SPPAM - Statistical PreProcessing AlgorithM

Details SPPAM - Statistical PreProcessing AlgorithM SPPAM - Statistical PreProcessing AlgorithM

2011-03-11

arxiv.org/abs/1103.2342v1

Computer Science

Artificial Intelligence

Submited to IJCAI11 conference on January 25, 2011

Scientific paper

Most machine learning tools work with a single table where each row is an instance and each column is an attribute. Each cell of the table contains an attribute value for an instance. This representation prevents one important form of learning, which is, classification based on groups of correlated records, such as multiple exams of a single patient, internet customer preferences, weather forecast or prediction of sea conditions for a given day. To some extent, relational learning methods, such as inductive logic programming, can capture this correlation through the use of intensional predicates added to the background knowledge. In this work, we propose SPPAM, an algorithm that aggregates past observations in one single record. We show that applying SPPAM to the original correlated data, before the learning task, can produce classifiers that are better than the ones trained using all records.

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