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Feature code is often scattered across a software system. Scattering is not necessarily bad if used with care, as witnessed by systems with highly scattered features that evolved successfully. Feature scattering, often realized with a pre-processor, circumvents limitations of programming languages and software architectures. Unfortunately, little is known about the principles governing scattering in large and long-living software systems.

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Feature code is often scattered across a software system. Scattering is not necessarily bad if used with care, as witnessed by systems with highly scattered features that evolved successfully. Feature scattering, often realized with a pre-processor, circumvents limitations of programming languages and software architectures. Unfortunately, little is known about the principles governing scattering in large and long-living software systems.

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118 Views

This dataset contains the information about 305 shared web hosting providers, their uptime, response time, number of servers and sites for the period of the previous 3 months (08/14/2018 – 11/11/018).

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117 Views

The Geomagnetic field can be used for classifying different landmark locations inside a big building.

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384 Views

The data set provided source code in C on how to compute Collatz dynamics by automata in terms of residue classes. It also includes algorithms implemented by C codes that can output residue classes by inputting reduced dynamics.  The formular for computing a residue class for a given reduced dynamics is as follows:

 

Function $Invrs(\cdot)$. 

$Invrs: c \rightarrow rs$ takes as input \\

$c=O$ or \\

$c=I^{p_1}O^{q_1}I^{p_2}O^{q_2}...I^{p_n}O^{q_n} \in \{I,O\}^{\geq 2},$ $p_i,q_i\in \mathbb{N}^*, i=1,2,...,n, n \in \mathbb{N}^*$\\

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98 Views

Once the three courses for the three learning scenarios - C# OOP programming, Sphero Edu visual programming and VEDILS authoring tool - were taught, the three student groups were asked to indicate using a scale between one and four - to avoid the selection of neutral options - their perception of the clarity and the interest of the exposition (CL and IT indicators), as well as the time spent studying the course contents (ST indicator).

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202 Views

The whole data set will be published after the acceptance of our paper via the same url as shown in the paper.

 

When using PackageRank software to analyze our data set, please do not change the name of the .net files.

 

The .net file has the following format:

Node count: *Vertices count

 

Node List:

    number "node name"

EX:   1    "org.apache.tools.ant.taskdefs.optional.sitraka"

 

Arc List:

node1 node2 weight

EX: 1 2 3

Meaning: from node 1 to node 2 with weight 3

 

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139 Views

This dataset is from the paper "Metamorphic Relations for Enhancing System Understanding and Use" by Zhi Quan Zhou, Liqun Sun, Tsong Yueh Chen, and Dave Towey, accepted for publication in IEEE Transactions on Software Engineering.

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112 Views

We study a reverse problem - given a reduced dynamics or partial dynamics, can we compute a residue class who presents that dynamics.

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82 Views

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