This link has been bookmarked by 37 people . It was first bookmarked on 05 Nov 2007, by Mark Berthelemy.
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16 Apr 12
Clint LalondeInformation is semantically relevant only if it is meaningful to the person receiving it (indeed, arguably, it must be semantically relevant to be considered information at all; if it is not meaningful, then it is just static or noise).
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06 Nov 10
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12 Dec 09
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The presumption in the design of most networks is that the value of the network increases with the number of nodes in the network.
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that the value of the network is increased the more connections a person has to the network.
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Each connection produces value to the person.
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personal network effect. In essence, it is the assertion that, for any person at any given time, a certain finite number of connections to other members of the network produces maximal value. Fewer connections, and important sources of information may be missing. More connections, and the additional information received begins to detract from the value of the network.
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How can we structure the network in such a way as to maximize the maximal value? I have suggested four criteria: diversity, autonomy, openness, and connectedness
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networks that are more diverse - in which each individual has a different set of connections, for example - produce a greater maximal value than networks that are not.
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14 Oct 09
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04 Jan 09
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27 Aug 08
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05 Jun 08
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26 Mar 08
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17 Mar 08
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06 Mar 08
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10 Jan 08
Sheryl A. McCoyfour criteria: diversity, autonomy, openness, and connectedness (or interactivity).
blogging culture socialnetworking networks web2.0 networkeffects analysis technology attentioneconomy education semantics
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02 Jan 08
John SchinkerStephen Downes explores the optimum size for personal learning networks
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25 Nov 07
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21 Nov 07
Michel Bauwensreally a must read: there is a maximum number of connections, beyond which the network actually decreases in value
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Quentin D'SouzaThe presumption in the design of most networks is that the value of the network increases with the number of nodes in the network.
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20 Nov 07
Howard RheingoldFor example, networks that are more diverse - in which each individual has a different set of connections, for example - produce a greater maximal value than networks that are not.
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It is therefore tempting to suggest that a similar sort of thing holds for members of the network, that the value of the network is increased the more connections a person has to the network. This isn't the case.
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value is derived from semantic relevance. Information is semantically relevant only if it is meaningful to the person receiving it (indeed, arguably, it must be semantically relevant to be considered information at all; if it is not meaningful, then it is just static or noise).
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- new to the receiver (cf. Fred Dretske Knowledge and the Flow of Information)
- salient to the receiver (there are different types of salience: perceptual salience, rule salience, semiotic salience, etc)
- timely, that is, the information arrives at an appropriate time (before the event it advertises, for example) - this does not mean 'soonest' or 'right away'
- utile, that is, whether it can be used, whether it is actionable
- cognate, that is, whether it can be understood by the receiver
- true, that is, the information is consistent with the belief set of the receiver
- trusted, that is, comes from a reliable source
- contiguous, that is, whether the information is flowing fast enough, or as a sufficiently coherent body
Semantic relevance is the result of a combination of factors (which may vary with time and with the individual), according to whether the information is:
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This is the personal network effect. In essence, it is the assertion that, for any person at any given time, a certain finite number of connections to other members of the network produces maximal value. Fewer connections, and important sources of information may be missing. More connections, and the additional information received begins to detract from the value of the network.
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when designing network applications, it is important to build in constraints that allow people to limit the number of connections they have. This is why the opt-in networks such as Facebook produce more value per message than open networks such as email. Imagine what Twitter would be like is anyone could send you a message! The value in Twitter lies in the user being able to restrict incoming messages to a certain set of friends.
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16 Nov 07
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14 Nov 07
Will RichardsonStephen Downes great description of what makes personal networks valuable.
networks personal_networks learning social_network networkeffects
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13 Nov 07
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"Kids today. They have no sense of shame. They have no sense of privacy. They are show-offs, fame whores, pornographic little loons who post their diaries, their phone numbers, their stupid poetry—for God’s sake, their dirty photos!—online. They have virtual friends instead of real ones. They talk in illiterate instant messages. They are interested only in attention—and yet they have zero attention span, flitting like hummingbirds from one virtual stage to another....."
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12 Nov 07
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11 Nov 07
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06 Nov 07
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05 Nov 07
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