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The collation of large electronic databases of scienti?c and commercial infor- tion has led to a dramatic growth of interest in methods for discovering struc- res in such databases. These methods often go under the general name of data mining. One important subdiscipline within data mining is concerned with the identi?cation and detection of anomalous, interesting, unusual, or valuable - cords or groups of records, which we call patterns. Familiar examples are the detection of fraud in credit-card transactions, of particular coincident purchases in supermarket transactions, of important nucleotide sequences in gene sequence analysis, and of characteristic traces in EEG records. Tools for the...
William J. Bolton's Civil War journal is especially valuable since he served throughout most of the Civil War, steadily rising through the ranks from captain to colonel with the 51st Pennsylvania. Bolton's commander throughout most of the war was John F. Hartranft, an influential figure who later became governor of Pennsylvania. William J. Bolton was lucky to have his brother John serving in the same unit, so he could draw on his recollections for the two periods when he himself was out of action due to wounds.The 51st Pennsylvania was largely drawn from Norristown, Pennsylvania, a prosperous county seat. The 51st served throughout the war in the IX Corps under Ambrose Burnside, and thus was...
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