Class information for:
Level 1: ROUGH SETS//ATTRIBUTE REDUCTION//ROUGH SET THEORY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
1133 2832 31.1 46%


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
276 3       FUZZY SETS AND SYSTEMS//ALGEBRA UNIVERSALIS//ROUGH SETS 43335
2406 2             ROUGH SETS//ATTRIBUTE REDUCTION//FORMAL CONCEPT ANALYSIS 4199
1133 1                   ROUGH SETS//ATTRIBUTE REDUCTION//ROUGH SET THEORY 2832

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 ROUGH SETS authKW 6417494 33% 63% 939
2 ATTRIBUTE REDUCTION authKW 1566756 6% 82% 178
3 ROUGH SET THEORY authKW 1305210 8% 55% 222
4 FUZZY ROUGH SETS authKW 1121744 4% 82% 127
5 GRANULAR COMPUTING authKW 1107743 6% 59% 175
6 APPROXIMATION OPERATORS authKW 569305 2% 79% 67
7 DECISION THEORETIC ROUGH SETS authKW 485119 2% 100% 45
8 GRANULAR COMP address 414737 2% 84% 46
9 INCOMPLETE INFORMATION SYSTEM authKW 392008 1% 91% 40
10 REDUCT authKW 359450 2% 65% 51

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 106898 51% 1% 1431
2 Computer Science, Information Systems 18150 21% 0% 597
3 Computer Science, Theory & Methods 10426 17% 0% 485
4 Computer Science, Software Engineering 5531 11% 0% 300
5 Mathematics, Applied 3759 15% 0% 438
6 Computer Science, Cybernetics 1963 3% 0% 72
7 Operations Research & Management Science 1608 6% 0% 165
8 Computer Science, Interdisciplinary Applications 978 6% 0% 159
9 Statistics & Probability 342 3% 0% 91
10 Automation & Control Systems 296 3% 0% 71

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 GRANULAR COMP 414737 2% 84% 46
2 COMPUTAT INTELLIGENCE CHINESE INFORMAT 262560 2% 47% 52
3 MATH COMP AIDED SCI 64683 0% 100% 6
4 CHONGQING COMPUTAT INTELLIGENCE 60706 1% 28% 20
5 ENVIRONM POLICY OURCE MANAGEMENT 59975 1% 35% 16
6 THEORET PL INFORMAT 49140 1% 18% 25
7 MATH PHYS INFORMAT SCI 46684 1% 15% 29
8 INFORMAT SYST AUDITING EXPT 43122 0% 100% 4
9 INTELLIGENT PERCEPT SYST HIGH DIMENS IN 39588 0% 28% 13
10 EXPERT SYST ARTIFICIAL INTELLIGENCE 38805 0% 60% 6

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 FUNDAMENTA INFORMATICAE 297831 9% 11% 251
2 INFORMATION SCIENCES 144965 11% 4% 320
3 INTERNATIONAL JOURNAL OF APPROXIMATE REASONING 130014 5% 9% 133
4 LECTURE NOTES IN ARTIFICIAL INTELLIGENCE 96305 14% 2% 384
5 KNOWLEDGE-BASED SYSTEMS 63728 5% 5% 128
6 INTERNATIONAL JOURNAL OF MACHINE LEARNING AND CYBERNETICS 55420 2% 11% 46
7 INTERNATIONAL JOURNAL OF GENERAL SYSTEMS 17759 1% 4% 42
8 INTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS 16659 2% 3% 49
9 JOURNAL OF INTELLIGENT & FUZZY SYSTEMS 15488 2% 2% 60
10 COMPUTATIONAL INTELLIGENCE 10011 1% 4% 22

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 ROUGH SETS 6417494 33% 63% 939 Search ROUGH+SETS Search ROUGH+SETS
2 ATTRIBUTE REDUCTION 1566756 6% 82% 178 Search ATTRIBUTE+REDUCTION Search ATTRIBUTE+REDUCTION
3 ROUGH SET THEORY 1305210 8% 55% 222 Search ROUGH+SET+THEORY Search ROUGH+SET+THEORY
4 FUZZY ROUGH SETS 1121744 4% 82% 127 Search FUZZY+ROUGH+SETS Search FUZZY+ROUGH+SETS
5 GRANULAR COMPUTING 1107743 6% 59% 175 Search GRANULAR+COMPUTING Search GRANULAR+COMPUTING
6 APPROXIMATION OPERATORS 569305 2% 79% 67 Search APPROXIMATION+OPERATORS Search APPROXIMATION+OPERATORS
7 DECISION THEORETIC ROUGH SETS 485119 2% 100% 45 Search DECISION+THEORETIC+ROUGH+SETS Search DECISION+THEORETIC+ROUGH+SETS
8 INCOMPLETE INFORMATION SYSTEM 392008 1% 91% 40 Search INCOMPLETE+INFORMATION+SYSTEM Search INCOMPLETE+INFORMATION+SYSTEM
9 REDUCT 359450 2% 65% 51 Search REDUCT Search REDUCT
10 APPROXIMATION SPACE 345332 2% 55% 58 Search APPROXIMATION+SPACE Search APPROXIMATION+SPACE

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 PAWLAK, Z , SKOWRON, A , (2007) RUDIMENTS OF ROUGH SETS.INFORMATION SCIENCES. VOL. 177. ISSUE 1. P. 3 -27 114 78% 767
2 SUN, BZ , MA, WM , XIAO, X , (2017) THREE-WAY GROUP DECISION MAKING BASED ON MULTIGRANULATION FUZZY DECISION-THEORETIC ROUGH SET OVER TWO UNIVERSES.INTERNATIONAL JOURNAL OF APPROXIMATE REASONING. VOL. 81. ISSUE . P. 87 -102 51 86% 2
3 LI, JH , HUANG, CC , QI, JJ , QIAN, YH , LIU, WQ , (2017) THREE-WAY COGNITIVE CONCEPT LEARNING VIA MULTI-GRANULARITY.INFORMATION SCIENCES. VOL. 378. ISSUE . P. 244 -263 35 73% 7
4 LIU, D , LIANG, DC , WANG, CC , (2016) A NOVEL THREE-WAY DECISION MODEL BASED ON INCOMPLETE INFORMATION SYSTEM.KNOWLEDGE-BASED SYSTEMS. VOL. 91. ISSUE . P. 32 -45 47 92% 14
5 ZHANG, XY , MIAO, DQ , (2016) QUANTITATIVE/QUALITATIVE REGION-CHANGE UNCERTAINTY/CERTAINTY IN ATTRIBUTE REDUCTION: COMPARATIVE REGION-CHANGE ANALYSES BASED ON GRANULAR COMPUTING.INFORMATION SCIENCES. VOL. 334. ISSUE . P. 174 -204 62 95% 4
6 ZHANG, XY , MIAO, DQ , (2016) DOUBLE-QUANTITATIVE FUSION OF ACCURACY AND IMPORTANCE: SYSTEMATIC MEASURE MINING, BENIGN INTEGRATION CONSTRUCTION, HIERARCHICAL ATTRIBUTE REDUCTION.KNOWLEDGE-BASED SYSTEMS. VOL. 91. ISSUE . P. 219 -240 68 97% 2
7 WANG, CZ , HE, Q , CHEN, DG , HU, QH , (2014) A NOVEL METHOD FOR ATTRIBUTE REDUCTION OF COVERING DECISION SYSTEMS.INFORMATION SCIENCES. VOL. 254. ISSUE . P. 181-196 55 98% 36
8 LI, HX , ZHANG, LB , HUANG, B , ZHOU, XZ , (2016) SEQUENTIAL THREE-WAY DECISION AND GRANULATION FOR COST-SENSITIVE FACE RECOGNITION.KNOWLEDGE-BASED SYSTEMS. VOL. 91. ISSUE . P. 241 -251 39 74% 25
9 YAO, YY , SHE, YH , (2016) ROUGH SET MODELS IN MULTIGRANULATION SPACES.INFORMATION SCIENCES. VOL. 327. ISSUE . P. 40 -56 32 97% 20
10 LANG, GM , MIAO, DQ , YANG, T , CAI, MJ , (2016) KNOWLEDGE REDUCTION OF DYNAMIC COVERING DECISION INFORMATION SYSTEMS WHEN VARYING COVERING CARDINALITIES.INFORMATION SCIENCES. VOL. 346. ISSUE . P. 236 -260 65 94% 0

Classes with closest relation at Level 1


Rank Class id link
1 36438 ACTION RULE//ADMINISTRATIVE TRANSPARENCY//FLEXIBLE ATTRIBUTES
2 12185 FORMAL CONCEPT ANALYSIS//CONCEPT LATTICE//FORMAL CONTEXT
3 30480 LOGICAL ANALYSIS OF DATA//LOGICAL ANALYSIS OF DATA LAD//MONOTONE CLASSIFICATION
4 21641 FUZZY BAGS//LINGUISTIC SUMMARIZATION//FUZZY QUANTIFICATION
5 4629 SOFT SET//SOFT SETS//FUZZY IDEAL
6 12665 DECISION TREE//NUMERICAL ATTRIBUTES//SUPERVISED DISCRETIZATION
7 1997 FEATURE SELECTION//GENE SELECTION//CANCER CLASSIFICATION
8 13300 TYPE 2 FUZZY SETS//INTERVAL TYPE 2 FUZZY SETS//TYPE 2 FUZZY LOGIC
9 13020 INSTANCE SELECTION//PROTOTYPE SELECTION//INSTANCE BASED LEARNING
10 15239 IMBALANCED DATASETS//IMBALANCED DATA//CLASS IMBALANCE

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