Derived prices are not provided by exchanges. They are derived by market makers in CFD OTC market and hence prices may not be accurate and may differ from the actual market price, meaning prices ...

Currently, the discussion about such methods is limited. This paper proposes and evaluates a user-friendly Decision Graph and Matrix Visualization method that combines network-based and matrix-based ...

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Abstract: Opinion mining has gained increasing importance to draw insights ... usage of emojis can contribute to the automated detection of sentiment polarity of text messages with focus on Twitter ...