By Philipp Meisen
Philipp Meisen introduces a version, a question language, and a similarity degree allowing clients to research time period information. The brought instruments are mixed to layout and notice a data method. The provided approach is able to acting analytical projects (avoiding any kind of summarizability problems), supplying insights, and visualizing effects processing hundreds of thousands of durations inside milliseconds utilizing an intuitive SQL-based question language. the center of the answer relies on numerous bitmap-based indexes, which allow the approach to address large quantities of time period data.
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Additional info for Analyzing Time Interval Data : Introducing an Information System for Time Interval Data Analysis
17: The result of the workshops regarding the time interval data analysis process. The process starts with the collection of time interval data from an available and configured source. , load data once into the system to analyze the set). The information system processes the incoming data using defined data integration techniques (step: "Processed Data"). Within the next step, the processed data is cleaned and a valid dataset is received (step: "Clean Dataset"). g. by firing queries or using a provided UI, useful to perform hypothesis testing, validation, or monitoring (step: "Retrieve, Visualize").
The aggregation must be correct considering summarizability. As an analyst, I want to be able to use temporal aggregation methods along the time-axis (must: COUNT STARTED, COUNT FINISHED). , by using a query language). , retrieve all intervals equal to the specified time window). Priority critical high high 32 DA-04 DA-05 DA-06 DA-07 DA-08 2 Time Interval Data Analysis As an analyst, I want to roll-up and drill-down the time dimension. , minutes and seconds). As an analyst, I want to specify dimensions for the different properties associated to the time interval.
Roddick, Mooney (2005) which define a total of 49 relations of which nine are different types of overlaps), others split intervals to generate partial relations (cf. Moerchen (2006a); Moerchen, Fradkin (2010); Peter, Höppner (2010)). Despite the doubts mentioned by Moerchen, this book uses the temporal operators of Allen, if not stated differently. , the distancemeasure used to find similar time interval datasets introduced in section 6 utilizes the coverage ratio or spacing). 5 Temporal Concepts Temporal concepts are used to define semantic categories for arrangements of temporal operators (Moerchen 2009).