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Displaying results 1 - 3 of 3
  • Monitoring Pharmacy Retail Data for Anomalous Space-Time Clusters

    Content Type: Abstract

    Bio-surveillance systems monitor multiple data streams (over-the-counter (OTC) sales, Emergency Department visits, etc.) to detect both natural disease outbreaks (e.g. influenza) and bio-terrorist attacks (e.g. anthrax re-lease). Many detection… read more
    … (over-the-counter (OTC) sales, Emergency Department visits, etc.) to detect both natural disease outbreaks (e.g. … impressive results under simulated environments, but the com- plex behavior of real-world data and high costs asso- … bio-surveillance system. REFERENCES [1] Wagner MM, Tsui F-C, et al., A national retail data monitor for public …
  • Rapid Processing of Ad-Hoc Queries against Large Sets of Time Series

    Content Type: Abstract

    Time series analysis is very common in syndromic surveillance. Large scale biosurveillance systems typically perform thousands of time series queries per day: for example, monitoring of nationwide over-thecounter (OTC) sales data may require… read more
    … monitoring of nationwide over-thecounter (OTC) sales data may require separate time series analyses on tens of … scans performed over all potential disease clusters) may require millions of distinct queries. Commercial OLAP … of nationwide over-the- counter (OTC) sales data may require separate time series analyses on tens of …
  • A Multivariate Bayesian Scan Statistic

    Content Type: Abstract

    This paper develops a new method for multivariate spatial cluster detection, the ìmultivariate Bayesian scan statisticî (MBSS). MBSS combines information from multiple data streams in a Bayesian framework, enabling faster and more accurate… read more
    … and a set of data streams D = {Dm}. The outbreak types may be either specific ill- nesses (influenza, anthrax, … may include sources such as emergency department (ED) visits, with each stream representing a different chief … Communications in Sta- tistics: Theory and Methods, 1997, 26(6): 1481-1496. [3] Neill DB, Detection of spatial and …