In this era of overabundant information and content, people increasingly rely on recommender systems to identify those information items that best meet their needs and interests. Movie recommender systems, like the one used by Netflix, attempt to predict which films a given person will enjoy watching. While these systems help single individuals making decisions, they provide limited support for groups of people. This work explores how to create recommender systems for groups that can combine multiple user profiles and predict which movies a group of users will collectively enjoy the most. We built a prototype using Netflix REST API based on the results of a formative study of the watching habits of 60 actual Netflix users and examined their views of how a group recommendation system would fit in with their current habits. We conducted a preliminary evaluation with a focus group which validated our approach to group recommendations, revealing that this type of system could facilitate social interactions by sparking discussion about movies, directors, and actors among viewers. This prototype provides a valuable platform for further exploring group decision making in this context.

INTRODUCTIONThe rapidly changing scholarly communication ecosystem is placing a growing premium on research data and scholarship that is openly available. It also places a growing pressure on universities and research organizations to expand their publishing infrastructures and related services. DESCRIPTION OF PROGRAM To embrace the change and meet local demands, University of Houston (UH) Libraries formed a cross-departmental open access implementation team in 2017 to expand our open access repository services to accommodate a broad range of research products beyond electronic theses and dissertations (ETDs). The result of this effort was the Cougar Research Open Access Repositories (Cougar ROAR), a rebranded and expanded portal to the UH Institutional Repository, and the UH Dataverse, which disseminates the full range of scholarly outputs generated at the University of Houston. This article describes the team's phased activities, including internal preparation, a campus pilot, rebranding, and a robust outreach program. It also details the team's specific tasks, such as building the Cougar ROAR portal, developing ROAR policies and guidelines, enhancing institutional repository functionality, conducting campus promotional activities, and piloting and scaling a campus-wide open access program. NEXT STEPS Based on the pilot project findings and the resulting recommendations, the team outlined key next steps for sustainability of the UH Libraries' open access services: continuation of the campus CV service, establishment of campus-wide OA policy, further promotion of Cougar ROAR and assessment of OA programs and services, and investment in long-term storage and preservation of scholarly output in Cougar ROAR.

Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by the presence of autoantibodies in serum and multi-organ inflammation. Immune complex deposition in kidney can lead to lupus nephritis, which is a major risk factor for morbidity and mortality in SLE. Using FcγRIIB−/− mice as a lupus animal model, we performed a detailed time course analysis of the extent of the spontaneous leukocyte activation and expansion in spleen and in renal, inguinal, mesenteric lymph nodes. We then correlated the data with the onset of pathology and leukocyte infiltration in the kidney. In the FcγRIIB−/− mouse model, effector-memory CD4 cells and germinal centers appeared first in the spleen and renal lymph nodes, but not in other immune organs such as inguinal or mesenteric lymph nodes. As the disease progresses in these mice, lymphocytes undergo an extensive expansion that involves all immune organs in a systemic manner. At the same moment we can detect the first signs of kidney pathology, measured by histopathology and by the levels of creatinine and albumin in urine. In FcγRIIB−/− mice, the onset of kidney pathology correlates with leukocyte infiltration in kidney, detected both by parenchyma-restricted flow cytometry and histopathology. Macrophages, CD4 and CD8 cells are found both in glomerular and interstitial spaces with the exclusion of B cells, most likely suggesting a role for T cells and/or macrophage specific chemokine signals in lupus nephritic kidney.

This article describes multiple stages of usability testing that were conducted before and after a large research library’s transition to a new platform for its research guides. A large interdepartmental team sought user feedback on the design, content, and organization of the guide homepage, as well as on individual subject guides. This information was collected using an open-card-sort study, two face-to-face, think-aloud testing protocols, and an online survey. Significant findings include that users need clear directions and titles that incorporate familiar terminology, do not readily understand the purpose of guides, and are easily overwhelmed by excess information, and that many of librarians’ assumptions about the use of library resources may be mistaken. This study will be of value to other library workers seeking insight into user needs and behaviors around online resources.