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between the different configurations is at a non-equal rate. In other words, the magnitude of increase
from the Equal dataset to the Double dataset is different from the magnitude of increase from the Double
dataset to the Triple dataset. Figure 17 shows a pie chart that gives the different relative magnitude
of net location identifiers at
X
= 30 for the three different configurations in multi-layer matrix pattern
mobile user data mining.
Single vs. Multi-Layer Matrix
Multi-layer matrix is an extension of single layer matrix. Multi-layer is a combination of single layer
matrix that is closely related to each other in terms of the context of the problem to be solved. However,
unrelated independent multiple single layer matrices are not considered a multi-layer matrix. They are
simply considered as different instances of single layer matrix structures.
Each of the single layer and multi-layer matrix pattern have their benefits. For instance, single
layer matrix pattern is useful for performing exercises that is simple and for single domain problem.
Multi-layer matrix pattern is suitable when the problem to be solved requires multi-domain criteria, for
example, examining the physical location relationships among multiple domains such as food supplies
and mobile phone shops. It can be extended to multiple domains; each layer represents a single domain
that is related to a single problem to be solved.
The comparison among the single layer matrix and multi-layer matrix patterns provides an apprecia-
tion of the different amount of net location identifiers (resolution). The main goal here is to understand
the potential resolution that multiple layer matrix could offer and their huge differences between single
layer and multi-layer matrix. Their main differences can be found by the performance charts in Figure
18 that aim to highlight their differences.
Figure 18. Comparison for equal, double and triple datasets
Multi- vs. Single Layer Matrix for Equal Dataset
Multi- vs. Single Layer Matrix for Double Dataset
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Multi- vs. Single Layer Matrix for Triple Dataset
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