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Slide 1From Shiyan Public School Slide 2 Slide 3 Short messages should start with a greeting(Dear…) Dear… metion the topic in the first sentence Slide 4 Short messages…

Slide 1INS & ContextSphere | Columbia Univ. - Feb. 25, 2003 | Confidential © 2002 IBM Corporation Probabilistic Validation of Aggregated Data in VANETs Fabio Picconi**,…

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Hashing [email protected] @mikedance What is a hash? â Wikipedia A hash function is used to map digital data of an arbitrary size to digital data of a fixed size,…

Slide 1Email Security 1 Slide 2 email is one of the most widely used and regarded network services currently message contents are not secure may be inspected either in transit…

Slide 1 Slide 2 Using radio to send third party messages. Slide 3 Make efficient use of limited communication resources during a relief operation. Slide 4 Particularly when…

Practical Byzantine Fault Tolerance (The Byzantine Generals Problem) Introduction Malicious attacks and software errors that can cause arbitrary behaviors of faulty nodes…

Getting Started with eChalk eChalk Day 1 Series 1 eChalk Session 1 FOCUSING QUESTIONS After you read this, share with a neighbor… One way you think a school Web site can…

Getting Started with eChalk eChalk Day 1 Series 1 eChalk Session 1 FOCUSING QUESTIONS After you read this, share with a neighbor… One way you think a school Web site can…