1,721,037 research outputs found
Trustworthy User Modeling and Recommendation from Technical and Regulatory Perspectives
No full textThis tutorial provides an interdisciplinary overview of fairness, non-discrimination, transparency, privacy, and security in the context of recommender systems. According to European policies, these are essential dimensions of trustworthy AI systems but also extend to the global debate on regulating AI technology. Since the aspects mentioned earlier require more than technical considerations, we discuss these topics from ethical, legal, and regulatory perspectives. While the tutorial's primary focus is on presenting technical solutions that address the mentioned topics of trustworthiness, it also equips the primarily technical audience of UMAP with the necessary understanding of the social and ethical implications of their research and development and recent ethical guidelines and regulatory frameworks
The use of engineered biomaterial bone plexur m® in benign epiphyseal tumors: our experience at 20 months of follow-up.
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A possible case of Hashimoto's encephalopathy after surgery and radiometabolic therapy for thyroid carcinoma.
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Tumefactive Demyelinating Lesions and Pregnancy
Full text linkUntil now, only one gestational tumefactive demyelinating lesion (TDL) has been described. Here we report
two TDL cases occurring during and after the pregnancy. A 26-year-old 6-week pregnant woman developed a
3-cm left frontotemporoparietal subcortical TDL with inhomogeneous partial enhancement. Brain biopsy
revealed a subacute demyelinating lesion with abundant macrophages and mild chronic perivascular
inflammatory infiltrates. She also had femoralpopliteal deep vein thrombosis. During the 4-year follow-up,
magnetic resonance imaging showed only residual biopsied TDL. The second case was a 41-year-woman
affected by both multiple sclerosis (MS) and rheumatoid arthritis who developed a 2-cm right anterior corona
radiata TDL with sporadic gadolinium-enhancing “annular spots” eight months after delivery. After steroid
therapy at the 6-month radiological follow-up, this TDL was half-reduced. Five years earlier, at the beginning of
her MS, she already had a 2-cm TDL with incomplete ring enhancement. These two described TDLs formed in
prothrombotic conditions and were likely representative of thromboinflammation around and inside the smallmedium veins
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
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