T.1 What is the most contributive layer(s) for point a in the aggregation?

Point a is marked in both systems. Examples for levels of contribution are also given.

Benchmark

PieceStack

Example for contribution levels

If a bump appears at a point, then the layers with remarkable peaks have significant positive contribution.
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T.2 What are the types of contributions of every layer at point a in the aggregation?

Point a is marked in both systems. Examples for types of significances are also given.

Benchmark

PieceStack

Example for contribution types

For a dent, remarkable bumps and tents are defined as significant negative and postive respectively, and small local extreme values have trivial effects.
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T.3 For point a and b, which layers contribute similarly / differently to them?

Point a and b are marked in both systems. Examples for contribution similarities / differences are also given.

Benchmark

PieceStack

Example for contribution similarities

A layer's contributions to two time points are similar if they are both positive or negative, and are different otherwise.
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T.4 Which layer(s) contributes the most to the aggregation on the whole time period?
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T.5 What layer(s) is similar to layer a at least in some time intervals?

Layer a is marked in both systems. Examples for layer similarities are given.

Benchmark

PieceStack

Example for layer similarities

Layer b is similar to layer a in the first half (yellow interval), while layer c is similar to layer a in the second half (orange interval).
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Benchmark System

PieceStack System