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Table 3 Name and description of a few metrics

From: A data warehouse to support web site automation

Name Description
Length of metadata II Number of words in a metadata field. Extremely large or small values may indicate an inadequate choice of metadata to represent the content
Association between metadata values The confidence level of an association rule XY is an indicator of whether the set of values X makes the set of values Y redundant or not. The higher the value, the more redundant Y is expected to be. This may indicate that implicit practices in the description of content have been developed
Frequency in search Number of metadata values in the web access logs. For instance, the frequency of a search using a given keyword. If such a keyword is often searched, probably it will have a high interpretability
Redundancy of metadata values Conditional probability P(x|y), where x is one metadata value of a content, and y is another one. High values may mean that y makes x redundant. This may indicate that implicit practices in the description of content have been developed