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Methods and systems to tag tokens in log messages

  • US 10,740,211 B2
  • Filed: 11/28/2017
  • Issued: 08/11/2020
  • Est. Priority Date: 11/28/2017
  • Status: Active Grant
First Claim
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1. An automated method stored in one or more data-storage devices and executed using one or more processors of a computer system for tagging tokens and sequences of tokens in log messages generated by an event source, the method comprising:

  • determining tags each event type of a block of untagged log messages is qualified to receive, the block of untagged log messages generated by the event source;

    performing event-type analysis on a log message generated by the event source to identify an event type of the log message;

    determining an event type of the block of untagged log messages that matches the event type of the log message;

    applying a series of tagging operations to tokens or sequences of tokens of the log message to generate a tagged log message, each tagging operation applying a tag to a token or a sequence of tokens of the log message when the event type of the log message matches an event type of the block of untagged log messages that is qualified to receive the tag; and

    storing the tagged log message in a data-storage device.

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