Analyzing Time Interval Data : Introducing an Information by Philipp Meisen PDF

By Philipp Meisen

ISBN-10: 3658157275

ISBN-13: 9783658157272

ISBN-10: 3658157283

ISBN-13: 9783658157289

Philipp Meisen introduces a version, a question language, and a similarity degree permitting clients to investigate time period information. The brought instruments are mixed to layout and notice a data procedure. The awarded procedure is able to acting analytical projects (avoiding any kind of summarizability problems), delivering insights, and visualizing effects processing hundreds of thousands of durations inside milliseconds utilizing an intuitive SQL-based question language. the guts of the answer is predicated on a number of bitmap-based indexes, which permit the process to deal with large quantities of time period data. 

Show description

Read or Download Analyzing Time Interval Data : Introducing an Information System for Time Interval Data Analysis PDF

Similar information theory books

Matrix Perturbation Theory by G. W. Stewart PDF

This ebook is a entire survey of matrix perturbation conception, a subject matter of curiosity to numerical analysts, statisticians, actual scientists, and engineers. specifically, the authors hide perturbation conception of linear platforms and least sq. difficulties, the eignevalue challenge, and the generalized eignevalue challenge as wellas a whole remedy of vector and matrix norms, together with the idea of unitary invariant norms.

Download e-book for iPad: Computer Intrusion Detection and Network Monitoring: A by David J. Marchette

Within the fall of 1999, i used to be requested to coach a path on machine intrusion detection for the dept of Mathematical Sciences of The Johns Hopkins college. That path was once the genesis of this ebook. I were operating within the box for a number of years on the Naval floor struggle middle, in Dahlgren, Virginia, less than the auspices of the SHADOW application, with a few investment by way of the workplace of Naval examine.

Allen B. Tucker's Computer Science Handbook, Second Edition PDF

When you consider how a long way and speedy desktop technology has advanced lately, it is not demanding to finish seven-year outdated instruction manual may perhaps fall a bit wanting the type of reference modern machine scientists, software program engineers, and IT pros desire. With a broadened scope, extra emphasis on utilized computing, and greater than 70 chapters both new or considerably revised, the pc technological know-how instruction manual, moment version is precisely the type of reference you would like.

Treatise on Analysis, Vol. III by Jean. Dieudonne PDF

This quantity, the 8th out of 9, keeps the interpretation of "Treatise on research" via the French writer and mathematician, Jean Dieudonne. the writer indicates how, for a voluntary constrained classification of linear partial differential equations, using Lax/Maslov operators and pseudodifferential operators, mixed with the spectral concept of operators in Hilbert areas, ends up in strategies which are even more specific than ideas arrived at via "a priori" inequalities, that are dead functions.

Extra resources for Analyzing Time Interval Data : Introducing an Information System for Time Interval Data Analysis

Sample text

In addition, the needed resources property is of special interest regarding aggregation. 4, this property can lead to summarizability problems if not aggregated correctly (Lenz, Shoshani 1997; Song et al. 2001; Mazón et al. 2008). , summarizability is not given). Within the next sections, the introduced examples are used to exemplify time interval data aggregation and are used to motivate the usage and exemplify the impact of temporal models, concepts and operators. 2 Time Interval Data Aggregation Data aggregation is the predominant operation in the field of data analysis (Zhang et al.

7: The item property using a discrete (left) and continuous (right) temporal model. Within the discrete chart, the diamonds mark the value of the item property and the triangles illustrate the indivisible delta between the previous and the current time point. In this example, the information provided by the continuous model is too precise. , if interpolation is used) it may even be invalid6. From an analytical point of view, one may argue that: ‘as long as the granularity of a discrete time-axis is selected correctly, the discrete temporal model is at least as good as the continuous one’.

Nevertheless, from an information system point of view the process is to generic and wide. Discussions during the different workshops have shown that from an analyst point of view several steps should be redefined or narrowed. f. feature request PD01). 17 illustrates the time interval data analysis process based on the results of the workshops. The figure differentiates between steps which should be supported by an information system (colored boxes) and steps performed by other systems, an analyst or a user (white boxes).

Download PDF sample

Analyzing Time Interval Data : Introducing an Information System for Time Interval Data Analysis by Philipp Meisen


by John
4.3

Rated 4.96 of 5 – based on 22 votes