Class information for:
Level 1: FUZZY DATABASES//FUZZY FUNCTIONAL DEPENDENCY//FUZZY RELATIONAL DATABASES

Basic class information

Class id #P Avg. number of
references
Database coverage
of references
14858 745 27.5 31%



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
20 3       COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, SOFTWARE ENGINEERING 118625
864 2             INFORMATION SYSTEMS//COMPUTER SCIENCE, INFORMATION SYSTEMS//ACM TRANSACTIONS ON DATABASE SYSTEMS 11601
14858 1                   FUZZY DATABASES//FUZZY FUNCTIONAL DEPENDENCY//FUZZY RELATIONAL DATABASES 745

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 FUZZY DATABASES authKW 1246507 6% 72% 42
2 FUZZY FUNCTIONAL DEPENDENCY authKW 658046 2% 94% 17
3 FUZZY RELATIONAL DATABASES authKW 632345 2% 86% 18
4 PROBABILISTIC DATABASES authKW 468391 3% 57% 20
5 FLEXIBLE QUERYING authKW 346320 2% 65% 13
6 FUZZY RELATIONAL DATA MODEL authKW 245914 1% 100% 6
7 FUZZY OBJECT ORIENTED DATABASES authKW 204928 1% 100% 5
8 PROBABILISTIC XML authKW 184433 1% 75% 6
9 ILL KNOWN VALUES authKW 170772 1% 83% 5
10 FLEXIBLE QUERIES authKW 167352 1% 58% 7

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 21530 44% 0% 330
2 Computer Science, Information Systems 16061 38% 0% 284
3 Computer Science, Theory & Methods 7996 29% 0% 214
4 Computer Science, Software Engineering 1961 12% 0% 91
5 Statistics & Probability 1594 12% 0% 87
6 Mathematics, Applied 658 13% 0% 96
7 Computer Science, Hardware & Architecture 614 5% 0% 40
8 Computer Science, Cybernetics 465 2% 0% 18
9 Engineering, Electrical & Electronic 197 12% 0% 89
10 Computer Science, Interdisciplinary Applications 118 4% 0% 30

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 IRISA ENSSAT 133879 1% 47% 7
2 ISYCOM 93678 1% 57% 4
3 GRP SOPARIND BONGRAIN 81971 0% 100% 2
4 TELECOMMUN INFORMAT PROC 52662 2% 7% 18
5 CLBME 50438 1% 31% 4
6 BILGI TEKNOLOJILERI ILETISIM KURUMU BTK 40986 0% 100% 1
7 CC S HEIDELBERG 40986 0% 100% 1
8 CHAIR COMP SCI MANAGEMENT 40986 0% 100% 1
9 COMP SCI AIETSII 40986 0% 100% 1
10 COMPUTAT IT 40986 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 INTERNATIONAL JOURNAL OF INTELLIGENT SYSTEMS 118956 9% 4% 67
2 FUZZY SETS AND SYSTEMS 43167 12% 1% 87
3 INTERNATIONAL JOURNAL OF UNCERTAINTY FUZZINESS AND KNOWLEDGE-BASED SYSTEMS 20294 3% 2% 23
4 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 17629 5% 1% 36
5 ACM TRANSACTIONS ON DATABASE SYSTEMS 16903 2% 2% 18
6 DATA & KNOWLEDGE ENGINEERING 16111 3% 2% 22
7 VLDB JOURNAL 8427 1% 2% 11
8 INFORMATION SYSTEMS 5456 2% 1% 14
9 IEEE TRANSACTIONS ON FUZZY SYSTEMS 5436 2% 1% 16
10 LECTURE NOTES IN ARTIFICIAL INTELLIGENCE 5204 6% 0% 46

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 FUZZY DATABASES 1246507 6% 72% 42 Search FUZZY+DATABASES Search FUZZY+DATABASES
2 FUZZY FUNCTIONAL DEPENDENCY 658046 2% 94% 17 Search FUZZY+FUNCTIONAL+DEPENDENCY Search FUZZY+FUNCTIONAL+DEPENDENCY
3 FUZZY RELATIONAL DATABASES 632345 2% 86% 18 Search FUZZY+RELATIONAL+DATABASES Search FUZZY+RELATIONAL+DATABASES
4 PROBABILISTIC DATABASES 468391 3% 57% 20 Search PROBABILISTIC+DATABASES Search PROBABILISTIC+DATABASES
5 FLEXIBLE QUERYING 346320 2% 65% 13 Search FLEXIBLE+QUERYING Search FLEXIBLE+QUERYING
6 FUZZY RELATIONAL DATA MODEL 245914 1% 100% 6 Search FUZZY+RELATIONAL+DATA+MODEL Search FUZZY+RELATIONAL+DATA+MODEL
7 FUZZY OBJECT ORIENTED DATABASES 204928 1% 100% 5 Search FUZZY+OBJECT+ORIENTED+DATABASES Search FUZZY+OBJECT+ORIENTED+DATABASES
8 PROBABILISTIC XML 184433 1% 75% 6 Search PROBABILISTIC+XML Search PROBABILISTIC+XML
9 ILL KNOWN VALUES 170772 1% 83% 5 Search ILL+KNOWN+VALUES Search ILL+KNOWN+VALUES
10 FLEXIBLE QUERIES 167352 1% 58% 7 Search FLEXIBLE+QUERIES Search FLEXIBLE+QUERIES

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 MA, ZM , YAN, L , (2008) A LITERATURE OVERVIEW OF FUZZY DATABASE MODELS.JOURNAL OF INFORMATION SCIENCE AND ENGINEERING. VOL. 24. ISSUE 1. P. 189 -202 45 96% 13
2 YAN, L , MA, ZM , ZHANG, F , (2014) ALGEBRAIC OPERATIONS IN FUZZY OBJECT-ORIENTED DATABASES.INFORMATION SYSTEMS FRONTIERS. VOL. 16. ISSUE 4. P. 543 -556 31 94% 1
3 KACPRZYK, J , ZADROZNY, S , DE TRE, G , (2015) FUZZINESS IN DATABASE MANAGEMENT SYSTEMS: HALF A CENTURY OF DEVELOPMENTS AND FUTURE PROSPECTS.FUZZY SETS AND SYSTEMS. VOL. 281. ISSUE . P. 300 -307 40 63% 0
4 MA, ZM , YAN, L , (2016) MODELING FUZZY DATA WITH XML: A SURVEY.FUZZY SETS AND SYSTEMS. VOL. 301. ISSUE . P. 146 -159 26 90% 0
5 MA, ZM , YAN, L , ZHANG, F , (2012) MODELING FUZZY INFORMATION IN UML CLASS DIAGRAMS AND OBJECT-ORIENTED DATABASE MODELS.FUZZY SETS AND SYSTEMS. VOL. 186. ISSUE 1. P. 26 -46 28 85% 2
6 BOSC, P , PIVERT, O , (2010) MODELING AND QUERYING UNCERTAIN RELATIONAL DATABASES: A SURVEY OF APPROACHES BASED ON THE POSSIBLE WORLDS SEMANTICS.INTERNATIONAL JOURNAL OF UNCERTAINTY FUZZINESS AND KNOWLEDGE-BASED SYSTEMS. VOL. 18. ISSUE 5. P. 565 -603 30 81% 10
7 YAN, L , MA, ZM , (2015) A PROBABILISTIC OBJECT-ORIENTED DATABASE MODEL WITH FUZZY PROBABILITY MEASURES AND ITS ALGEBRAIC OPERATIONS.JOURNAL OF INTELLIGENT & FUZZY SYSTEMS. VOL. 28. ISSUE 5. P. 1969 -1984 24 92% 0
8 LIU, JYC , (2014) LOSSLESS JOIN DECOMPOSITION FOR EXTENDED POSSIBILITY-BASED FUZZY RELATIONAL DATABASES.JOURNAL OF APPLIED MATHEMATICS. VOL. . ISSUE . P. - 25 86% 0
9 YAN, L , MA, ZM , (2014) FORMAL TRANSLATION FROM FUZZY EER MODEL TO FUZZY XML MODEL.EXPERT SYSTEMS WITH APPLICATIONS. VOL. 41. ISSUE 8. P. 3615-3627 26 81% 1
10 YAN, L , MA, ZM , (2014) MODELING FUZZY INFORMATION IN FUZZY EXTENDED ENTITY-RELATIONSHIP MODEL AND FUZZY RELATIONAL DATABASES.JOURNAL OF INTELLIGENT & FUZZY SYSTEMS. VOL. 27. ISSUE 4. P. 1881 -1896 22 92% 2

Classes with closest relation at Level 1



Rank Class id link
1 21641 FUZZY BAGS//LINGUISTIC SUMMARIZATION//FUZZY QUANTIFICATION
2 36438 ACTION RULE//ADMINISTRATIVE TRANSPARENCY//FLEXIBLE ATTRIBUTES
3 6911 FUNCTIONAL DEPENDENCY//SCHEMA MAPPING//ACM TRANSACTIONS ON DATABASE SYSTEMS
4 6560 SPATIAL DATABASES//SKYLINE QUERY//MOVING OBJECTS
5 15987 DESCRIPTION LOGICS//FUZZY DESCRIPTION LOGICS//FUZZY ONTOLOGIES
6 16230 TEMPORAL DATABASES//SCHEMA EVOLUTION//VALID TIME
7 13552 XML//XPATH//KEYWORD SEARCH
8 12401 SCHEMA INTEGRATION//SCHEMA MATCHING//HETEROGENEOUS DATABASES
9 25235 INFORMAT AUTOMAT//EXPLORATORY PROJECTION PURSUIT//ARTIFICIAL INTELLIGENCE PL ELECT
10 8373 INFORMATION PROCESSING & MANAGEMENT//JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE//INFORMATION RETRIEVAL

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