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Since hospital data include temporal trends of clinical symptoms and medical services, we can discover not only knowledge about temporal evolution of disease, but also one about medical practice from hospital information system, which will lead to data-oriented hospital management. This paper proposes temporal data mining process and applied the method to(More)
The characterization of the urinary metabolites of vitamin D(3) in man under physiological conditions was performed using liquid chromatography-tandem mass spectrometry (LC-MS-MS). The urine specimens obtained from healthy volunteers were treated with beta-glucuronidase, purified with disposal solid-phase extraction cartridges, derivatized with a(More)
This paper proposes an active mining process for improvement of quality of clinical process by using service logs in a hospital information system. First, datasets of temporal change of the number of orders are extracted from service logs stored in hospital information system. Then, since datsets of temporal change can be viewed as time-series of a(More)