Download Collaborative Computing: Networking, Applications and by Elisa Bertino, James Joshi PDF

By Elisa Bertino, James Joshi

This publication constitutes the complaints of the 4th convention CollaborateCom 2008 in Orlando, Florida and displays the study ends up in collaborative computing networks, platforms, and applications.

The 18 invited papers and forty-one complete papers exhibit contemporary advances in lots of computing fields, together with multi-core architectures, 3G/4G instant networks, internet 2.0 applied sciences, computing clouds, and software program as a service.

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Read or Download Collaborative Computing: Networking, Applications and Worksharing: 4th International Conference, CollaborateCom 2008, Orlando, FL, USA, November ... and Telecommunications Engineering) PDF

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Extra info for Collaborative Computing: Networking, Applications and Worksharing: 4th International Conference, CollaborateCom 2008, Orlando, FL, USA, November ... and Telecommunications Engineering)

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1 System Monitoring and Filtering Module Similar to other honey client solutions, a key requirement for the Web canary is a reliable and comprehensive monitor for file system and process creation events to detect potentially malicious behavior. We prefer a kernel-level monitor, because sufficient context is available in the kernel for detecting malicious websites and it is more difficult to subvert. Also, the monitor module should be able to filter out the normal behaviors of the Web browser. 2 URL Collecting Module Once an unauthorized event is detected, we attempt to associate it with a particular website or URL.

Status predicates of group situation based RBAC Events Evaluation Domains Predicates Semantics P: set of permissions, R: set of role, U: set of users, C: set of capabilities, Q: set of QoS parameters, X: set of user context, S: set of group situation, r R, p P, u U, c C, q Q, x X, s S ∈ ∈ ∈ ⊂ ⊂ ⊂ ∈ Role Enabling User-Role Mapping Role-Permission Assignment Run-Time Events enabled (r, s) R×S r is enabled in s u_mapped (u, r, s) U×R×S u is mapped to r in s u_mapped (u, r, c, s) U×R×C×S u_ mapped (u,r,c,x,s) U×R×C×X×S u_ mapped (u,r,c,x,q,s) U×R×C×X×Q×S p_assigned (p, r, s) P×R×S p is assigned to r in s can_activate (u,r,s) U×R×S u can activate r in s can_acquire (u, p, s) r_can_acquire (u,p,r,s) U×P×S U×P×R×S u can acquire p in s u can acquire p through r in s can_be_acquired (p,r,s) P×R×S p can be acquired through r in s u is mapped to r with c in s (c is a sub-set of C) u is mapped to r with c and x in s (x is a sub-set of X) u is mapped to r with c, x, and q in s (q is a sub-set of Q) acquires (u,p,t) U×P×T u acquires p in s r_acquires (u,p,r,s) U×P×R×S u acquires p through r in s interaction u1 own action u2 u3 cooperation 8VHUUROHFRQVWUDLQWV user-role mapping FDSDELOLW\4R6 FRQWH[WEDVHG r1 r2 role-permission assignment r3 5ROHSHUPLVVLRQ FRQVWUDLQWV JURXSVLWXDWLRQ EDVHG p1 p2 p3 p4 p5 ui user ri role pi permission Fig.

The Fig. 3 shows the average time and the standard deviation. The black bar shows the delay for loading the Web page from a native IE 6 browser running on the host. The gray bar shows the delay for loading a Web page from the Web canary browser. The unit is sec. htm. 5 sec. Table 2. 7 32 J. Wang, A. Ghosh, and Y. Huang Table 2 shows performance results in starting the Web canary from a cold start and a warm start and similar performance measures for starting the browser natively on the host OS.

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