Tài liệu Beyond Productivity: Information, Technology, Innovation, and Creativity pdf

... invest-ment in the future.S TANDARDSA review of hardware and software would be incomplete withouttouching on the perennial issue of standards, which can both limit and support creativity. They obviously ... slow adoption of technology, aswell as influence standards-setting tactics.Video and AudioExtensive editing and processing tools exist for time-based media(including video and audio), but ... havebeen used by biologists and other scientists to understand evolution,yielding a new understanding of its pacing and realization. The SantaFe Institute led the development and use of these models,...

... traditional voice network and the new packet-based networks by the media gateway. The call control is handled by a softswitch, and the features and services are handled by an application platform. ... with other gateways and softswitches, and how it should interface with the IP and SS7 networks. At the most basic level, a softswitch must contain call-control features and a signaling interface ... existing PSTN, and off-the-shelf hardware platforms • Reliability—to carrier standards (five 9s of reliability) • Support for multiple signaling and control protocols—including emerging and established...

... redundancy only and is supported with the standard BXM OC-3 and OC-12 front and back cards. APS 1+1 redundancy provides both card and line redundancy. It uses the standard BXM OC-3 and OC-12 front ... Example24-14Command Overview24-16Primary Configuration Commands24-16APS Redundancy24-17Virtual Trunk Commands24-17Virtual Trunk Commands Common to BXM and UXM24-18Virtual Trunk UXM Commands24-19Virtual ... Switching (APS) provides a standards-based line-redundancy for BXM OC-3 and OC-12 cards. The BXM OC-3 and BXM OC-12 cards support the SONET APS 1+1 and APS 1:1 standards for line redundancy....

... each of the10 character classes, about 1700 handwritten samples were collected, and the samplemeans and covariance matrices were computed by standard estimation methods. Thecovariance matrices ... matrix and solve the eigenvector–eigenvalue problem once and for all.One reason is computational: the eigenvector problem is numerically too demandingif the dimensionalitynis large and the ... data compression is necessary for storage, transmission, and feature extraction.PCA is a simple and efficient method. Fig. 6.1 shows 10 handwritten characters thatwere represented as binary32...

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... 9-20Declaring and Initializing Objects 9-22Declaring Objects 9-22Sequential Control: GOTO and NULL Statements3-20 PL/SQL User’s Guide and ReferenceCollections and Records 4-14Collections and RecordsKnowledge ... hereSequential Control: GOTO and NULL StatementsControl Structures 3-15Sequential Control: GOTO and NULL StatementsUnlike the IF and LOOP statements, the GOTO and NULL statements are not crucialto ... LOOP and EXIT Statements3-6 PL/SQL User’s Guide and ReferenceWhen possible, use the ELSIF clause instead of nested IF statements. That way,your code will be easier to read and understand....

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