Class information for:
Level 1: FUNCTIONAL DEPENDENCY//FUNCTIONAL DEPENDENCIES//ORTHOGONAL DOUBLE COVER

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
10207 1019 23.7 26%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
472 15064 ACM TRANSACTIONS ON DATABASE SYSTEMS//INFORMATION SYSTEMS//DATA & KNOWLEDGE ENGINEERING

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 FUNCTIONAL DEPENDENCY Author keyword 32 43% 5% 56
2 FUNCTIONAL DEPENDENCIES Author keyword 21 48% 3% 33
3 ORTHOGONAL DOUBLE COVER Author keyword 18 89% 1% 8
4 ANTIKEY Author keyword 14 100% 1% 7
5 MINIMAL KEY Author keyword 14 100% 1% 7
6 RELATIONAL DATAMODEL Author keyword 14 100% 1% 7
7 INCLUSION DEPENDENCY Author keyword 11 100% 1% 6
8 ARMSTRONG RELATION Author keyword 9 83% 0% 5
9 INCLUSION DEPENDENCIES Author keyword 8 75% 1% 6
10 RELATION SCHEME Author keyword 8 75% 1% 6

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 FUNCTIONAL DEPENDENCY 32 43% 5% 56 Search FUNCTIONAL+DEPENDENCY Search FUNCTIONAL+DEPENDENCY
2 FUNCTIONAL DEPENDENCIES 21 48% 3% 33 Search FUNCTIONAL+DEPENDENCIES Search FUNCTIONAL+DEPENDENCIES
3 ORTHOGONAL DOUBLE COVER 18 89% 1% 8 Search ORTHOGONAL+DOUBLE+COVER Search ORTHOGONAL+DOUBLE+COVER
4 ANTIKEY 14 100% 1% 7 Search ANTIKEY Search ANTIKEY
5 MINIMAL KEY 14 100% 1% 7 Search MINIMAL+KEY Search MINIMAL+KEY
6 RELATIONAL DATAMODEL 14 100% 1% 7 Search RELATIONAL+DATAMODEL Search RELATIONAL+DATAMODEL
7 INCLUSION DEPENDENCY 11 100% 1% 6 Search INCLUSION+DEPENDENCY Search INCLUSION+DEPENDENCY
8 ARMSTRONG RELATION 9 83% 0% 5 Search ARMSTRONG+RELATION Search ARMSTRONG+RELATION
9 INCLUSION DEPENDENCIES 8 75% 1% 6 Search INCLUSION+DEPENDENCIES Search INCLUSION+DEPENDENCIES
10 RELATION SCHEME 8 75% 1% 6 Search RELATION+SCHEME Search RELATION+SCHEME

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 MINIMUM MATRIX REPRESENTATION 52 100% 2% 18
2 FUNCTIONAL DEPENDENCIES 46 45% 8% 78
3 CLOSURE OPERATIONS 32 78% 2% 21
4 ARMSTRONG RELATIONS 31 71% 2% 25
5 4NF 14 100% 1% 7
6 MULTIVALUED DEPENDENCIES 12 53% 2% 16
7 RELATIONAL VIEWS 11 42% 2% 20
8 INTEGRITY CONSTRAINTS 11 40% 2% 21
9 INCOMPLETE RELATIONS 11 78% 1% 7
10 NESTED RELATIONS 10 57% 1% 12

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Discover Dependencies from Data-A Review 2012 3 16 100%
Constraint acquisition for Entity-Relationship models 2009 4 53 70%
Achievements of relational database schema design theory revisited 1998 15 48 96%
A SURVEY OF DATABASE DESIGN TRANSFORMATIONS BASED ON THE ENTITY-RELATIONSHIP MODEL 1995 22 13 62%
Survey of directly mapping SQL databases to the Semantic Web 2011 6 4 25%
THE NESTED UNIVERSAL RELATION DATABASE MODEL 1992 0 56 68%
SOME CONCEPTIONS ON RELATIONAL DATA-BASES 1985 0 1 100%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ.
in class
1 FRE 2510 2 67% 0.2% 2
2 UMR 2239 1 50% 0.2% 2
3 FRE 2239 1 33% 0.2% 2
4 INFO COMM TECH 1 50% 0.1% 1
5 LORIAEQUIPE ORPAILLEUR 1 50% 0.1% 1
6 SERV PLATFORM 1 50% 0.1% 1
7 TEACHING SECT COMP SCI 1 50% 0.1% 1
8 TNLIST SOFTWARE 1 50% 0.1% 1
9 VIRTUAL REAL VISUALIZAT 1 50% 0.1% 1
10 ECON INFORMAT SYST 1 11% 0.5% 5

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000240626 CERTAIN ANSWERS//SCHEMA MAPPINGS//RECURSIVE QUERY EVALUATION
2 0.0000186940 OBJECT ORIENTED DATABASES//FUNCTIONAL DATA MODEL//OBJECT ALGEBRA
3 0.0000126568 OBJECT ROLE MODELING//CONCEPTUAL DATA MODELLING//NIAM
4 0.0000107672 FUZZY DATABASES//FUZZY FUNCTIONAL DEPENDENCY//FUZZY RELATIONAL DATA MODEL
5 0.0000103686 XPATH//XML QUERY PROCESSING//XML FILTERING
6 0.0000102666 DIRECTED HYPERGRAPHS//SUBSET GRAPH//SET THEORETIC ALGORITHMS
7 0.0000101651 TEMPORAL DATABASES//TEMPORAL QUERY LANGUAGES//VALID TIME
8 0.0000085644 AGENT ORIENTED ARCHITECTURES//INFOSTATION NETWORK//DATABASE REVERSE ENGINEERING
9 0.0000082450 DUALIZATION//INCREMENTAL POLYNOMIAL TIME//TRANSVERSAL HYPERGRAPH
10 0.0000076712 SCHEMA INTEGRATION//SCHEMA MATCHING//ONTOLOGY MATCHING