Class information for:
Level 1: SIGMOIDAL FUNCTION//RIDGE FUNCTIONS//COMMUN COMP SYST SCI DIST

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
11247 997 20.5 40%


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
9 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE//COMPUTER SCIENCE, INFORMATION SYSTEMS 1247339
211 3       COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE//IEEE TRANSACTIONS ON NEURAL NETWORKS//DATA MINING 51632
695 2             IEEE TRANSACTIONS ON NEURAL NETWORKS//EXTREME LEARNING MACHINE//NEURAL NETWORKS 13054
11247 1                   SIGMOIDAL FUNCTION//RIDGE FUNCTIONS//COMMUN COMP SYST SCI DIST 997

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 SIGMOIDAL FUNCTION authKW 451824 3% 49% 30
2 RIDGE FUNCTIONS authKW 321549 2% 50% 21
3 COMMUN COMP SYST SCI DIST address 254804 2% 40% 21
4 UNIVERSAL APPROXIMATION authKW 168725 2% 24% 23
5 SUBOPTIMAL SOLUTIONS authKW 165372 1% 60% 9
6 UNIFORM APPROXIMATION authKW 163300 2% 22% 24
7 POLYGONAL FUZZY NEURAL NETWORK authKW 153129 1% 100% 5
8 REGULAR FUZZY NEURAL NETWORKS authKW 153129 1% 100% 5
9 RATES OF APPROXIMATION authKW 150062 1% 70% 7
10 GOOD SET authKW 137813 1% 75% 6

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Computer Science, Artificial Intelligence 15242 32% 0% 323
2 Mathematics, Applied 2090 19% 0% 190
3 Computer Science, Theory & Methods 1232 10% 0% 102
4 Engineering, Electrical & Electronic 787 18% 0% 184
5 Automation & Control Systems 670 6% 0% 57
6 Mathematics 669 13% 0% 125
7 Neurosciences 394 14% 0% 138
8 Operations Research & Management Science 372 5% 0% 48
9 Computer Science, Information Systems 228 5% 0% 45
10 Computer Science, Interdisciplinary Applications 207 5% 0% 45

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 COMMUN COMP SYST SCI DIST 254804 2% 40% 21
2 METROL COMPUTAT SCI 78391 1% 32% 8
3 COMMUN COMP SYST SCI 51220 2% 8% 20
4 MATH DIMA 45936 0% 50% 3
5 INFORMAT SYST SCI 42462 3% 5% 26
6 48B 428 30626 0% 100% 1
7 ADMISS CLIN DOCUMENTAT CLIN INFORMAT SYST 30626 0% 100% 1
8 ADV EE DEV 30626 0% 100% 1
9 DALLE MOLLE PERCEPT ARTIFICIAL INTELLIGENCE 30626 0% 100% 1
10 DEEI ELECT ELECT COMP ENGN 30626 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 NEURAL NETWORKS 82322 9% 3% 92
2 IEEE TRANSACTIONS ON NEURAL NETWORKS 29746 5% 2% 53
3 NEURAL COMPUTATION 15742 4% 1% 36
4 JOURNAL OF APPROXIMATION THEORY 8028 3% 1% 30
5 NEURAL PROCESSING LETTERS 7038 2% 2% 15
6 LECTURE NOTES IN PURE AND APPLIED MATHEMATICS 6361 1% 2% 10
7 NEUROCOMPUTING 3227 3% 0% 32
8 INTERNATIONAL JOURNAL OF OIL GAS AND COAL TECHNOLOGY 2444 1% 2% 5
9 IEE PROCEEDINGS-CONTROL THEORY AND APPLICATIONS 1851 1% 1% 8
10 BEHAVIOR RESEARCH METHODS INSTRUMENTS & COMPUTERS 1704 1% 1% 10

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 SIGMOIDAL FUNCTION 451824 3% 49% 30 Search SIGMOIDAL+FUNCTION Search SIGMOIDAL+FUNCTION
2 RIDGE FUNCTIONS 321549 2% 50% 21 Search RIDGE+FUNCTIONS Search RIDGE+FUNCTIONS
3 UNIVERSAL APPROXIMATION 168725 2% 24% 23 Search UNIVERSAL+APPROXIMATION Search UNIVERSAL+APPROXIMATION
4 SUBOPTIMAL SOLUTIONS 165372 1% 60% 9 Search SUBOPTIMAL+SOLUTIONS Search SUBOPTIMAL+SOLUTIONS
5 UNIFORM APPROXIMATION 163300 2% 22% 24 Search UNIFORM+APPROXIMATION Search UNIFORM+APPROXIMATION
6 POLYGONAL FUZZY NEURAL NETWORK 153129 1% 100% 5 Search POLYGONAL+FUZZY+NEURAL+NETWORK Search POLYGONAL+FUZZY+NEURAL+NETWORK
7 REGULAR FUZZY NEURAL NETWORKS 153129 1% 100% 5 Search REGULAR+FUZZY+NEURAL+NETWORKS Search REGULAR+FUZZY+NEURAL+NETWORKS
8 RATES OF APPROXIMATION 150062 1% 70% 7 Search RATES+OF+APPROXIMATION Search RATES+OF+APPROXIMATION
9 GOOD SET 137813 1% 75% 6 Search GOOD+SET Search GOOD+SET
10 NEURAL NETWORKS OPERATORS 122503 0% 100% 4 Search NEURAL+NETWORKS+OPERATORS Search NEURAL+NETWORKS+OPERATORS

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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 CHEN, ZX , CAO, FL , (2016) SCATTERED DATA APPROXIMATION BY NEURAL NETWORKS OPERATORS.NEUROCOMPUTING. VOL. 190. ISSUE . P. 237 -242 39 98% 0
2 FARD, SP , ZAINUDDIN, Z , (2015) THE UNIVERSAL APPROXIMATION CAPABILITIES OF DOUBLE 2 PI-PERIODIC APPROXIMATE IDENTITY NEURAL NETWORKS.SOFT COMPUTING. VOL. 19. ISSUE 10. P. 2883 -2890 31 91% 0
3 COSTARELLI, D , (2014) INTERPOLATION BY NEURAL NETWORK OPERATORS ACTIVATED BY RAMP FUNCTIONS.JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS. VOL. 419. ISSUE 1. P. 574 -582 26 93% 9
4 COSTARELLI, D , (2015) NEURAL NETWORK OPERATORS: CONSTRUCTIVE INTERPOLATION OF MULTIVARIATE FUNCTIONS.NEURAL NETWORKS. VOL. 67. ISSUE . P. 28 -36 29 78% 4
5 COSTARELLI, D , SPIGLER, R , (2013) MULTIVARIATE NEURAL NETWORK OPERATORS WITH SIGMOIDAL ACTIVATION FUNCTIONS.NEURAL NETWORKS. VOL. 48. ISSUE . P. 72 -77 24 92% 14
6 XIE, TF , CAO, FL , (2010) THE ERRORS IN SIMULTANEOUS APPROXIMATION BY FEED-FORWARD NEURAL NETWORKS.NEUROCOMPUTING. VOL. 73. ISSUE 4-6. P. 903-907 25 100% 3
7 COSTARELLI, D , SPIGLER, R , (2013) APPROXIMATION RESULTS FOR NEURAL NETWORK OPERATORS ACTIVATED BY SIGMOIDAL FUNCTIONS.NEURAL NETWORKS. VOL. 44. ISSUE . P. 101 -106 22 96% 15
8 CHEN, ZX , CAO, FL , (2015) THE CONSTRUCTION AND APPROXIMATION OF FEEDFORWARD NEURAL NETWORK WITH HYPERBOLIC TANGENT FUNCTION.APPLIED MATHEMATICS-A JOURNAL OF CHINESE UNIVERSITIES SERIES B. VOL. 30. ISSUE 2. P. 151 -162 22 100% 0
9 XIE, TF , CAO, FL , (2011) THE ERRORS OF SIMULTANEOUS APPROXIMATION OF MULTIVARIATE FUNCTIONS BY NEURAL NETWORKS.COMPUTERS & MATHEMATICS WITH APPLICATIONS. VOL. 61. ISSUE 10. P. 3146-3152 23 100% 1
10 CAO, FL , ZHANG, YQ , XU, ZB , (2009) LOWER ESTIMATION OF APPROXIMATION RATE FOR NEURAL NETWORKS.SCIENCE IN CHINA SERIES F-INFORMATION SCIENCES. VOL. 52. ISSUE 8. P. 1321 -1327 22 100% 0

Classes with closest relation at Level 1


Rank Class id link
1 6790 FEEDFORWARD NEURAL NETWORKS//BACKPROPAGATION//ONLINE GRADIENT METHOD
2 11003 FORWARD REGRESSION//RADIAL BASIS FUNCTION NETWORK//NARMAX
3 37076 RUBBLIZATION//ADAPTIVE ACTIVATION FUNCTIONS//SPLINE NEURAL NETWORKS
4 15121 EXTREME LEARNING MACHINE//EXTREME LEARNING MACHINE ELM//SINGLE HIDDEN LAYER FEEDFORWARD NETWORK
5 22324 NEURON MOS//THRESHOLD LOGIC//NEURON MOS TRANSISTOR
6 33963 IND PLICABLE MATH//JOINT CHANNEL ESTIMATION JCE//MULTI USER JOINT DETECTION MUJD
7 25061 BRATUS PROBLEM//TROESCHS PROBLEM//CONTINUOUS GENETIC ALGORITHM
8 33536 JOHNS HOPKINS EPILEPSY//BIOLOGICAL BASED NEURON MODELS//HYLCAM
9 10107 SYSTEMATICITY//RECURRENT NEURAL NETWORKS//CONNECTIONISM
10 23468 NEOCOGNITRON//DYNAMIC LINK MATCHING//VISUAL PATTERN RECOGNITION

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