Class information for:
Level 1: SAFETY INSTRUMENTED SYSTEM//IEC 61508//PROBABILITY OF FAILURE ON DEMAND

Basic class information

Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes

The table includes all classes above and classes immediately below the current class.



Cluster id Level Cluster label #P
12 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE 1181119
524 3       IEEE TRANSACTIONS ON RELIABILITY//RELIABILITY ENGINEERING & SYSTEM SAFETY//MICROELECTRONICS AND RELIABILITY 21007
983 2             RELIABILITY ENGINEERING & SYSTEM SAFETY//IEEE TRANSACTIONS ON RELIABILITY//PROCESS SAFETY PROGRESS 10877
18932 1                   SAFETY INSTRUMENTED SYSTEM//IEC 61508//PROBABILITY OF FAILURE ON DEMAND 553

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SAFETY INSTRUMENTED SYSTEM authKW 1798705 9% 66% 48
2 IEC 61508 authKW 937898 4% 69% 24
3 PROBABILITY OF FAILURE ON DEMAND authKW 791292 3% 73% 19
4 SAFETY INTEGRITY LEVEL authKW 717798 4% 55% 23
5 LOPA authKW 633218 4% 56% 20
6 TECHNICAL SPECIFICATIONS authKW 288510 2% 56% 9
7 RELIABILITY ENGINEERING & SYSTEM SAFETY journal 280928 26% 3% 146
8 COMMON CAUSE FAILURE authKW 253027 4% 20% 22
9 PFDAVG authKW 237462 1% 83% 5
10 SAFETY INTEGRITY LEVEL SIL authKW 232708 1% 58% 7

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Industrial 16617 30% 0% 166
2 Operations Research & Management Science 9884 30% 0% 168
3 Nuclear Science & Technology 1862 17% 0% 96
4 Engineering, Chemical 1717 24% 0% 133
5 Automation & Control Systems 666 8% 0% 42
6 Engineering, General 587 8% 0% 46
7 Engineering, Ocean 351 2% 0% 12
8 Computer Science, Hardware & Architecture 314 5% 0% 25
9 Computer Science, Software Engineering 203 5% 0% 27
10 Engineering, Petroleum 99 1% 0% 8

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PREMIER CONSULTING ENGN 227965 1% 100% 4
2 PROD QUAL ENGN 148680 4% 12% 21
3 INTEGRATED SAFETY ASSESSMENT TEAM 121406 1% 30% 7
4 RECH LR AUTOMAT 113983 0% 100% 2
5 IC HUMAN TORS 113979 1% 50% 4
6 AIRBORNE MISS SYST BRANCH 56991 0% 100% 1
7 BRANCHE ENERGIE 56991 0% 100% 1
8 CHEM RISK MANAGEMENT GRP 56991 0% 100% 1
9 CONTROL RIMENTAT 56991 0% 100% 1
10 CPH 3381 56991 0% 100% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 RELIABILITY ENGINEERING & SYSTEM SAFETY 280928 26% 3% 146
2 PROCESS SAFETY PROGRESS 198995 10% 6% 57
3 JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES 36959 7% 2% 40
4 ISA TRANSACTIONS 10244 3% 1% 19
5 CHEMICAL ENGINEERING PROGRESS 9137 3% 1% 18
6 NUCLEAR ENGINEERING AND DESIGN 9018 7% 0% 39
7 COMPUTING & CONTROL ENGINEERING JOURNAL 7672 1% 2% 6
8 IEEE TRANSACTIONS ON RELIABILITY 7379 4% 1% 20
9 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART O-JOURNAL OF RISK AND RELIABILITY 6985 1% 2% 7
10 ANNALS OF NUCLEAR ENERGY 4184 4% 0% 21

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SAFETY INSTRUMENTED SYSTEM 1798705 9% 66% 48 Search SAFETY+INSTRUMENTED+SYSTEM Search SAFETY+INSTRUMENTED+SYSTEM
2 IEC 61508 937898 4% 69% 24 Search IEC+61508 Search IEC+61508
3 PROBABILITY OF FAILURE ON DEMAND 791292 3% 73% 19 Search PROBABILITY+OF+FAILURE+ON+DEMAND Search PROBABILITY+OF+FAILURE+ON+DEMAND
4 SAFETY INTEGRITY LEVEL 717798 4% 55% 23 Search SAFETY+INTEGRITY+LEVEL Search SAFETY+INTEGRITY+LEVEL
5 LOPA 633218 4% 56% 20 Search LOPA Search LOPA
6 TECHNICAL SPECIFICATIONS 288510 2% 56% 9 Search TECHNICAL+SPECIFICATIONS Search TECHNICAL+SPECIFICATIONS
7 COMMON CAUSE FAILURE 253027 4% 20% 22 Search COMMON+CAUSE+FAILURE Search COMMON+CAUSE+FAILURE
8 PFDAVG 237462 1% 83% 5 Search PFDAVG Search PFDAVG
9 SAFETY INTEGRITY LEVEL SIL 232708 1% 58% 7 Search SAFETY+INTEGRITY+LEVEL+SIL Search SAFETY+INTEGRITY+LEVEL+SIL
10 ALLOWED OUTAGE TIMES 227965 1% 100% 4 Search ALLOWED+OUTAGE+TIMES Search ALLOWED+OUTAGE+TIMES

Core articles

The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1



rank cluster_id2 link
1 29106 RISK BASED MAINTENANCE//RISK BASED INSPECTION//EUROPEAN CLEARINGHOUSE OPERAT EXPERIENCE FEEDBACK
2 11081 DYNAMIC FAULT TREE//FAULT TREE//PHASED MISSION SYSTEM
3 19598 COMMON CAUSE FAILURE//RELIABILITY ENGINEERING & SYSTEM SAFETY//ALPHA FACTOR MODEL
4 17221 PROCESS SAFETY PROGRESS//INHERENT SAFETY//PROCESS SAFETY MANAGEMENT
5 6196 MULTI STATE SYSTEM//RELIABILITY OPTIMIZATION//REDUNDANCY ALLOCATION PROBLEM
6 6709 DOMINO EFFECT//JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES//BLEVE
7 1509 MINIMAL REPAIR//PREVENTIVE MAINTENANCE//GEOMETRIC PROCESS
8 34354 CANDU TECHNOL//RD 14M//CALANDRIA TUBE
9 19005 HAZOP//RECURSIVE OPERABILITY ANALYSIS//BATCH HAZOP
10 21322 GENERATOR MAINTENANCE SCHEDULING//MAINTENANCE SCHEDULING//GENERATION MAINTENANCE SCHEDULING

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