Class information for:
Level 1: SPATIAL DATABASES//SKYLINE QUERY//MOVING OBJECTS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
6560 1470 29.9 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
1774 2             PACKET CLASSIFICATION//SPATIAL DATABASES//SIMILARITY SEARCH 6381
6560 1                   SPATIAL DATABASES//SKYLINE QUERY//MOVING OBJECTS 1470

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 SPATIAL DATABASES authKW 1066760 9% 40% 127
2 SKYLINE QUERY authKW 992392 4% 84% 57
3 MOVING OBJECTS authKW 953691 7% 43% 108
4 TOP K QUERY authKW 610394 3% 64% 46
5 SKYLINE authKW 596816 3% 57% 50
6 QUERY PROCESSING authKW 517872 8% 21% 121
7 SPATIO TEMPORAL DATABASES authKW 513431 3% 60% 41
8 CONTINUOUS QUERIES authKW 343348 3% 42% 39
9 GEOINFORMATICA journal 282372 5% 20% 68
10 UNCERTAIN DATA authKW 264455 3% 31% 41

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, Information Systems 125348 75% 1% 1105
2 Computer Science, Artificial Intelligence 15249 27% 0% 394
3 Computer Science, Software Engineering 9428 19% 0% 276
4 Computer Science, Theory & Methods 8969 22% 0% 321
5 Computer Science, Hardware & Architecture 6066 12% 0% 171
6 Telecommunications 2111 11% 0% 155
7 Geography, Physical 2066 7% 0% 96
8 Engineering, Electrical & Electronic 1282 19% 0% 283
9 Geography 285 2% 0% 33
10 Information Science & Library Science 50 1% 0% 17

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 CLAYTON INFORMAT TECHNOL 152817 3% 20% 37
2 BIG DATA INTELLIGENT COMP ZHEJIANG PROV 66465 0% 80% 4
3 INTELLIGENT DATABASE 41541 0% 100% 2
4 COMP SCI 34691 34% 0% 504
5 OOPSLA 31153 0% 50% 3
6 EPFL IC IIF LSIR 27693 0% 67% 2
7 COMP SCI ENGN 25003 14% 1% 207
8 BEIJING BIG DATA MANAGEMENT ANAL METHOD 23363 0% 38% 3
9 LANGUAGES COMPUTAT 21628 0% 21% 5
10 ALB COM GRP 20771 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 GEOINFORMATICA 282372 5% 20% 68
2 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 254786 13% 6% 192
3 VLDB JOURNAL 249529 6% 14% 84
4 MOBILE INFORMATION SYSTEMS 151000 4% 11% 64
5 ACM TRANSACTIONS ON DATABASE SYSTEMS 71541 4% 7% 52
6 WORLD WIDE WEB-INTERNET AND WEB INFORMATION SYSTEMS 41144 2% 7% 29
7 INFORMATION SYSTEMS 35348 3% 3% 50
8 DATA & KNOWLEDGE ENGINEERING 26985 3% 3% 40
9 DISTRIBUTED AND PARALLEL DATABASES 22000 1% 5% 20
10 SIGMOD RECORD 21280 2% 4% 24

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 SPATIAL DATABASES 1066760 9% 40% 127 Search SPATIAL+DATABASES Search SPATIAL+DATABASES
2 SKYLINE QUERY 992392 4% 84% 57 Search SKYLINE+QUERY Search SKYLINE+QUERY
3 MOVING OBJECTS 953691 7% 43% 108 Search MOVING+OBJECTS Search MOVING+OBJECTS
4 TOP K QUERY 610394 3% 64% 46 Search TOP+K+QUERY Search TOP+K+QUERY
5 SKYLINE 596816 3% 57% 50 Search SKYLINE Search SKYLINE
6 QUERY PROCESSING 517872 8% 21% 121 Search QUERY+PROCESSING Search QUERY+PROCESSING
7 SPATIO TEMPORAL DATABASES 513431 3% 60% 41 Search SPATIO+TEMPORAL+DATABASES Search SPATIO+TEMPORAL+DATABASES
8 CONTINUOUS QUERIES 343348 3% 42% 39 Search CONTINUOUS+QUERIES Search CONTINUOUS+QUERIES
9 UNCERTAIN DATA 264455 3% 31% 41 Search UNCERTAIN+DATA Search UNCERTAIN+DATA
10 UNCERTAIN DATABASES 251750 1% 61% 20 Search UNCERTAIN+DATABASES Search UNCERTAIN+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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 GAO, YJ , MIAO, XY , CUI, HY , CHEN, G , LI, Q , (2014) PROCESSING K-SKYBAND, CONSTRAINED SKYLINE, AND GROUP-BY SKYLINE QUERIES ON INCOMPLETE DATA.EXPERT SYSTEMS WITH APPLICATIONS. VOL. 41. ISSUE 10. P. 4959 -4974 24 89% 3
2 ILARRI, S , MENA, E , ILLARRAMENDI, A , (2010) LOCATION-DEPENDENT QUERY PROCESSING: WHERE WE ARE AND WHERE WE ARE HEADING.ACM COMPUTING SURVEYS. VOL. 42. ISSUE 3. P. - 47 47% 24
3 ZHANG, HC , LU, F , CHEN, J , (2016) A LINE GRAPH-BASED CONTINUOUS RANGE QUERY METHOD FOR MOVING OBJECTS IN NETWORKS.ISPRS INTERNATIONAL JOURNAL OF GEO-INFORMATION. VOL. 5. ISSUE 12. P. - 22 92% 0
4 ZHOU, X , LI, KL , ZHOU, YT , LI, KQ , (2016) ADAPTIVE PROCESSING FOR DISTRIBUTED SKYLINE QUERIES OVER UNCERTAIN DATA.IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING. VOL. 28. ISSUE 2. P. 371 -384 14 93% 8
5 GAO, YJ , LIU, Q , MIAO, XY , YANG, JC , (2016) REVERSE K-NEAREST NEIGHBOR SEARCH IN THE PRESENCE OF OBSTACLES.INFORMATION SCIENCES. VOL. 330. ISSUE . P. 274 -292 17 100% 2
6 TANIAR, D , RAHAYU, W , (2015) A TAXONOMY FOR REGION QUERIES IN SPATIAL DATABASES.JOURNAL OF COMPUTER AND SYSTEM SCIENCES. VOL. 81. ISSUE 8. P. 1508 -1531 22 88% 1
7 AL-KHALIDI, H , TANIAR, D , BETTS, J , ALAMRI, S , (2014) MONITORING MOVING QUERIES INSIDE A SAFE REGION.SCIENTIFIC WORLD JOURNAL. VOL. . ISSUE . P. - 22 88% 1
8 ZHOU, X , ZHENG, F , ZENG, YF , XIAO, GQ , ZHOU, YT , (2016) EFFECTIVE APPROACH FOR AN EXTENDED P-SKYLINE QUERY.JOURNAL OF INTELLIGENT & FUZZY SYSTEMS. VOL. 31. ISSUE 2. P. 849 -858 21 88% 0
9 CHEN, G , LI, Q , GAO, YJ , LIU, Q , CHEN, L , (2015) EFFICIENT ALGORITHMS FOR FINDING THE MOST DESIRABLE SKYLINE OBJECTS.KNOWLEDGE-BASED SYSTEMS. VOL. 89. ISSUE . P. 250 -264 19 95% 1
10 CHO, HJ , KWON, SJ , CHUNG, TS , (2013) A SAFE EXIT ALGORITHM FOR CONTINUOUS NEAREST NEIGHBOR MONITORING IN ROAD NETWORKS.MOBILE INFORMATION SYSTEMS. VOL. 9. ISSUE 1. P. 37-53 18 100% 9

Classes with closest relation at Level 1


Rank Class id link
1 17082 SIMILARITY SEARCH//HIGH DIMENSIONAL INDEXING//METRIC ACCESS METHODS
2 34753 GREEN IT TECHNOLOGY//ONTOLOGY EXTRACTION//END DEVICE CONTROL
3 23717 DATA STREAM PROCESSING//CONTINUOUS QUERIES//DATA STREAMS
4 13644 DATA BROADCASTING//WIRELESS DATA BROADCAST//BROADCAST DISKS
5 17956 LOCATION PRIVACY//PARTICIPATORY SENSING//MOBILE CROWD SENSING
6 37282 BITMAP INDEX//TRAFFIC ARCHIVAL//BITMAP COMPRESSION
7 14858 FUZZY DATABASES//FUZZY FUNCTIONAL DEPENDENCY//FUZZY RELATIONAL DATABASES
8 28812 DATA SYNOPSES//SELECTIVITY ESTIMATION//MULTIDIMENSIONAL DATA MANAGEMENT
9 30128 SPATIAL ASSOCIATION RULES//SPATIAL DATA MINING//SPATIAL CO LOCATION PATTERNS
10 10848 HUMAN MOBILITY//MOBILE PHONE DATA//SENSEABLE CITY

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