307,087 research outputs found

    DiStefano: Decentralized Infrastructure for Sharing Trusted Encrypted Facts and Nothing More

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    We design DiStefano: an efficient, maliciously-secure framework for generating private commitments over TLS-encrypted web traffic, for verification by a designated third-party. DiStefano provides many improvements over previous TLS commitment systems, including: a modular protocol specific to TLS 1.3, support for arbitrary verifiable claims over encrypted data, client browsing history privacy amongst pre-approved TLS servers, and various optimisations to ensure fast online performance of the TLS 1.3 session. We build a permissive open-source implementation of DiStefano integrated into the BoringSSL cryptographic library (used by Chromium-based Internet browsers). We show that DiStefano is practical in both LAN and WAN settings for committing to facts in arbitrary TLS traffic, requiring << 1 s and 80 KiB to execute the complete online phase of the protocol

    Supporting data for Polymeric medical sutures: An exploration of polymers and green chemistry

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    Full description in Readme file.These files contain data along with associated output from instrumentation supporting all results reported in Knutson, C. M.; Schneiderman, D. K.; Yu, M.; Javner, C. H.; Distefano, M. D.; Wissinger, J. E. Polymeric medical sutures: An exploration of polymers and green chemistry. J. Chem. Educ. 2017, 94, 1761–1765. In Knutson, et. al. it was found that with new K–12 national science standards emerging, there is an increased need for experiments that integrate engineering into the context of society. Here we describe a chemistry experiment that combines science and engineering principles while introducing basic polymer and green chemistry concepts. Using medical sutures as a platform for investigating polymers, students explore the physical and mechanical properties of threads drawn from poly(ε-caprolactone) samples of different molecular masses and actual purchased absorbable and nonabsorbable medical sutures. An inquiry-based part of the experiment tasks students with designing their own experiment to probe the potential of melt blending poly(ε-caprolactone) with commercially available polylactide products in order to modify the properties of the “sutures” drawn. Through these lessons students gain an appreciation for the importance of plastics in our society and how scientists are working to develop more sustainable alternatives. Overall, this laboratory experiment provides a feasible, versatile, sophisticated laboratory experience that engages students in a relatable topic and meets many of the Next Generation Science Standards.Minnesota Pollution Control Agency (Swift 52526)NSF CHE-1413862NSF RET DMR-1559833Knutson, Cassandra M; Schneiderman, Deborah K; Yu, Ming; Javner, Cassidy H; Distefano, Mark D; Wissinger, Jane E. (2018). Supporting data for Polymeric medical sutures: An exploration of polymers and green chemistry. Retrieved from the University Digital Conservancy, https://doi.org/10.13020/D6F115

    Soluzione delle controversie nell'Omc e diritto Internazionale

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    uesto testo, accogliendo un'impostazione di respiro internazionale, colma una lacuna nella letteratura italiana relativa al sistema di soluzione delle controversie dell'Organizzazione mondiale del commercio. Il volume offre un quadro dettagliato della giurisprudenza OMC, in special modo dell'Organo d' appello. Esso evidenzia gli elementi di continuità e di novità tra diritto internazionale generale e diritto del commercio internazionale, tanto sotto l'aspetto del diritto sostanziale apllicabile, quanto sotto quello delle norme in materia processuale. Abbreviazioni. - I: L'intesa sulle norme e sulle procedure che regolano la soluzione delle controversie nel sistema OMC. - II: Il ruolo dei Panels, dell'organo d'appello e del DSB nelle diverse fasi del procedimento. - III: Il diritto sostanziale applicabile. - IV: Il diritto processuale applicabile. - V: Il diritto applicabile come parte integrante del diritto internazionale. - Appendice documentaria. - Indice degli autori

    Barbara Distefano, Sciascia maestro di scuola. Lo scrittore insegnante, i registri di classe e l'impegno pedagogico

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    Review of the book Sciascia maestro di scuola. Lo scrittore insegnante, i registri di classe e l'impegno pedagogico by Barbara Distefano.Recensione del volume Sciascia maestro di scuola. Lo scrittore insegnante, i registri di classe e l'impegno pedagogico di Barbara Distefano

    Il mondo in casa. Indagine sulle badanti in provincia di Livorno

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    Il presente lavoro ha lo scopo di fornire un quadro analitico, costituito da statistiche descrittive e stime, delle principali caratteristiche e della situazione lavorativa dei/delle badanti in Toscana, in generale, e in provincia di Livorno, in particolare

    Course Studies : Tracking Ontario's Thames : An Exploration of the River

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    Illustrated by period paintings, photographs, maps and historical documentation, Kapelos’ consideration of the Thames River in Ontario investigates the meaning of landscape, its cultural sedimentation, and how place is constituted by the vernacular manifestation of abstract concepts of order, time, and system. L. DiStefano contributes an essay on 19th century travel narratives and adventure tourism associated with the Thames. 36 recent photographs by Evans capture the diversity along the river. List of facts about the Thames with map of its watershed. Bibl. 3 p. 134 bibl. ref

    Permanenze e innovazioni nell’architettura antica

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    Il testo esamina brevemente il rapporto tra permanenze e innovazioni nell’architettura antica del mediterraneo con tre esempi, descritti sinteticamente e tratti dalle ricerche di dottorato degli autori

    Andrea Cannas Giovanni Vito Distefano, Percorsi dell’immaginazione e della conoscenza nelle Operette Morali di Giacomo Leopardi

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    Dalla seconda collaborazione tra Andrea Cannas, ricercatore e docente di Letteratura italiana presso il Dipartimento di Filologia, Letteratura e Linguistica dell’Università di Cagliari, e Giovanni Vito Distefano, dottore di ricerca in italianistica, nasce il presente volume dal titolo Percorsi dell’immaginazione e della conoscenza nelle “Operette morali” di Giacomo Leopardi. Il testo, luogo di convergenza degli ambiti di ricerca propri degli autori (le riscritture novecentesche del mito di fo..

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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
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