Category: Transform

• CollapseTemporalGaps
• DurationSplitting
• EnforceDuration
• EnforceSize
• GaussianKernelSmoothing
• ModuloSampling
• PoisExtraction
• SequentialSplitting
• SizeSplitting
• SpatialGapSplitting
• SpatialSampling
• TemporalGapSplitting
• TemporalSampling
• UniformSampling

CollapseTemporalGaps

Removes empty days by shifting data to fill those empty days.

Input name	Type	Description
startAt	an instant; required	Start date for all traces
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

DurationSplitting

Input name	Type	Description
duration	a duration; required	Maximum duration of each trace
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

EnforceDuration

Longer traces will be truncated, shorter traces will be discarded.

Input name	Type	Description
minDuration	a duration; optional	Minimum duration of a trace
maxDuration	a duration; optional	Maximum duration of a trace
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

EnforceSize

Larger traces will be truncated, smaller traces will be discarded.

Input name	Type	Description
minSize	a 32-bit integer; optional	Minimum number of events in each trace
maxSize	a 32-bit integer; optional	Maximum number of events in each trace
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

GaussianKernelSmoothing

Apply gaussian kernel smoothing on a trace, attenuating the impact of noisy observations.

Input name	Type	Description
omega	a duration; required	Bandwidth
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

ModuloSampling

It will ensure that the final number of events is exactly (+/- 1) the one required, and that events are regularly sampled (i.e., one out of x).

Input name	Type	Description
n	a 32-bit integer; required	Number of events to keep
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

PoisExtraction

Input name	Type	Description
diameter	a distance; required	Clustering maximum diameter
duration	a duration; required	Clustering minimum duration
minPoints	a 32-bit integer; optional; default: 0	Minimum number of times a cluster should appear to consider it
data	a file; required	Input traces dataset

Output name	Type	Description
data	a file	Transformed dataset

SequentialSplitting

Input name	Type	Description
percentBegin	a 32-bit integer; required	Percentage of events at which a trace begins
percentEnd	a 32-bit integer; required	Percentage of events at which a trace ends
complement	a boolean; optional; default: false	Whether to take the complement trace
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

SizeSplitting

Input name	Type	Description
size	a 32-bit integer; required	Maximum number of events allowed in each trace
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

SpatialGapSplitting

Input name	Type	Description
distance	a distance; required	Maximum distance between two consecutive events
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

SpatialSampling

If the distance is less than a given threshold, records will be discarded until the next point that fulfills the minimum distance requirement.

Input name	Type	Description
distance	a distance; required	Minimum distance between two consecutive events
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

TemporalGapSplitting

Input name	Type	Description
duration	a duration; required	Maximum duration between two consecutive events
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

TemporalSampling

If the duration is less than a given threshold, events will be discarded until the next point that fulfills the minimum duration requirement.

Input name	Type	Description
duration	a duration; required	Minimum duration between two consecutive events
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset

UniformSampling

Perform a uniform sampling on traces, keeping each event with a given probability.

Input name	Type	Description
probability	a 64-bit float; required	Probability to keep each event
data	a file; required	Input dataset

Output name	Type	Description
data	a file	Transformed dataset