Class information for:
Level 2: SPATIAL DATABASES//DATA BROADCASTING//SKYLINE QUERY

Basic class information
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
12 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE 1181119
36 3       COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, HARDWARE & ARCHITECTURE//COMPUTER SCIENCE, INFORMATION SYSTEMS 110484
2509 2             SPATIAL DATABASES//DATA BROADCASTING//SKYLINE QUERY 4103
7228 1                   SPATIAL DATABASES//SKYLINE QUERY//TOP K QUERY 1417
16632 1                   DATA BROADCASTING//WIRELESS DATA BROADCAST//BROADCAST DISKS 670
17195 1                   B TREE//EXTENDIBLE HASHING//DICTIONARY MACHINE 639
19775 1                   SIMILARITY SEARCH//HIGH DIMENSIONAL INDEXING//METRIC ACCESS METHODS 513
19862 1                   2D STRING//SIMILARITY RETRIEVAL//ICONIC INDEXING 509
23859 1                   CLAYTON INFORMAT TECHNOL//MOBILE INFORMATION SYSTEMS//INTERNATIONAL JOURNAL OF WEB AND GRID SERVICES 355

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPATIAL DATABASES authKW 604656 4% 50% 159
2 DATA BROADCASTING authKW 465156 2% 74% 82
3 SKYLINE QUERY authKW 443856 2% 85% 68
4 QUERY PROCESSING authKW 342734 4% 27% 166
5 MOVING OBJECTS authKW 277612 2% 37% 99
6 TOP K QUERY authKW 276427 1% 67% 54
7 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING journal 236444 8% 10% 311
8 SKYLINE authKW 209485 1% 56% 49
9 SIMILARITY RETRIEVAL authKW 207329 1% 75% 36
10 COMPUTER SCIENCE, INFORMATION SYSTEMS WoSSC 206069 58% 1% 2394

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Computer Science, Information Systems 206069 58% 1% 2394
2 Computer Science, Theory & Methods 43466 28% 1% 1168
3 Computer Science, Software Engineering 39141 23% 1% 934
4 Computer Science, Artificial Intelligence 28834 22% 0% 916
5 Computer Science, Hardware & Architecture 16334 11% 0% 470
6 Telecommunications 6285 11% 0% 452
7 Engineering, Electrical & Electronic 4418 21% 0% 868
8 Geography, Physical 575 2% 0% 93
9 Operations Research & Management Science 340 3% 0% 104
10 Information Science & Library Science 187 1% 0% 53

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CLAYTON INFORMAT TECHNOL 102048 1% 27% 50
2 BIG DATA INTELLIGENT COMP ZHEJIANG PROV 61436 0% 100% 8
3 COMP SCI 54590 26% 1% 1070
4 COMP SCI ENGN 29353 9% 1% 386
5 IND CONTROL ENGN IOC 23985 0% 31% 10
6 BUSINESS SYST 20793 1% 12% 23
7 LANGUAGES INFORMAT SYST 18519 0% 19% 13
8 CHONGQING LIANGJIANG KAIST INT PROGRAM 17277 0% 75% 3
9 COMP SCI COMP ENGN 16435 1% 6% 37
10 SIRET GRP 15993 0% 42% 5

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 236444 8% 10% 311
2 VLDB JOURNAL 151406 3% 18% 110
3 ACM TRANSACTIONS ON DATABASE SYSTEMS 114436 3% 14% 109
4 GEOINFORMATICA 111088 2% 20% 72
5 INFORMATION SYSTEMS 82398 3% 8% 127
6 MOBILE INFORMATION SYSTEMS 76355 2% 12% 82
7 INTERNATIONAL JOURNAL OF WEB AND GRID SERVICES 54697 1% 19% 37
8 DISTRIBUTED AND PARALLEL DATABASES 44095 1% 12% 47
9 DATA & KNOWLEDGE ENGINEERING 40417 2% 7% 81
10 LECTURE NOTES IN COMPUTER SCIENCE 35697 16% 1% 647

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SPATIAL DATABASES 604656 4% 50% 159 Search SPATIAL+DATABASES Search SPATIAL+DATABASES
2 DATA BROADCASTING 465156 2% 74% 82 Search DATA+BROADCASTING Search DATA+BROADCASTING
3 SKYLINE QUERY 443856 2% 85% 68 Search SKYLINE+QUERY Search SKYLINE+QUERY
4 QUERY PROCESSING 342734 4% 27% 166 Search QUERY+PROCESSING Search QUERY+PROCESSING
5 MOVING OBJECTS 277612 2% 37% 99 Search MOVING+OBJECTS Search MOVING+OBJECTS
6 TOP K QUERY 276427 1% 67% 54 Search TOP+K+QUERY Search TOP+K+QUERY
7 SKYLINE 209485 1% 56% 49 Search SKYLINE Search SKYLINE
8 SIMILARITY RETRIEVAL 207329 1% 75% 36 Search SIMILARITY+RETRIEVAL Search SIMILARITY+RETRIEVAL
9 WIRELESS DATA BROADCAST 199940 1% 96% 27 Search WIRELESS+DATA+BROADCAST Search WIRELESS+DATA+BROADCAST
10 SPATIO TEMPORAL DATABASES 193490 1% 60% 42 Search SPATIO+TEMPORAL+DATABASES Search SPATIO+TEMPORAL+DATABASES

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.

Classes with closest relation at Level 2


rank cluster_id2 link
1 1270 ACM TRANSACTIONS ON DATABASE SYSTEMS//QUERY OPTIMIZATION//INFORMATION SYSTEMS
2 1551 INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE//CARTOGRAPHIC JOURNAL//QUALITATIVE SPATIAL REASONING
3 746 COMPUTER SCIENCE, THEORY & METHODS//COMPUTATIONAL GEOMETRY//SIAM JOURNAL ON COMPUTING
4 1534 SELF STABILIZATION//DISTRIBUTED COMPUTING//FAULT TOLERANCE
5 2299 REAL-TIME SYSTEMS//VIDEO ON DEMAND//REAL TIME SYSTEMS
6 964 PEER TO PEER//ACTIVITY RECOGNITION//PEER TO PEER NETWORKS
7 2457 FUZZY CLUSTERING//FUZZY C MEANS//CLUSTERING
8 4256 E BUSINESS AGENT//EBA CBD REFERENCE ARCHITECTURE//EBA SPEC
9 1624 CLOUD COMPUTING//VIRTUALIZATION//MAPREDUCE
10 355 RECOMMENDER SYSTEMS//COLLABORATIVE FILTERING//INFORMATION PROCESSING & MANAGEMENT

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