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Informationswissenschaft
2 ways to visualize distributions
Informationswissenschaft
4 Ways to analyze distributions
Informationswissenschaft
3 ways to organize collections for IR
Informationswissenschaft
How does indexing work?
Problem:
Index that fits the item is hard to find
Informationswissenschaft
How do term-document incidence matrices work?
Problem:
Matrix for big collections becomes too big
Informationswissenschaft
How does the indexer of the inverted index work?
Informationswissenschaft
Quantitativer Aspekt von Informationen
Übertragungsweise:
Entropie/Informationsgehalt
Syntaktischer Aspekt
Informationswissenschaft
Qualtiativer Aspekt von Informationen
Informationswissenschaft
Unterschied Zeichenmenge/Zeichenvorrat
Zeichenmenge = geordnet = alphabet
Informationswissenschaft
Wahrscheinlichkeit von Zeichen
Wahrscheinlichkeit, dass Zeichen aus Zeichenmenge ausgewählt wird
Informationswissenschaft
Anzahl der Kodierungsmöglichkeiten berechnen
Zustand^Stellen
Informationswissenschaft
Entscheidungsfragen N
=Durschnittliche Anzahl der Ja/Nein Fragen zum bestimmein eines Ereignisses
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