110,758 research outputs found

    Podcasts Episode 02: Greg Stilson

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    At the time of this podcast, Mr. Greg Stilson was a Product Director at Humanware and since has become a Product Director at Aira. In this podcast, Mr. Stilson, who happens to be blind, reflects on the advances in orientation aids and the ways that these technologies complement older technologies, such as canes and tactile maps. Image credit: LinkedIn Greg Stilson profilehttps://pdxscholar.library.pdx.edu/sped_podcast/1001/thumbnail.jp

    Greg Rice, Participant

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    Greg Rice is the engineering leader for the Cyber Systems R&D team at Collins Aerospace, where he leads an international team focused on the development of new security technologies in connected aviation systems. Prior to joining Collins, Mr. Rice co-founded True Security, where he led design work on secure, ad-hoc sensor networks for embedded systems and new penetration testing services. Today his primary research interests include multi-level systems, application security, software analysis tools, and building high assurance embedded systems. Mr. Rice’s holds multiple patents in network security mechanisms and intrusion detection and has led the RMF accreditations of embedded systems. His work on the security of avionics has been well recognized; he has served as a subject matter expert on avionics security for the Government Accountability Office and is a frequent conference speaker. Mr. Rice has previously served as PI for multiple S&T programs and today leads innovations and advanced technology development in secure aerospace platforms.https://commons.erau.edu/avcysecworkshop-bios-2024/1041/thumbnail.jp

    Letter from David T. Sullivan to Greg Jordan of the Free Press

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    Letter from David T. Sullivan, Associate Registrar at the University of Maine at Portland-Gorham, to Greg Jordan, Editor at the Free Press, concerning the editorial The Fault, Dear Brutus, Lies Not With The Registrar\u27s Office But With Tardy Teachers . The article contained false information, including listing Madeleine Giguère as a faculty member responsible for delinquent grade entry.https://digitalcommons.usm.maine.edu/giguere-usm-career/1014/thumbnail.jp

    Letter, [Author unclear] to Paulina T. Merritt

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    Handwritten letter to Paulina Merritt from an unknown author, October 1, 1876.

    'Although it's propaganda, we can't be complacent': terrorism expert Greg Barton

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    Summary Prime Minister Malcolm Turnbull says the latest call to arms by the so-called Islamic State group should be taken seriously, despite Victorian police dismissing it as propaganda. IS has used a new English-language online magazine called Rumiyah to issue a fresh call to its followers to attack Australians at key sites including the MCG, the Sydney Opera House and Bondi Beach. Speaking ahead of a regional summit in Laos last night, Malcolm Turnbull said that while the lone wolf threat remained very \u27real\u27, the capacity of IS to carry out such an attack must be kept in perspective. Australia\u27s threat level hasn\u27t changed from \u27probable\u27, despite these calls from IS. Counter terrorism expert Greg Barton joins Hamish Macdonald on RN Breakfast

    Handwritten biographical information on Paulina T. McClung Merritt

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    A handwritten biography of Paulina T. McClung Merritt by an unknown author, 1892.

    Heterogeneous and tissue-specific regulation of effector T cell responses by IFN-gamma during Plasmodium berghei ANKA infection.

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    IFN-γ and T cells are both required for the development of experimental cerebral malaria during Plasmodium berghei ANKA infection. Surprisingly, however, the role of IFN-γ in shaping the effector CD4(+) and CD8(+) T cell response during this infection has not been examined in detail. To address this, we have compared the effector T cell responses in wild-type and IFN-γ(-/-) mice during P. berghei ANKA infection. The expansion of splenic CD4(+) and CD8(+) T cells during P. berghei ANKA infection was unaffected by the absence of IFN-γ, but the contraction phase of the T cell response was significantly attenuated. Splenic T cell activation and effector function were essentially normal in IFN-γ(-/-) mice; however, the migration to, and accumulation of, effector CD4(+) and CD8(+) T cells in the lung, liver, and brain was altered in IFN-γ(-/-) mice. Interestingly, activation and accumulation of T cells in various nonlymphoid organs was differently affected by lack of IFN-γ, suggesting that IFN-γ influences T cell effector function to varying levels in different anatomical locations. Importantly, control of splenic T cell numbers during P. berghei ANKA infection depended on active IFN-γ-dependent environmental signals--leading to T cell apoptosis--rather than upon intrinsic alterations in T cell programming. To our knowledge, this is the first study to fully investigate the role of IFN-γ in modulating T cell function during P. berghei ANKA infection and reveals that IFN-γ is required for efficient contraction of the pool of activated T cells

    Dispelling the Myths Behind First-author Citation Counts

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    We conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more sophisticated methods
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