CA2037011A1 - Arrangement for automated troubleshooting using selective advice and a learning knowledge base - Google Patents

Arrangement for automated troubleshooting using selective advice and a learning knowledge base

Info

Publication number
CA2037011A1
CA2037011A1 CA2037011A CA2037011A CA2037011A1 CA 2037011 A1 CA2037011 A1 CA 2037011A1 CA 2037011 A CA2037011 A CA 2037011A CA 2037011 A CA2037011 A CA 2037011A CA 2037011 A1 CA2037011 A1 CA 2037011A1
Authority
CA
Canada
Prior art keywords
user
troubleshooting
arrangement
advice
knowledge base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2037011A
Other languages
French (fr)
Other versions
CA2037011C (en
Inventor
Yuval Lirov
Swaminathan Ravikumar
On-Ching Yue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2037011A1 publication Critical patent/CA2037011A1/en
Application granted granted Critical
Publication of CA2037011C publication Critical patent/CA2037011C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/2257—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using expert systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N5/00—Computing arrangements using knowledge-based models
    • G06N5/02—Knowledge representation; Symbolic representation
    • G06N5/022—Knowledge engineering; Knowledge acquisition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S706/00—Data processing: artificial intelligence
    • Y10S706/902—Application using ai with detail of the ai system
    • Y10S706/911—Nonmedical diagnostics

Abstract

AN ARRANGEMENT FOR AUTOMATED TROUBLESHOOTING USING
SELECTIVE ADVICE AND A LEARNING KNOWLEDGE BASE
Abstract Troubleshooting expert systems are generally embodied in software for the purpose of solving difficult problems in some narrow domain of expertise. The prior art describes certain mechanics for developing or generating rules. That process is commonly known as the knowledge acquisition process. Having acquired the knowledge, our new troubleshooting arrangement eliminates the prior art separation between the expert system knowledge acquisition process and the expert system utilization process. Our new arrangement also detects and classifies invalid actions or other errors of the user in a manner that allows for the non-human expert system to advise the human user. Our arrangement interactively communicates between a user and a troubleshooting system, generates a learning knowledge base, identifies an object being tested by the user, utilizes the learning knowledge base for troubleshooting the test object, and classifies the test object as faulty or not faulty. Our arrangement structures prior actions of the user as pairs of elements in a multi-branch tree in the learning knowledge base and the compares present actions of the user with the prior actions of the user. A current signal path is generated between a first input and a first output in the system under test. Then, it can be determined whether the test object belongs to the current signal path. Responsive to the comparison of the actions of the user andresponsive to whether the test object belongs to the current path, the skill level of the user can be classified into one of a plurality of skill levels. Responsive to the skill level classification of the user, the kind of troubleshooting advice to be given the user can be classified as to one of a plurality of kinds of troubleshooting advice and thereafter the advice can be communicated to the user. Further, the output of the test object can be measured and a new current signal path can be generated and re-generated for identifying a faulty object in the system under test.
CA002037011A 1990-04-30 1991-02-25 Arrangement for automated troubleshooting using selective advice and a learning knowledge base Expired - Fee Related CA2037011C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US516,411 1990-04-30
US07/516,411 US5107499A (en) 1990-04-30 1990-04-30 Arrangement for automated troubleshooting using selective advice and a learning knowledge base

Publications (2)

Publication Number Publication Date
CA2037011A1 true CA2037011A1 (en) 1991-10-31
CA2037011C CA2037011C (en) 1994-05-31

Family

ID=24055459

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002037011A Expired - Fee Related CA2037011C (en) 1990-04-30 1991-02-25 Arrangement for automated troubleshooting using selective advice and a learning knowledge base

Country Status (5)

Country Link
US (1) US5107499A (en)
EP (1) EP0456378A3 (en)
JP (1) JPH04229328A (en)
KR (1) KR950012221B1 (en)
CA (1) CA2037011C (en)

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Also Published As

Publication number Publication date
US5107499A (en) 1992-04-21
KR950012221B1 (en) 1995-10-16
KR910018908A (en) 1991-11-30
JPH04229328A (en) 1992-08-18
EP0456378A2 (en) 1991-11-13
EP0456378A3 (en) 1992-12-23
CA2037011C (en) 1994-05-31

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