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A package redirection scam is a form of e-commerce fraud, where a malicious actor manipulates a shipping label, to trick the mail carrier into delivering the package to the wrong address. This is usually done through product returns to make the merchant believe that they mishandled the return package, and thus provide a refund without the item ...
A checksum of a message is a modular arithmetic sum of message code words of a fixed word length (e.g., byte values). The sum may be negated by means of a ones'-complement operation prior to transmission to detect unintentional all-zero messages. Checksum schemes include parity bits, check digits, and longitudinal redundancy checks.
A bounce message or just "bounce" is an automated message from an email system, informing the sender of a previous message that the message has not been delivered (or some other delivery problem occurred). The original message is said to have "bounced".
A short shipment describes the absence, non-delivery, or incomplete fulfillment of cargo on a shipping list.Conversely, an over shipment describes a surplus of cargo. Short shipment and over shipment can occur for a number of reasons and can refer to an actual incorrect shipment or to a report by the recipient that disputes shipping re
A practical application is an experiment in which one measures current, I, and voltage, V, on a resistor in order to determine the resistance, R, using Ohm's law, R = V / I. Given the measured variables with uncertainties, I ± σ I and V ± σ V, and neglecting their possible correlation, the uncertainty in the computed quantity, σ R, is:
The idea of fuzzy checksum was developed for detection of email spam by building up cooperative databases from multiple ISPs of email suspected to be spam. The content of such spam may often vary in its details, which would render normal checksumming ineffective.
It typically has a 'ship-to' address, a 'bill-to' address, and a list of product numbers (usually a UPC) and quantities. Another example is the set of messages between sellers and buyers, such as request for quotation (RFQ), bid in response to RFQ, purchase order, purchase order acknowledgement, shipping notice, receiving advice, invoice, and ...
Linear errors-in-variables models were studied first, probably because linear models were so widely used and they are easier than non-linear ones. Unlike standard least squares regression (OLS), extending errors in variables regression (EiV) from the simple to the multivariable case is not straightforward, unless one treats all variables in the same way i.e. assume equal reliability.