Class information for:
Level 1: QUASI GREEDY BASIS//THRESHOLDING GREEDY ALGORITHM//BEST M TERM APPROXIMATION

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
14 4 MATHEMATICS//MATHEMATICS, APPLIED//MATH 912822
636 3       CONVEX BODY//JOURNAL OF COMPLEXITY//STEREOLOGY 11958
2770 2             JOURNAL OF COMPLEXITY//QUASI MONTE CARLO METHODS//QUASI MONTE CARLO 3398
20139 1                   QUASI GREEDY BASIS//THRESHOLDING GREEDY ALGORITHM//BEST M TERM APPROXIMATION 496

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 QUASI GREEDY BASIS authKW 703836 2% 92% 12
2 THRESHOLDING GREEDY ALGORITHM authKW 635409 2% 100% 10
3 BEST M TERM APPROXIMATION authKW 406659 2% 80% 8
4 M TERM APPROXIMATION authKW 369688 2% 73% 8
5 VALLEE POUSSIN KERNEL authKW 317704 1% 100% 5
6 PURE GREEDY ALGORITHM authKW 264752 1% 83% 5
7 DEMOCRATIC BASES authKW 254164 1% 100% 4
8 DIVERGENCE SETS authKW 254164 1% 100% 4
9 GREEDY ALGORITHM authKW 249313 10% 8% 48
10 GREEDY BASIS authKW 239494 1% 54% 7

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Mathematics 20985 88% 0% 435
2 Mathematics, Applied 2367 28% 0% 139
3 Multidisciplinary Sciences 79 2% 0% 12
4 Computer Science, Theory & Methods 30 3% 0% 14
5 Physics, Mathematical 5 2% 0% 8
6 Mechanics 3 2% 0% 10
7 Statistics & Probability 2 1% 0% 5
8 Imaging Science & Photographic Technology 0 0% 0% 1
9 Computer Science, Information Systems -0 1% 0% 3
10 Computer Science, Hardware & Architecture -0 0% 0% 1

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BIOSTAT EPIDEMIO 63541 0% 100% 1
2 BIURO AKTUARIALNE 63541 0% 100% 1
3 COMPTER 63541 0% 100% 1
4 CUSTOMS SERV 63541 0% 100% 1
5 INTERDISIPLINARY MATH COMPUTAT MODELLING 63541 0% 100% 1
6 OPU MECH MATH 63541 0% 100% 1
7 PROBAIL MODELES ALEATOI 63541 0% 100% 1
8 WYDZIAL MATEMAT UBEZPIECZENIOWEJ 63541 0% 100% 1
9 CHAIR HIGHER MATH 57183 1% 30% 3
10 KAZAKHSTAN BRANCH 27227 1% 14% 3

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 UKRAINIAN MATHEMATICAL JOURNAL 88749 8% 4% 38
2 JOURNAL OF CONTEMPORARY MATHEMATICAL ANALYSIS-ARMENIAN ACADEMY OF SCIENCES 84688 4% 7% 18
3 MATHEMATICAL NOTES 68080 15% 1% 74
4 CONSTRUCTIVE APPROXIMATION 38847 5% 2% 25
5 ANALYSIS MATHEMATICA 38030 2% 6% 10
6 IZVESTIYA MATHEMATICS 30617 4% 2% 21
7 SBORNIK MATHEMATICS 21068 5% 1% 23
8 MATHEMATICS OF THE USSR-SBORNIK 17739 3% 2% 14
9 JOURNAL OF APPROXIMATION THEORY 17674 6% 1% 31
10 PROCEEDINGS OF THE STEKLOV INSTITUTE OF MATHEMATICS 14544 3% 1% 16

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 QUASI GREEDY BASIS 703836 2% 92% 12 Search QUASI+GREEDY+BASIS Search QUASI+GREEDY+BASIS
2 THRESHOLDING GREEDY ALGORITHM 635409 2% 100% 10 Search THRESHOLDING+GREEDY+ALGORITHM Search THRESHOLDING+GREEDY+ALGORITHM
3 BEST M TERM APPROXIMATION 406659 2% 80% 8 Search BEST+M+TERM+APPROXIMATION Search BEST+M+TERM+APPROXIMATION
4 M TERM APPROXIMATION 369688 2% 73% 8 Search M+TERM+APPROXIMATION Search M+TERM+APPROXIMATION
5 VALLEE POUSSIN KERNEL 317704 1% 100% 5 Search VALLEE+POUSSIN+KERNEL Search VALLEE+POUSSIN+KERNEL
6 PURE GREEDY ALGORITHM 264752 1% 83% 5 Search PURE+GREEDY+ALGORITHM Search PURE+GREEDY+ALGORITHM
7 DEMOCRATIC BASES 254164 1% 100% 4 Search DEMOCRATIC+BASES Search DEMOCRATIC+BASES
8 DIVERGENCE SETS 254164 1% 100% 4 Search DIVERGENCE+SETS Search DIVERGENCE+SETS
9 GREEDY ALGORITHM 249313 10% 8% 48 Search GREEDY+ALGORITHM Search GREEDY+ALGORITHM
10 GREEDY BASIS 239494 1% 54% 7 Search GREEDY+BASIS Search GREEDY+BASIS

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 18393 ENTROPY NUMBERS//SMALL DEVIATIONS//SMALL BALL PROBABILITY
2 38740 SIMPLE PARTIAL FRACTION//CHAIR FUNCT ANAL ITS PLICAT//RESTRICTION ON THE POLES
3 21821 JOURNAL OF COMPLEXITY//ASYMPTOTICALLY OPTIMAL DESIGNS//PROBABILISTIC WIDTH
4 29605 POSITIVE TRIGONOMETRIC SUMS//FEJER JACKSON INEQUALITY//RELATIVE WIDTH
5 28585 GENERAL FRANKLIN SYSTEM//FRANKLIN SYSTEM//PALEY FUNCTION
6 29178 OPTIMAL RECOVERY//UNIFORMLY DISTRIBUTED GRIDS//THEORET MATH SCI COMPUTAT
7 29331 MONO COMPONENT//BEDROSIAN IDENTITY//RATIONAL ORTHOGONAL SYSTEM
8 32278 PROJECTION PURSUIT//AUTO ASSOCIATIVE MODELS//DISCRIMINANT SPACE
9 9812 B SPLINE WAVELET ON THE INTERVAL//WAVELET GALERKIN METHOD//WAVELETS
10 12027 REARRANGEMENT INVARIANT SPACES//REAL INTERPOLATION//LORENTZ ZYGMUND SPACES

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