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Time-Slicing of Movement Data for Ef...

Edens, Jared M.

Time-Slicing of Movement Data for Efficient Trajectory Clustering.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Time-Slicing of Movement Data for Efficient Trajectory Clustering.
作者:	Edens, Jared M.
面頁冊數:	46 p.
附註:	Source: Masters Abstracts International, Volume: 53-03.
附註:	Adviser: Dennis Bouvier.
Contained By:	Masters Abstracts International53-03(E).
標題:	Information science.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1560760
ISBN:	9781321045154

Time-Slicing of Movement Data for Efficient Trajectory Clustering.
Edens, Jared M.

Time-Slicing of Movement Data for Efficient Trajectory Clustering. - 46 p.

Source: Masters Abstracts International, Volume: 53-03.

Thesis (M.S.)--Southern Illinois University at Edwardsville, 2014.

This item must not be sold to any third party vendors.

Spatio-temporal research frequently results in analyzing large sets of data (i.e., a data set larger than will reside in common PC main memory). Currently, many analytical techniques used to analyze large data sets begin by sampling the data such that it can all reside in main memory. Depending upon the research question posed, information can be lost when outliers are discarded. For example, if the focus of the analysis is on clusters of automobiles, the outliers may not be represented in the sampled dataset. The purpose of this study is to use similarity measures to detect anomalies. The clustering algorithm that is used in this thesis research is DBSCAN. Synthetic data is generated and then analyzed to evaluate the effectiveness of detecting anomalies using similarity measures. Results from this study support the hypothesis, "If similarity measures can be developed, then DBSCAN can be used to find anomalies in trajectory data using time slices." Synthetic data is analyzed using DBSCAN to address the research question -"Can DBSCAN be used to find anomalies in trajectory data using time slices?".

ISBN: 9781321045154Subjects--Topical Terms:

190425
Information science.

Time-Slicing of Movement Data for Efficient Trajectory Clustering.
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