Class information for:
Level 1: HEAVY HITTERS//DATA SYNOPSES//DATA STREAMS

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
31 3       COMPUTER SCIENCE, SOFTWARE ENGINEERING//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE 113161
1270 2             ACM TRANSACTIONS ON DATABASE SYSTEMS//QUERY OPTIMIZATION//INFORMATION SYSTEMS 9106
18693 1                   HEAVY HITTERS//DATA SYNOPSES//DATA STREAMS 564

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HEAVY HITTERS authKW 629574 2% 87% 13
2 DATA SYNOPSES authKW 574759 2% 86% 12
3 DATA STREAMS authKW 485738 12% 13% 66
4 RESERVOIR SAMPLING authKW 450757 2% 73% 11
5 FREQUENT ITEMS authKW 402324 2% 60% 12
6 APPROXIMATE QUERY PROCESSING authKW 325629 2% 45% 13
7 MIN WISE INDEPENDENCE authKW 279398 1% 100% 5
8 SELECTIVITY ESTIMATION authKW 262308 2% 36% 13
9 FREQUENT ELEMENTS authKW 167639 1% 100% 3
10 FREQUENCY MOMENTS authKW 139694 1% 50% 5

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Computer Science, Information Systems 21625 51% 0% 288
2 Computer Science, Theory & Methods 8435 34% 0% 190
3 Computer Science, Hardware & Architecture 6059 19% 0% 105
4 Computer Science, Software Engineering 5520 23% 0% 130
5 Computer Science, Artificial Intelligence 2211 17% 0% 95
6 Telecommunications 1362 14% 0% 77
7 Engineering, Electrical & Electronic 449 19% 0% 105
8 Mathematics, Applied 413 12% 0% 67
9 Statistics & Probability 42 3% 0% 15
10 Mathematics 13 4% 0% 21

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYPERROLL INC 111759 0% 100% 2
2 DISCRETE MATH COMP SCI 100581 1% 60% 3
3 BI TELECOM PARISTECH EDF RD 55880 0% 100% 1
4 CNSRL 55880 0% 100% 1
5 COMPLEX EVENT RECOGNIT GRP 55880 0% 100% 1
6 DIPARTIMENTO ENGN INFORMAZIONE 55880 0% 100% 1
7 DISCRETE MATH COMP SCI DIMAC 55880 0% 100% 1
8 EFFICIENT COMPUTAT GRP 55880 0% 100% 1
9 EVENT DRIVEN DECIS TECHNOL GRP 55880 0% 100% 1
10 GLOBAL SCI INFOMAT COMPUTING 55880 0% 100% 1

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ACM TRANSACTIONS ON DATABASE SYSTEMS 54983 5% 4% 28
2 VLDB JOURNAL 48178 4% 4% 23
3 SIGMOD RECORD 21951 3% 3% 15
4 ACM SIGCOMM COMPUTER COMMUNICATION REVIEW 10085 3% 1% 15
5 DATA MINING AND KNOWLEDGE DISCOVERY 9096 2% 2% 10
6 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 8586 4% 1% 22
7 DATA & KNOWLEDGE ENGINEERING 7578 2% 1% 13
8 ACM TRANSACTIONS ON ALGORITHMS 5965 1% 2% 7
9 IEEE-ACM TRANSACTIONS ON NETWORKING 5085 3% 1% 16
10 JOURNAL OF COMPUTER AND SYSTEM SCIENCES 4194 2% 1% 13

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 HEAVY HITTERS 629574 2% 87% 13 Search HEAVY+HITTERS Search HEAVY+HITTERS
2 DATA SYNOPSES 574759 2% 86% 12 Search DATA+SYNOPSES Search DATA+SYNOPSES
3 DATA STREAMS 485738 12% 13% 66 Search DATA+STREAMS Search DATA+STREAMS
4 RESERVOIR SAMPLING 450757 2% 73% 11 Search RESERVOIR+SAMPLING Search RESERVOIR+SAMPLING
5 FREQUENT ITEMS 402324 2% 60% 12 Search FREQUENT+ITEMS Search FREQUENT+ITEMS
6 APPROXIMATE QUERY PROCESSING 325629 2% 45% 13 Search APPROXIMATE+QUERY+PROCESSING Search APPROXIMATE+QUERY+PROCESSING
7 MIN WISE INDEPENDENCE 279398 1% 100% 5 Search MIN+WISE+INDEPENDENCE Search MIN+WISE+INDEPENDENCE
8 SELECTIVITY ESTIMATION 262308 2% 36% 13 Search SELECTIVITY+ESTIMATION Search SELECTIVITY+ESTIMATION
9 FREQUENT ELEMENTS 167639 1% 100% 3 Search FREQUENT+ELEMENTS Search FREQUENT+ELEMENTS
10 FREQUENCY MOMENTS 139694 1% 50% 5 Search FREQUENCY+MOMENTS Search FREQUENCY+MOMENTS

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 24704 DATA STREAM PROCESSING//CONTINUOUS QUERIES//STREAM PROCESSING
2 18741 CONCEPT DRIFT//DATA STREAMS//DATA STREAM CLASSIFICATION
3 10483 QUERY OPTIMIZATION//MULTIPLE QUERY OPTIMIZATION//PARALLEL QUERY PROCESSING
4 7734 TRAFFIC CLASSIFICATION//DDOS ATTACKS//IP TRACEBACK
5 26842 LEVERAGE SCORES//RANDOMIZED LINEAR ALGEBRA//STATISTICAL LEVERAGE
6 16415 COMMUNICATION COMPLEXITY//NEGATION LIMITED CIRCUIT//EXTENSION COMPLEXITY
7 7228 SPATIAL DATABASES//SKYLINE QUERY//TOP K QUERY
8 2064 ASSOCIATION RULES//DATA MINING//FREQUENT ITEMSETS
9 32022 HTTP PROTOCOL//NON PC SC//WIRELESS COMMUN TECH
10 8759 PACKET CLASSIFICATION//IP LOOKUP//CONTENT ADDRESSABLE MEMORY CAM

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