19_Information Management for Digital Business Models an der TU München

Karteikarten und Zusammenfassungen für 19_Information Management for Digital Business Models an der TU München

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Lerne jetzt mit Karteikarten und Zusammenfassungen für den Kurs 19_Information Management for Digital Business Models an der TU München.

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What is Metadata good for ?

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What is information quality?

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What is the Fitness for use regarding information qualtity

Beispielhafte Karteikarten für 19_Information Management for Digital Business Models an der TU München auf StudySmarter:

Define User modeling

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What is reporting ?

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What should information visualization be like? Name 4

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How can we evaluate information?

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What does the Principle of the Hermeneutic Circle say ?

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Name and briefly describe three approaches to valuate information. Describe the value of information from white hat hackers using all three approaches.

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What are the four characteristics of Data Warehouses? Describe them briefly.

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Explain the difference between implicit and explicit user models.

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What is the advantage of models?    

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Beispielhafte Karteikarten für 19_Information Management for Digital Business Models an der TU München auf StudySmarter:

19_Information Management for Digital Business Models

What is Metadata good for ?
Metadata enable the description and detection of information objects, their usage, and their management. There are formal and conctent-related metadata

19_Information Management for Digital Business Models

What is information quality?
It aims to guarantee high information quality and has no general bindig standards of objectives. Quality is defined as ISO norm for quality management, from the point of view of a customer, legar requirements.

19_Information Management for Digital Business Models

What is the Fitness for use regarding information qualtity
he appropriateness for the particular application is crucial for assessing the quality of information

19_Information Management for Digital Business Models

Define User modeling
“User modeling are mechanisms that allow acomputer to adjust to a human in the best possible way. They are used by application systems to adjustproblem solving strategies and dialog behaviors individually to the receiver.” (Mertens/Griese2000)

19_Information Management for Digital Business Models

What is reporting ?
The reporting provides the corporate decision makers with therequired corporate-internal information. The reports are visualizedeither on paper, screens, and, in some cases, on boards andspecifically equipped rooms (“control rooms”)(Mertens/ Griese2000).

19_Information Management for Digital Business Models

What should information visualization be like? Name 4
1. A reporting system should have a unified structure 2. Informationshould be displayed with comparablesinstead of using an isolated representation 3. Reporting systems gain significance by comparing the included information to target figures, historical data, trends, etc. 4. Overviews and detailed views must be separatedclearly 5. Uncommon data patternsmust be highlighted 6. Figures are better than tables

19_Information Management for Digital Business Models

How can we evaluate information?
The usage of information determines the value of information. As part of this context specific and temporal usage, the value of information is influenced by adding, omitting, concretizing, selecting, and aggregating.

19_Information Management for Digital Business Models

What does the Principle of the Hermeneutic Circle say ?
„Hermeneutic means the dimensioning and interpretation of the reality of life in time (past –present –future) (Tschamler1996)

19_Information Management for Digital Business Models

Name and briefly describe three approaches to valuate information. Describe the value of information from white hat hackers using all three approaches.
Normative information value (determined by a comparison between the rational decision with and without additional information acquisition) Realistic information value (Empirically measureable profitdue to the use of information by the decision-maker, Information value equals the value of actions, which were induced by information) Subjective information value (Uncertainty and dynamic, Subjective value is bound to an individual) White hat hacker: Normative Information Value: The information to know how to hack Facebook accounts is unknown somewhere between 0 and infinity, since the hacker can hack a lot of accounts but he doesn't know how much money they have. Realistic Information value: The White Hat Hacker can get 15k $ so this is the realistic value. Subjective information Value: The Value for Facebook is very high, because if the hacker tells the users of facebook a lot of people will leave facebook which costs FB a lot of money

19_Information Management for Digital Business Models

What are the four characteristics of Data Warehouses? Describe them briefly.
Subject-oriented:Oriented towards the issues of the company. Integrated:A data warehouse integrates data from multiple data sources in a uniformly designed system Time-variant:Consideration of a time frame. Therefore, the reference to time is either an explicit or implicit component. Permanent:Once data is in the data warehouse, it will not change. So, historical data in a data warehouse should never be altered or removed.

19_Information Management for Digital Business Models

Explain the difference between implicit and explicit user models.
implicit user models are created by a software based on the users' behaviour. Eplicit user models are defined by the user (e.g. filters)

19_Information Management for Digital Business Models

What is the advantage of models?    
  • they reduce complexity
  • a model is always a model
    • about what 
    • for whom
    • for what purpose

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