Class information for:
Level 1: PERFECT CODES//COVERING CODES//COVERING RADIUS

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
547 3       DESIGNS CODES AND CRYPTOGRAPHY//JOURNAL OF COMBINATORIAL DESIGNS//FINITE FIELDS AND THEIR APPLICATIONS 18807
1443 2             JOURNAL OF COMBINATORIAL DESIGNS//DISCRETE MATHEMATICS//DISTANCE REGULAR GRAPH 8107
16653 1                   PERFECT CODES//COVERING CODES//COVERING RADIUS 668

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PERFECT CODES authKW 2025775 11% 57% 75
2 COVERING CODES authKW 733944 5% 47% 33
3 COVERING RADIUS authKW 508358 6% 28% 38
4 PERFECT BINARY CODES authKW 382153 1% 90% 9
5 FACTORIZATION OF FINITE ABELIAN GROUPS authKW 362915 1% 77% 10
6 LIMITED MAGNITUDE ERROR authKW 362915 1% 77% 10
7 EXTENDED PERFECT CODES authKW 283077 1% 100% 6
8 Z2Z4 LINEAR CODES authKW 242636 1% 86% 6
9 Q ARY CODES authKW 231176 1% 70% 7
10 FULL RANK TILINGS authKW 188718 1% 100% 4

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Mathematics 6931 44% 0% 296
2 Mathematics, Applied 4869 34% 0% 229
3 Computer Science, Theory & Methods 4646 23% 0% 155
4 Computer Science, Information Systems 4214 21% 0% 141
5 Engineering, Electrical & Electronic 814 22% 0% 149
6 COMPUTER APPLICATIONS & CYBERNETICS 16 0% 0% 1
7 Computer Science, Hardware & Architecture 12 1% 0% 7
8 Computer Science, Interdisciplinary Applications 8 2% 0% 11
9 Statistics & Probability 4 1% 0% 8
10 Computer Science, Cybernetics 0 0% 0% 1

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 FHTW BERLIN 131050 1% 56% 5
2 BROWN SCI 117 94359 0% 100% 2
3 ENGN SCI PHYS MATH 65188 47180 0% 100% 1
4 ERICSSON RADIO 47180 0% 100% 1
5 INTER GENET PROGRAMS 47180 0% 100% 1
6 INTERACT DIGITAL MEDIA PROGRAM OFF 47180 0% 100% 1
7 MANAGEMENT INFORMAT PROC 47180 0% 100% 1
8 SAHKO JA TIETOLIIKENNETEKNIIKAN OSASTO TEKNILLINE 47180 0% 100% 1
9 SOBOLEV MATH 34238 4% 3% 27
10 DISCRETE MATH CHAIR 23589 0% 50% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PROBLEMS OF INFORMATION TRANSMISSION 139881 5% 10% 31
2 DESIGNS CODES AND CRYPTOGRAPHY 90422 9% 3% 59
3 IEEE TRANSACTIONS ON INFORMATION THEORY 85792 20% 1% 132
4 DISCRETE MATHEMATICS 26644 12% 1% 82
5 ADVANCES IN MATHEMATICS OF COMMUNICATIONS 23149 2% 4% 14
6 JOURNAL OF COMBINATORIAL THEORY SERIES A 20359 6% 1% 38
7 JOURNAL OF COMBINATORIAL DESIGNS 19999 3% 2% 18
8 SIAM JOURNAL ON DISCRETE MATHEMATICS 10779 3% 1% 22
9 APPLICABLE ALGEBRA IN ENGINEERING COMMUNICATION AND COMPUTING 6126 1% 1% 9
10 ELECTRONIC JOURNAL OF COMBINATORICS 5862 3% 1% 18

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 PERFECT CODES 2025775 11% 57% 75 Search PERFECT+CODES Search PERFECT+CODES
2 COVERING CODES 733944 5% 47% 33 Search COVERING+CODES Search COVERING+CODES
3 COVERING RADIUS 508358 6% 28% 38 Search COVERING+RADIUS Search COVERING+RADIUS
4 PERFECT BINARY CODES 382153 1% 90% 9 Search PERFECT+BINARY+CODES Search PERFECT+BINARY+CODES
5 FACTORIZATION OF FINITE ABELIAN GROUPS 362915 1% 77% 10 Search FACTORIZATION+OF+FINITE+ABELIAN+GROUPS Search FACTORIZATION+OF+FINITE+ABELIAN+GROUPS
6 LIMITED MAGNITUDE ERROR 362915 1% 77% 10 Search LIMITED+MAGNITUDE+ERROR Search LIMITED+MAGNITUDE+ERROR
7 EXTENDED PERFECT CODES 283077 1% 100% 6 Search EXTENDED+PERFECT+CODES Search EXTENDED+PERFECT+CODES
8 Z2Z4 LINEAR CODES 242636 1% 86% 6 Search Z2Z4+LINEAR+CODES Search Z2Z4+LINEAR+CODES
9 Q ARY CODES 231176 1% 70% 7 Search Q+ARY+CODES Search Q+ARY+CODES
10 FULL RANK TILINGS 188718 1% 100% 4 Search FULL+RANK+TILINGS Search FULL+RANK+TILINGS

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 29858 PERMUTATION CODES//PERMUTATION ARRAYS//RANK MODULATION
2 6614 SELF DUAL CODES//CODES OVER RINGS//CYCLIC CODES
3 17109 LARGE SET//T WISE BALANCED DESIGN//T DESIGNS
4 17575 LATIN SQUARE//LATIN TRADE//DEFINING SETS
5 17964 PERMUTATION DECODING//SYMMETRIC DESIGN//QUASI SYMMETRIC DESIGN
6 27921 DELETION CHANNEL//INSERTION DELETION CHANNELS//MARKER CODES
7 22071 SELF AFFINE MEASURE//SPECTRAL PAIRS//ORTHOGONAL EXPONENTIALS
8 38183 N UNIFORM HYPERGRAPH//ERDOS LOVASZ PROBLEM//NON UNIFORM HYPERGRAPHS
9 17279 SPHERICAL DESIGNS//TIGHT DESIGN//EUCLIDEAN DESIGN
10 19176 NAND FLASH MEMORY//FLASH MEMORY//NAND FLASH

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