History of "Information" Latin origin:a representation implanted in the mind->idea Language and Coding:hide information in messages and then decode them。莫尔斯电码 Mathematics:Shannon:在channel transmission.工作中，定 义了一个message)所包含的信息量为它在source中出现概率 的log2,单位为’bits'。 Logic and linguistics:communication-oriented sense of information涉及到semantic meaning语义，knowledge知识 Society:information as something that is contained in the message used to inform."information is the tennis ball of communication" 77 History of “Information” ◼ Latin origin: a representation implanted in the mind-> idea ◼ Language and Coding：hide information in messages and then decode them。 莫尔斯电码 ◼ Mathematics: Shannon在channel transmission工作中，定 义了一个message所包含的信息量为它在source中出现概率 的log2 ，单位为’bits’。 ◼ Logic and linguistics：communication-oriented sense of information涉及到semantic meaning语义, knowledge知识 ◼ Society：information as something that is contained in the message used to inform. “information is the tennis ball of communication