[PDF] 2023 2nd International Conference On Computing Communication Perception And Quantum Technology Ccpqt eBook

Author : IEEE Staff
Publisher :
Page : 0 pages
File Size : 42,88 MB
Release : 2023-08-04
Category :
ISBN :

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CCPQT 2023 focuses on the topics of perception technology, green communication, emerging computing technolo gy, quantum science, etc CCPQT 2023 is to provide international cooperation and exchange platform for experts, scholars and industry representatives related to the conference to share research results, discuss existing problems and explore cutting edge technologies

Author : Elisa Bertino
Publisher : Springer Science & Business Media
Page : 390 pages
File Size : 38,32 MB
Release : 1996-09-16
Category : Business & Economics
ISBN : 9783540617709

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This book constitutes the refereed proceedings of the 4th European Symposium on Research in Computer Security, ESORICS '96, held in Rome, Italy, in September 1996 in conjunction with the 1996 Italian National Computer Conference, AICA '96. The 21 revised full papers presented in the book were carefully selected from 58 submissions. They are organized in sections on electronic commerce, advanced access control models for database systems, distributed systems, security issues for mobile computing, network security, theoretical foundations of security, and secure database architectures.

Author : William Gropp
Publisher : Mit Press
Page : 382 pages
File Size : 32,3 MB
Release : 1999
Category : Computers
ISBN : 9780262571333

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Using MPI is a completely up-to-date version of the authors' 1994 introduction to the core functions of MPI. It adds material onthe new C++ and Fortran 90 bindings for MPI throughout the book. The Message Passing Interface (MPI) specification is widely used for solving significant scientific and engineering problems on parallel computers. There exist more than a dozen implementations on computer platforms ranging from IBM SP-2 supercomputers to clusters of PCs running Windows NT or Linux ("Beowulf" machines). The initial MPI Standard document, MPI-1, was recently updated by the MPI Forum. The new version, MPI-2, contains both significant enhancements to the existing MPI core and new features.Using MPI is a completely up-to-date version of the authors' 1994 introduction to the core functions of MPI. It adds material on the new C++ and Fortran 90 bindings for MPI throughout the book. It contains greater discussion of datatype extents, the most frequently misunderstood feature of MPI-1, as well as material on the new extensions to basic MPI functionality added by the MPI-2 Forum in the area of MPI datatypes and collective operations.Using MPI-2 covers the new extensions to basic MPI. These include parallel I/O, remote memory access operations, and dynamic process management. The volume also includes material on tuning MPI applications for high performance on modern MPI implementations.

Author : Trent Jaeger
Publisher :
Page : 354 pages
File Size : 43,42 MB
Release : 1997
Category : Application software
ISBN :

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Abstract: "We present a system for managing the execution of downloaded executable content according to flexibly-defined security policies. Downloaded executable content are messages downloaded from remote hosts that contain executables that are run on the downloading principal's machine upon receipt. Since executables run by downloading principals have their full protection domain by default, executable content must be controlled to prevent unauthorized access to the downloading principals' resources. Current systems attempt to control content using a fixed security policy designed for standalone content, but these policies are inappropriate for several applications. For example, current content loading policies do not account for the fact that content from multiple hosts may be combined into one application. In this paper, we describe a downloaded content execution system that can enforce a variety of security policies covering content download, content protection domain derivation, and content authorization. This system enables privileged principals to define the decisions that less privileged principals are allowed to make. For example, system administrators can define legitimate authentication policies for applications, and application developers can define when the downloading principal's rights can be delegated to other application participants (within limits set by system administrators). We show how policies for collaborative applications can be defined and enforced. Also, we describe and compare three implementations of the system."