Revistes Catalanes amb Accés Obert (RACO)

Methods of Selection for the extraction of weak signals

Cristèle Roux

Resum


We will present a method of extraction of weak signals based on the evolutionary and structural analysis of the semantic fields. This method employs the following tools:

• Matrix of crossovers involving semantic terms which evolve with time,
• Extraction of emergent terms (for posterior normalization, this are last column selections),
• Matrix of concurrence crossing the emergent terms among them,
• Selection of diagonal bars / blocks, on this matrix,
• Extraction of the blocks that represent emergent and coherent concepts.

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