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Interlaced log analysis method for constructing workflow of Internet of Things

An analysis method and workflow technology, applied in the computer field, can solve problems such as context loss, model aging, noise, etc., and achieve the effect of avoiding a large amount of resource consumption and wide applicability

Pending Publication Date: 2021-07-27
NANKAI UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Aiming at the technical problems existing in the prior art, the present invention provides an interleaved log analysis method for constructing the workflow of the Internet of Things, which avoids the use of identification information in the log when constructing the workflow model in the interleaved log, and has wide applicability. At the same time, the context loss and noise problems caused by log interleaving are solved
In addition, updating the model through the micro-iterative update algorithm solves the problem of model aging

Method used

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  • Interlaced log analysis method for constructing workflow of Internet of Things
  • Interlaced log analysis method for constructing workflow of Internet of Things
  • Interlaced log analysis method for constructing workflow of Internet of Things

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Embodiment Construction

[0029] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0030] Embodiments of the present invention provide an interleaved log analysis method for constructing an Internet of Things workflow, such as figure 2 As shown, it includes the following steps:

[0031] Step 1: In the log file, a window of length N=3 is set after each log entry, and the window covers the adjacent 3 subsequent log entries behind the log entry;

[0032] When a window is used to find the true successor of the current template, the remaining entries in the window are not related to the current template. The remaining log entries are noise to the preceding log entries, although they may be other execution paths.

[0033] image 3 Probability densities of true successor-dependent values ​​and noisy successor-depen...

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Abstract

The invention provides an interlaced log analysis method for constructing a workflow of the Internet of Things. The method comprises the following steps: in a log file, arranging a window with the length of N behind each log entry, and the window covering adjacent N subsequent log entries behind the log entry, wherein the N value of the window is manually determined; calculating a dependency value between the preceding log entry and each succeeding log entry in the succeeding window; and setting a filtering threshold value, and if the joint dependence value is greater than a filtering threshold value, determining that the corresponding subsequent log entry is a real subsequent entry of the previous log entry. According to the method, when a workflow model is constructed in interlaced logs, identification information in the logs is prevented from being used, the method has wide applicability, and meanwhile the problems of context loss and noise caused by log interlacing are solved.

Description

technical field [0001] The invention belongs to the field of computers, and in particular relates to an interleaved log analysis method for constructing an Internet of Things workflow. Background technique [0002] Currently, smart IoT system architectures are becoming increasingly complex, comprising thousands of device components and serving multiple users simultaneously. For administrators, obtaining system operation information from logs and knowing the system operation status is an important way for system maintenance. However, as the scale and complexity of IoT systems increase, the number of logs generated in a day has reached terabytes, and manual processing of these logs will become impossible. Workflow models mined from system logs can be used for system maintenance, helping administrators understand the system health and monitor the correct operation of the system. However, due to imperfect system documentation and specifications, the complete workflow of the sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/30G06F16/18
CPCG06F16/1815G06F11/3065
Inventor 靳宗明卢冶谢学说简兆龙李涛
Owner NANKAI UNIV
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