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We are the independent national regulator for privacy and freedom of information. We promote and uphold your rights to access government-held information and have your personal information protected. Angelene Falk is the Australian Information Commissioner and Privacy Commissioner.

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The Small Arms Survey is an independent research project located at the Graduate Institute of International and Development Studies in Geneva, Switzerland. It provides information on all aspects of small arms and armed violence, as a resource for governments, policy-makers, researchers, and activists, as well as research on small arms issues. The survey monitors national and international initiatives (governmental and non-governmental), and acts as a forum and clearinghouse for the sharing of information. It also disseminates best practice measures and initiatives dealing with small arms issues. SAS's mandate is to look at all aspects of small arms and armed violence. It provides research and analysis by which to support governments to reduce the incidence of armed violence and illicit trafficking through evidence-based analysis. The project's staff includes international experts in security studies, political science, law, international public policy, development studies, economics, conflict resolution, and sociology. The staff works closely with a worldwide network of researchers and partners.

Information can be thought of as the resolution of uncertainty; it is that which answers the question of "what an entity is" and thus defines both its essence and nature of its characteristics. It is associated with data, as data represents values attributed to parameters, and information is data in context and with meaning attached. Information relates also to knowledge, as knowledge signifies understanding of an abstract or concrete concept.In terms of communication, information is expressed either as the content of a message or through direct or indirect observation. That which is perceived can be construed as a message in its own right, and in that sense, information is always conveyed as the content of a message. Information can be encoded into various forms for transmission and interpretation (for example, information may be encoded into a sequence of signs, or transmitted via a signal). It can also be encrypted for safe storage and communication. The uncertainty of an event is measured by its probability of occurrence and is inversely proportional to that. The more uncertain an event, the more information is required to resolve uncertainty of that event. The bit is a typical unit of information, but other units such as the nat may be used. For example, the information encoded in one "fair" coin flip is log2(2/1) = 1 bit, and in two fair coin flips is log2(4/1) = 2 bits. The concept of information has different meanings in different contexts. Thus the concept becomes related to notions of constraint, communication, control, data, form, education, knowledge, meaning, understanding, mental stimuli, pattern, perception, representation, and entropy.


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