Class information for:
Level 1: DE BRUIJN SEQUENCE//UNIVERSAL CYCLES//NONLINEAR FEEDBACK SHIFT REGISTERS

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
6 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1698077
443 3       MATCH-COMMUNICATIONS IN MATHEMATICAL AND IN COMPUTER CHEMISTRY//JOURNAL OF CHEMICAL INFORMATION AND COMPUTER SCIENCES//QSAR 27422
3270 2             DE BRUIJN SEQUENCE//HASSE DIAGRAM//GRAY CODE 2045
27555 1                   DE BRUIJN SEQUENCE//UNIVERSAL CYCLES//NONLINEAR FEEDBACK SHIFT REGISTERS 246

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DE BRUIJN SEQUENCE authKW 2928354 16% 57% 40
2 UNIVERSAL CYCLES authKW 2049864 8% 80% 20
3 NONLINEAR FEEDBACK SHIFT REGISTERS authKW 1130950 7% 55% 16
4 NFSR authKW 576524 2% 75% 6
5 FAMILIES OF NFSR SEQUENCES authKW 384351 1% 100% 3
6 FORD SEQUENCE authKW 384351 1% 100% 3
7 K RADIUS SEQUENCES authKW 384351 1% 100% 3
8 WINDOW PROPERTY authKW 384351 1% 100% 3
9 WINDOW SEQUENCE authKW 288262 1% 75% 3
10 APERIODIC PERFECT MAP authKW 256234 1% 100% 2

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Mathematics 1554 35% 0% 86
2 Computer Science, Theory & Methods 950 17% 0% 43
3 Computer Science, Information Systems 812 15% 0% 38
4 Mathematics, Applied 698 22% 0% 54
5 Engineering, Electrical & Electronic 573 30% 0% 73
6 Computer Science, Hardware & Architecture 195 5% 0% 13
7 Instruments & Instrumentation 120 8% 0% 19
8 Logic 70 1% 0% 3
9 COMPUTER APPLICATIONS & CYBERNETICS 47 0% 0% 1
10 Computer Science, Software Engineering 26 3% 0% 7

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 STATE MATH ENGN ADV COMP 139250 2% 22% 5
2 5 1 6 128117 0% 100% 1
3 CNRSUMR 2071 102491 1% 40% 2
4 UMR 2071 MODELAMIENTO MATEMAT 102491 1% 40% 2
5 MATH COMP SCI INFORMAT SYST 85409 1% 33% 2
6 DIGITAL INFORMAT TRANSMISS 3 64058 0% 50% 1
7 ECS ICT KTH 64058 0% 50% 1
8 NAT COMP 46585 1% 18% 2
9 CIENCIAS FIS MATEMAT INGN MATEMAT 32028 0% 25% 1
10 GEN COMP SCI 32028 0% 25% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 DISCRETE MATHEMATICS 18117 17% 0% 41
2 JOURNAL OF COMBINATORIAL THEORY SERIES A 9806 7% 0% 16
3 DESIGNS CODES AND CRYPTOGRAPHY 8524 4% 1% 11
4 IEEE TRANSACTIONS ON INFORMATION THEORY 8332 10% 0% 25
5 CRYPTOGRAPHY AND COMMUNICATIONS-DISCRETE-STRUCTURES BOOLEAN FUNCTIONS AND SEQUENCES 6400 1% 2% 3
6 ARS COMBINATORIA 4079 4% 0% 11
7 SIAM JOURNAL ON DISCRETE MATHEMATICS 3870 3% 0% 8
8 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT 1393 4% 0% 10
9 ADVANCES IN APPLIED MATHEMATICS 1380 2% 0% 4
10 ELECTRONIC JOURNAL OF COMBINATORICS 1226 2% 0% 5

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 DE BRUIJN SEQUENCE 2928354 16% 57% 40 Search DE+BRUIJN+SEQUENCE Search DE+BRUIJN+SEQUENCE
2 UNIVERSAL CYCLES 2049864 8% 80% 20 Search UNIVERSAL+CYCLES Search UNIVERSAL+CYCLES
3 NONLINEAR FEEDBACK SHIFT REGISTERS 1130950 7% 55% 16 Search NONLINEAR+FEEDBACK+SHIFT+REGISTERS Search NONLINEAR+FEEDBACK+SHIFT+REGISTERS
4 NFSR 576524 2% 75% 6 Search NFSR Search NFSR
5 FAMILIES OF NFSR SEQUENCES 384351 1% 100% 3 Search FAMILIES+OF+NFSR+SEQUENCES Search FAMILIES+OF+NFSR+SEQUENCES
6 FORD SEQUENCE 384351 1% 100% 3 Search FORD+SEQUENCE Search FORD+SEQUENCE
7 K RADIUS SEQUENCES 384351 1% 100% 3 Search K+RADIUS+SEQUENCES Search K+RADIUS+SEQUENCES
8 WINDOW PROPERTY 384351 1% 100% 3 Search WINDOW+PROPERTY Search WINDOW+PROPERTY
9 WINDOW SEQUENCE 288262 1% 75% 3 Search WINDOW+SEQUENCE Search WINDOW+SEQUENCE
10 APERIODIC PERFECT MAP 256234 1% 100% 2 Search APERIODIC+PERFECT+MAP Search APERIODIC+PERFECT+MAP

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 16631 GRAY CODE//ROTATION DISTANCE//BINARY TREE
2 17189 LINEAR COMPLEXITY//PRIMITIVE SEQUENCE//MULTISEQUENCES
3 23668 RESOLVER//TACHOMETERS//RESOLVER CONVERTER
4 10798 BOOLEAN FUNCTIONS//ALGEBRAIC IMMUNITY//STREAM CIPHER
5 29858 PERMUTATION CODES//PERMUTATION ARRAYS//RANK MODULATION
6 31198 WRITTEN POLE MOTOR//POST ASSEMBLY MAGNETIZATION//MAGNETIC ENCODER
7 35530 OPTICAL MOUSE//OPTICAL MOUSE SENSOR//PG PL ELECT
8 10199 FREQUENCY HOPPING SEQUENCES//ZERO CORRELATION ZONE//LINEAR COMPLEXITY
9 23000 COSTAS ARRAYS//PRIMITIVE ELEMENT//HANSEN MULLEN CONJECTURE
10 31832 C 1 SMOOTH FUNCTION//MORSE SARD THEOREM//GRADIENT RANGE

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