Class information for:
Level 1: SPATIAL DATABASES//SKYLINE QUERY//TOP K 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

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SPATIAL DATABASES authKW 1300240 10% 43% 137
2 SKYLINE QUERY authKW 1210959 5% 83% 66
3 TOP K QUERY authKW 800613 4% 67% 54
4 MOVING OBJECTS authKW 694497 6% 34% 92
5 SKYLINE authKW 606762 3% 56% 49
6 SPATIO TEMPORAL DATABASES authKW 560421 3% 60% 42
7 QUERY PROCESSING authKW 545140 9% 20% 123
8 CONTINUOUS QUERIES authKW 419566 3% 44% 43
9 UNCERTAIN DATA authKW 334145 3% 32% 47
10 TOP K authKW 328781 2% 48% 31

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Computer Science, Information Systems 122775 76% 1% 1083
2 Computer Science, Artificial Intelligence 17561 29% 0% 417
3 Computer Science, Software Engineering 10040 20% 0% 279
4 Computer Science, Theory & Methods 8668 22% 0% 309
5 Computer Science, Hardware & Architecture 5547 11% 0% 161
6 Geography, Physical 1566 6% 0% 83
7 Engineering, Electrical & Electronic 1366 20% 0% 286
8 Telecommunications 753 7% 0% 96
9 Remote Sensing 48 1% 0% 14
10 Computer Science, Interdisciplinary Applications 32 2% 0% 28

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 BIG DATA INTELLIGENT COMP ZHEJIANG PROV 100078 0% 75% 6
2 CHONGQING LIANGJIANG KAIST INT PROGRAM 50039 0% 75% 3
3 INTELLIGENT DATABASE 44481 0% 100% 2
4 COMP SCI 39535 38% 0% 532
5 OOPSLA 33357 0% 50% 3
6 LANGUAGES COMPUTAT 33351 0% 25% 6
7 DATABASE SYST NEW PLICAT 29652 0% 67% 2
8 EPFL IC IIF LSIR 29652 0% 67% 2
9 COMP SCI ENGN 28664 16% 1% 223
10 BIG DATA INTELLIGENT COMP 22240 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 VLDB JOURNAL 300288 6% 15% 91
2 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 297845 14% 7% 205
3 GEOINFORMATICA 270503 5% 18% 66
4 ACM TRANSACTIONS ON DATABASE SYSTEMS 100473 4% 8% 60
5 WORLD WIDE WEB-INTERNET AND WEB INFORMATION SYSTEMS 54755 2% 7% 34
6 SIGMOD RECORD 39754 2% 6% 32
7 INFORMATION SYSTEMS 38492 4% 3% 51
8 DISTRIBUTED AND PARALLEL DATABASES 36152 2% 7% 25
9 DATA & KNOWLEDGE ENGINEERING 34583 3% 4% 44
10 KNOWLEDGE AND INFORMATION SYSTEMS 14372 2% 2% 27

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SPATIAL DATABASES 1300240 10% 43% 137 Search SPATIAL+DATABASES Search SPATIAL+DATABASES
2 SKYLINE QUERY 1210959 5% 83% 66 Search SKYLINE+QUERY Search SKYLINE+QUERY
3 TOP K QUERY 800613 4% 67% 54 Search TOP+K+QUERY Search TOP+K+QUERY
4 MOVING OBJECTS 694497 6% 34% 92 Search MOVING+OBJECTS Search MOVING+OBJECTS
5 SKYLINE 606762 3% 56% 49 Search SKYLINE Search SKYLINE
6 SPATIO TEMPORAL DATABASES 560421 3% 60% 42 Search SPATIO+TEMPORAL+DATABASES Search SPATIO+TEMPORAL+DATABASES
7 QUERY PROCESSING 545140 9% 20% 123 Search QUERY+PROCESSING Search QUERY+PROCESSING
8 CONTINUOUS QUERIES 419566 3% 44% 43 Search CONTINUOUS+QUERIES Search CONTINUOUS+QUERIES
9 UNCERTAIN DATA 334145 3% 32% 47 Search UNCERTAIN+DATA Search UNCERTAIN+DATA
10 TOP K 328781 2% 48% 31 Search TOP+K Search TOP+K

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 1


rank cluster_id2 link
1 19775 SIMILARITY SEARCH//HIGH DIMENSIONAL INDEXING//METRIC ACCESS METHODS
2 23859 CLAYTON INFORMAT TECHNOL//MOBILE INFORMATION SYSTEMS//INTERNATIONAL JOURNAL OF WEB AND GRID SERVICES
3 24704 DATA STREAM PROCESSING//CONTINUOUS QUERIES//STREAM PROCESSING
4 17195 B TREE//EXTENDIBLE HASHING//DICTIONARY MACHINE
5 33969 BOOLEAN GAMES//CETERIS PARIBUS PREFERENCES//MODAL LOGIC OF SUBSET SPACES
6 16632 DATA BROADCASTING//WIRELESS DATA BROADCAST//BROADCAST DISKS
7 18693 HEAVY HITTERS//DATA SYNOPSES//DATA STREAMS
8 28605 DATA CENTRIC STORAGE//STORAGE PLACEMENT//ALGORITHM PROTOCOL DESIGN
9 17737 TEMPORAL DATABASES//TRANSACTION TIME//VALID TIME
10 16180 SPACE FILLING CURVES//LINEAR QUADTREE//QUADTREE

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