An access structure specifying the qualified sets of a secret sharing scheme must have information rate less than or equal to one. The Vamos matroid induces two non-isomorphic access structures V1 and V6, which were shown by Mart́ı-Farré and Padró to have information rates of at least 3/4. Beimel, Livne, and Padró showed that the information rates of V1 and V6 are bounded above by 10/11 and 9/10...

Welcome to this issue of the Proceedings ACM on Human-Computer Interaction, first bring together contributions from community Mobile Interaction (MHCI). The pervasive impact mobile technologies over last few years global pandemic is clear. They have become de facto means for connecting children their virtual classrooms, remote doctor visits, keep us 'in touch' with loved ones, allowing working,...

We are delighted to present this issue of the Proceedings ACM on Human-Computer Interaction, which contains scholarship from Computer-Supported Cooperative Work and Social Computing (CSCW) community. This has 293 papers, 94 that were accepted April 2021 cycle, 61 July 138 January 2022 cycle. It reflects great efforts contributions external reviewers, Associate Chairs Editors, who together have ...

Cortical-surface-based functional Magnetic Resonance Imaging mapping techniques and wide-field retinotopic stimulation were used to verify the presence of pattern motion sensitivity in human area V6. Area V6 is highly selective for coherently moving fields of dots, both at individual and group levels and even with a visual stimulus of standard size. This stimulus is a functional localizer for V...

Various human cancers express elevated levels of the receptor tyrosine kinases Met or Ron and v6-containing isoforms of CD44. The activation of Met and Ron requires the presence of such CD44 v6-containing isoforms that act as coreceptors. Three amino acids within the v6 sequence were identified by mutational analysis to be essential for the coreceptor function: EWQ in the rat sequence and RWH i...

Network and system management activity permanently evolves to expand its scope in term of target entities as well as management tasks to answer IT environment complexity. Consequently, management application are moving to distributed and open approaches. Likewise management information have to deal with recent issues such as heterogeneity and scaleability. This paper presents and analyses these...