Class information for:
Level 2: ACM TRANSACTIONS ON DATABASE SYSTEMS//INFORMATION SYSTEMS//DATA & KNOWLEDGE ENGINEERING

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
472 15064 26.8 23%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 3)


ID, lev.
above		 Publications Label for level above
186 51139 ARTIFICIAL INTELLIGENCE//ICCA JOURNAL//ICGA JOURNAL

Classes in level below (level 1)


ID, lev. below Publications Label for level below
4402 1716 AIFB//ONTOLOGY LEARNING//INFORMAT TELECOMMUN SYST ENGN
9250 1105 DISTRIBUTED DATABASE DESIGN//DISTRIBUTED DATABASE SYSTEM//QUERY OPTIMIZATION
9461 1085 SCHEMA INTEGRATION//SCHEMA MATCHING//ONTOLOGY MATCHING
10207 1019 FUNCTIONAL DEPENDENCY//FUNCTIONAL DEPENDENCIES//ORTHOGONAL DOUBLE COVER
10952 953 XPATH//XML QUERY PROCESSING//XML FILTERING
11599 904 OBJECT ORIENTED DATABASES//FUNCTIONAL DATA MODEL//OBJECT ALGEBRA
12084 869 FINITE MODEL THEORY//DEPENDENCE LOGIC//DESCRIPTIVE COMPLEXITY
12233 857 DESCRIPTION LOGICS//FUZZY DESCRIPTION LOGICS//LOGIC FOR THE SEMANTIC WEB
12423 843 TEMPORAL REASONING//TEMPORAL ABSTRACTION//TEMPORAL ABSTRACTIONS
13899 742 FUZZY DATABASES//FUZZY FUNCTIONAL DEPENDENCY//FUZZY RELATIONAL DATA MODEL
13964 737 LUCENTIA GRP//OLAP//DATA WAREHOUSES
15584 634 CERTAIN ANSWERS//SCHEMA MAPPINGS//RECURSIVE QUERY EVALUATION
17952 511 TEMPORAL DATABASES//TEMPORAL QUERY LANGUAGES//VALID TIME
19414 442 JOURNAL OF WEB SEMANTICS//SEMANTIC WEB//DATAWEB
19599 433 ACTIVE DATABASES//ACTIVE DATABASE SYSTEMS//REAL TIME DECISION SYSTEMS
20408 400 MULTIPLE QUERY OPTIMIZATION//DATA STREAM PROCESSING//CONTINUOUS QUERIES
21567 356 ORDER SORTED LOGIC//PSI TERMS//TREE ORDERINGS
23552 287 EA 1905//PROD ENGN LGP//FOOD TASTE SCI CSGA
23829 279 DATA SYNOPSES//RESERVOIR SAMPLING//SELECTIVITY ESTIMATION
25434 233 INTELLIGENT HELP SYSTEMS//LOGIC OF PLAUSIBLE REASONING//ADVICE GENERATION
26102 217 OBJECT ROLE MODELING//CONCEPTUAL DATA MODELLING//NIAM
30114 143 DATA WORDS//INFINITE ALPHABETS//REGISTER AUTOMATA
32086 113 DOCUMENT WAREHOUSING//ORA SS//EQUIVALENT TRANSFORMATION MODEL
32665 105 COMPETENCE DESCRIPTION//DATABASE EDUC//ADV E SERV KNOWLEDGE SOC UNIT
33963 81 ACTION RULE//ACTIONABILITY//EMPIRICAL DISCOVERY

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 ACM TRANSACTIONS ON DATABASE SYSTEMS Journal 213 46% 2% 344
2 INFORMATION SYSTEMS Journal 187 34% 3% 451
3 DATA & KNOWLEDGE ENGINEERING Journal 140 32% 2% 364
4 QUERY OPTIMIZATION Author keyword 88 39% 1% 178
5 JOURNAL OF WEB SEMANTICS Journal 82 47% 1% 130
6 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING Journal 77 16% 3% 436
7 SIGMOD RECORD Journal 73 34% 1% 177
8 TEMPORAL REASONING Author keyword 72 41% 1% 137
9 TEMPORAL DATABASES Author keyword 72 55% 1% 91
10 OBJECT ORIENTED DATABASES Author keyword 70 47% 1% 110

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 QUERY OPTIMIZATION 88 39% 1% 178 Search QUERY+OPTIMIZATION Search QUERY+OPTIMIZATION
2 TEMPORAL REASONING 72 41% 1% 137 Search TEMPORAL+REASONING Search TEMPORAL+REASONING
3 TEMPORAL DATABASES 72 55% 1% 91 Search TEMPORAL+DATABASES Search TEMPORAL+DATABASES
4 OBJECT ORIENTED DATABASES 70 47% 1% 110 Search OBJECT+ORIENTED+DATABASES Search OBJECT+ORIENTED+DATABASES
5 QUERY PROCESSING 54 25% 1% 190 Search QUERY+PROCESSING Search QUERY+PROCESSING
6 FUNCTIONAL DEPENDENCY 53 53% 0% 69 Search FUNCTIONAL+DEPENDENCY Search FUNCTIONAL+DEPENDENCY
7 SEMANTIC WEB 50 12% 3% 388 Search SEMANTIC+WEB Search SEMANTIC+WEB
8 DESCRIPTION LOGICS 49 34% 1% 119 Search DESCRIPTION+LOGICS Search DESCRIPTION+LOGICS
9 FINITE MODEL THEORY 48 57% 0% 57 Search FINITE+MODEL+THEORY Search FINITE+MODEL+THEORY
10 FUNCTIONAL DEPENDENCIES 48 65% 0% 45 Search FUNCTIONAL+DEPENDENCIES Search FUNCTIONAL+DEPENDENCIES

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 FUNCTIONAL DEPENDENCIES 100 61% 1% 106
2 RELATIONAL DATABASES 99 48% 1% 151
3 RELATIONAL QUERIES 53 62% 0% 55
4 INCLUSION DEPENDENCIES 52 77% 0% 36
5 MINIMUM MATRIX REPRESENTATION 52 100% 0% 18
6 SCHEMA INTEGRATION 51 66% 0% 47
7 QUERIES 49 18% 2% 250
8 SEMANTIC WEB 49 19% 2% 235
9 AGGREGATE FUNCTIONS 45 94% 0% 16
10 QUERY LANGUAGE 45 53% 0% 60

Journals


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 ACM TRANSACTIONS ON DATABASE SYSTEMS 213 46% 2% 344
2 INFORMATION SYSTEMS 187 34% 3% 451
3 DATA & KNOWLEDGE ENGINEERING 140 32% 2% 364
4 JOURNAL OF WEB SEMANTICS 82 47% 1% 130
5 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 77 16% 3% 436
6 SIGMOD RECORD 73 34% 1% 177
7 VLDB JOURNAL 64 31% 1% 170
8 INTERNATIONAL JOURNAL ON SEMANTIC WEB AND INFORMATION SYSTEMS 30 43% 0% 53
9 SEMANTIC WEB 29 42% 0% 54
10 DISTRIBUTED AND PARALLEL DATABASES 28 26% 1% 93

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Ontology mapping: the state of the art 2003 372 6 83%
Knowledge Engineering: Principles and methods 1998 714 27 30%
Answering queries using views: A survey 2001 334 9 100%
The state of the art in distributed query processing 2000 194 18 72%
Innovative information visualization of electronic health record data: a systematic review 2015 1 10 70%
The Enterprise Ontology 1998 161 3 67%
Data Fusion 2008 59 25 68%
Managing uncertainty and vagueness in description logics for the Semantic Web 2008 89 41 46%
LOGICAL-FOUNDATIONS OF OBJECT-ORIENTED AND FRAME-BASED LANGUAGES 1995 380 20 40%
JOIN PROCESSING IN RELATIONAL DATABASES 1992 99 28 89%

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 AIFB 40 38% 0.5% 82
2 EA 1905 26 87% 0.1% 13
3 ONTOL ENGN GRP 22 53% 0.2% 29
4 PROD ENGN LGP 21 85% 0.1% 11
5 LUCENTIA GRP 19 71% 0.1% 15
6 SOFTWARE COMP SYST 16 43% 0.2% 28
7 FOOD TASTE SCI CSGA 15 88% 0.0% 7
8 KNOWLEDGE MEDIA 10 22% 0.3% 41
9 KRDB KNOWLEDGE DATA 9 83% 0.0% 5
10 KNOWLEDGE DATABASE SYST 8 52% 0.1% 11

Related classes at same level (level 2)


Rank Relatedness score Related classes
1 0.0000018114 NONMONOTONIC REASONING//ANSWER SET PROGRAMMING//DEFAULT LOGIC
2 0.0000011848 INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE//CARTOGRAPHIC JOURNAL//QUALITATIVE SPATIAL REASONING
3 0.0000011828 INFORMATION RETRIEVAL//INFORMATION PROCESSING & MANAGEMENT//COMPUTATIONAL LINGUISTICS
4 0.0000011630 ASSOCIATION RULES//SEQUENTIAL PATTERNS//UTILITY MINING
5 0.0000011222 CASE BASED REASONING//IEEE EXPERT-INTELLIGENT SYSTEMS & THEIR APPLICATIONS//QUALITATIVE REASONING
6 0.0000010003 ENTERPRISE INFORMATION SYSTEMS//PETRI NETS//DEADLOCK PREVENTION
7 0.0000008634 STRING MATCHING//DATA STRUCTURES//SUCCINCT DATA STRUCTURES
8 0.0000008123 ROUGH SETS//ROUGH SET//FORMAL CONCEPT ANALYSIS
9 0.0000008031 INFORMATION AND SOFTWARE TECHNOLOGY//IEEE SOFTWARE//JOURNAL OF SYSTEMS AND SOFTWARE
10 0.0000007308 AUTONOMOUS AGENTS AND MULTI-AGENT SYSTEMS//MULTI AGENT SYSTEMS//AUTOMATED NEGOTIATIONS