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Data Mining Problems in Retail

Highly Scalable

Most of this article represents an overview of the results published by retailers and researchers who built practical decision making and optimization systems combining abstract economic models with data mining methods. The design of the model heavily depends on the problem. Propensity to category expansion. Propensity to churn.

Retail 152
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Expanding the Cloud - Amazon S3 Reduced Redundancy Storage.

All Things Distributed

Werner Vogels weblog on building scalable and robust distributed systems. This new storage option enables customers to reduce their costs by storing non-critical, reproducible data at lower levels of redundancy. Under the covers Amazon S3 is a marvel of distributed systems technologies. All Things Distributed. Comments ().

Storage 71
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Should You Use ClickHouse as a Main Operational Database?

Percona

2006-01-01 ? In a partitioned massively parallel database system, the storage format and sorting algorithm may not be optimized for that operation as we are reading multiple partitions in parallel. ClickHouse is a great massively parallel analytical system. At the same time, it was not originally designed that way.