articles and 12 libraries' official documents was applied, looking at relevant concepts and findings, contexts of use, arguments and types of authority.FindingsFive constituents of impersonal justice were found: universality, concreteness, unicity, inviolability and inappropriability. Impersonal justice, based on the inviolable value of each individual and the universal expectation of good, allows for a more accurate definition of social justice. Besides, it justifies libraries' commitment to climate change, migrants and Black lives matter, among other causes.Originality/valueIn contrast to previous works, this paper focuses on clarifying concepts by applying conceptual analysis to Weil's works, Library and Information Science (LIS) sources in scientific and normative contexts. Additionally, the analysis of arguments and types of authority for justifying claims pro and against neutrality allows the reconstruction of the argumentative discourse beyond the examined sources.

Purpose>The purpose of this paper is to investigate practices of argumentation on Twitter discussions about climate change.Design/methodology/approach>Conversational threads were collected from the Twitter API. Fundamental concepts from argumentation theory and linking practices were operationalised through a coding schema for content analysis. Tweets were analysed in the context of the discussions and coded according to their argumentative approach, interaction type and argumentation stage. Linked and embedded sources were analysed in order to find how they were used in arguments, the plausibility and soundness of the message, the consistency and trustworthiness of the linked source and its adequacy with the target audience.Findings>Among the interactions between arguers, this study found five typical practices and several patterns involving the dynamics of the conversations, the strategy of the argumentation and the linking practices. Although the rhetorical approach was prominent, the agreement was rarely achieved. The arguers used a variety of sources to justify or support their positions, often embedding non-textual content. These linking practices, together with the strategy adopted and the topics discussed, suggest the involvement of a multiple audience engaged in discussing ad lib scientific artefacts, topics and outputs.Originality/value>While Twitter has been the focus for many research papers, the conversational threads have been given little attention so far. With the Twitter API making conversations more accessible for research, this paper does not only give insight into multiple audience group argumentation dynamics but also provides a method to study the conversations from an argumentation theory perspective.

PurposeThe credibility crisis of science is a growing topic of investigation. This study approaches the problem from the sustainability of the scholarly communication system by merging argumentation with information science.Design/methodology/approachCoding and content analysis drawing from a well-established textual argumentative tradition; a novel non-textual approach to complex communication and, an overlooked definition of sustainable information, were applied to 34 research works. The retrieval was carried out using Inciteful, a tool exploring literature networks. Additional information, such as keywords, mapping to Sustainable Development Goals (SDGs) and citations were acquired through the OpenAlex API. Operationalisation of concepts from the theoretical framework underpinned the selection and analysis of documents.FindingsScholars virtually involve peers, funding agencies, research councils, policymakers, experts, practitioners and representatives of the public in their formal written production. The described coalitions are occasional, while the needed ones are deep. Three forms of scholarly communication were found: traditional, dialogical and complex depending on the involved audiences. The sample tells us about the sustainability of the scientific communication system and the impact it may have on the public construction of imaginaries of science.Originality/valueThis investigation frames scholars, their products and societies as intertwined dialogical entities constantly communicating and impacting each other. Direct and indirect forms of scholarly communications are addressed too, showing how poor sustainability in these processes may entail a failure to reach different layers of societies.

The introduction of CDK4/6 inhibitors (CDK4/6i) has improved outcomes in hormone receptor-positive (HR+)/HER2-negative metastatic breast cancer (mBC), including in patients with bone metastases. Assessing their comparative effectiveness in real-world settings is crucial. This retrospective, multicenter cohort study (January 2019-December 2023; median follow-up 39 months) evaluated the real-world progression-free survival (rwPFS) of abemaciclib, ribociclib, and palbociclib combined with endocrine therapy (ET) in HR+/HER2- mBC patients with bone metastases. Overall survival (OS) was a secondary exploratory endpoint. A total of 1399 patients with ECOG PS 0-1 and at least 12 months of follow-up were included. Analyses used propensity score matching (PSM) and inverse probability of treatment weighting (IPTW) to adjust for confounding. Palbociclib showed shorter rwPFS (22 months) compared to abemaciclib (32 months; HR = 1.47, p = 0.001) and ribociclib (35 months; HR = 1.49, p < 0.001). No significant difference was observed between abemaciclib and ribociclib. OS was also lower with palbociclib (47 months) versus abemaciclib (60 months; HR = 1.77, p < 0.001) and ribociclib (64 months; HR = 1.69, p = 0.001). Results were consistent after PSM and IPTW adjustment. Ribociclib and abemaciclib may provide superior rwPFS and OS compared to palbociclib in HR+/HER2- mBC patients with bone metastases.\\.