Class information for:
Level 1: BITMAP INDEX//TRAFFIC ARCHIVAL//BITMAP COMPRESSION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
37282 62 26.4 26%


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
37282 1                   BITMAP INDEX//TRAFFIC ARCHIVAL//BITMAP COMPRESSION 62

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 BITMAP INDEX authKW 3783372 21% 59% 13
2 TRAFFIC ARCHIVAL authKW 1477534 5% 100% 3
3 BITMAP COMPRESSION authKW 1108149 5% 75% 3
4 SET SIMILARITY QUERY authKW 985023 3% 100% 2
5 PACKET INDEXING authKW 656680 3% 67% 2
6 3G WIRELESS NETWORK authKW 492511 2% 100% 1
7 AD HOC AGGREGATE QUERY authKW 492511 2% 100% 1
8 APPLICATION PARTITION authKW 492511 2% 100% 1
9 ATTRIBUTE ENCODING SCHEMES authKW 492511 2% 100% 1
10 BIG DATA PLATFORM authKW 492511 2% 100% 1

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 3883 65% 0% 40
2 Computer Science, Software Engineering 1083 31% 0% 19
3 Computer Science, Artificial Intelligence 225 16% 0% 10
4 COMPUTER APPLICATIONS & CYBERNETICS 187 2% 0% 1
5 Computer Science, Theory & Methods 126 13% 0% 8
6 Computer Science, Hardware & Architecture 120 8% 0% 5
7 Telecommunications 50 8% 0% 5
8 Engineering, Electrical & Electronic 35 16% 0% 10
9 Astronomy & Astrophysics 16 8% 0% 5
10 History & Philosophy of Science 12 2% 0% 1

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 ESCUELA INFORMAT TELECOMUN 492511 2% 100% 1
2 PHILOSOPHY LEG 492511 2% 100% 1
3 CSAS 463534 6% 24% 4
4 LICEF 439734 8% 18% 5
5 SINO GERMAN JOINT SOFTWARE JSI 246255 2% 50% 1
6 COMP TECHNOL PLICAT YUNNAN PROV 131333 3% 13% 2
7 SEAMANS ENGN ARTS SCI 4016 123126 2% 25% 1
8 CHINESE OBSERV 98501 2% 20% 1
9 SCI DATA MANAGEMENT GRP 82084 2% 17% 1
10 TELUQ 59695 3% 6% 2

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 TSINGHUA SCIENCE AND TECHNOLOGY 49639 8% 2% 5
2 ACM TRANSACTIONS ON DATABASE SYSTEMS 10043 6% 1% 4
3 VLDB JOURNAL 7545 5% 1% 3
4 INFORMATION SYSTEMS 5371 6% 0% 4
5 NEW ASTRONOMY REVIEWS 3627 5% 0% 3
6 JOURNAL OF INTELLIGENT INFORMATION SYSTEMS 3290 3% 0% 2
7 CHINA COMMUNICATIONS 3059 5% 0% 3
8 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 2618 6% 0% 4
9 TSI-TECHNIQUE ET SCIENCE INFORMATIQUES 2033 2% 0% 1
10 JOURNAL OF THE KOREAN ASTRONOMICAL SOCIETY 1960 2% 0% 1

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 BITMAP INDEX 3783372 21% 59% 13 Search BITMAP+INDEX Search BITMAP+INDEX
2 TRAFFIC ARCHIVAL 1477534 5% 100% 3 Search TRAFFIC+ARCHIVAL Search TRAFFIC+ARCHIVAL
3 BITMAP COMPRESSION 1108149 5% 75% 3 Search BITMAP+COMPRESSION Search BITMAP+COMPRESSION
4 SET SIMILARITY QUERY 985023 3% 100% 2 Search SET+SIMILARITY+QUERY Search SET+SIMILARITY+QUERY
5 PACKET INDEXING 656680 3% 67% 2 Search PACKET+INDEXING Search PACKET+INDEXING
6 3G WIRELESS NETWORK 492511 2% 100% 1 Search 3G+WIRELESS+NETWORK Search 3G+WIRELESS+NETWORK
7 AD HOC AGGREGATE QUERY 492511 2% 100% 1 Search AD+HOC+AGGREGATE+QUERY Search AD+HOC+AGGREGATE+QUERY
8 APPLICATION PARTITION 492511 2% 100% 1 Search APPLICATION+PARTITION Search APPLICATION+PARTITION
9 ATTRIBUTE ENCODING SCHEMES 492511 2% 100% 1 Search ATTRIBUTE+ENCODING+SCHEMES Search ATTRIBUTE+ENCODING+SCHEMES
10 BIG DATA PLATFORM 492511 2% 100% 1 Search BIG+DATA+PLATFORM Search BIG+DATA+PLATFORM

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 KIM, S , LEE, J , SATTI, SR , MOON, B , (2016) SBH: SUPER BYTE-ALIGNED HYBRID BITMAP COMPRESSION.INFORMATION SYSTEMS. VOL. 62. ISSUE . P. 155 -168 7 100% 1
2 CHEN, Z , WEN, YH , CAO, JW , ZHENG, WX , CHANG, JH , WU, YJ , MA, G , HAKMAOUI, M , PENG, GD , (2015) A SURVEY OF BITMAP INDEX COMPRESSION ALGORITHMS FOR BIG DATA.TSINGHUA SCIENCE AND TECHNOLOGY. VOL. 20. ISSUE 1. P. 100 -115 10 71% 2
3 WU, YJ , CHEN, Z , WEN, YH , ZHENG, WX , CAO, JW , (2016) COMBAT: A NEW BITMAP INDEX CODING ALGORITHM FOR BIG DATA.TSINGHUA SCIENCE AND TECHNOLOGY. VOL. 21. ISSUE 2. P. 136 -145 6 100% 0
4 LEMIRE, D , SSI-YAN-KAI, G , KASER, O , (2016) CONSISTENTLY FASTER AND SMALLER COMPRESSED BITMAPS WITH ROARING.SOFTWARE-PRACTICE & EXPERIENCE. VOL. 46. ISSUE 11. P. 1547 -1569 8 73% 0
5 WU, YJ , CHEN, Z , CAO, JW , LI, HX , LI, CX , WANG, YJ , ZHENG, WX , CHANG, JH , ZHOU, J , HU, ZW , ET AL (2016) CAMP: A NEW BITMAP INDEX FOR DATA RETRIEVAL IN TRAFFIC ARCHIVALN.IEEE COMMUNICATIONS LETTERS. VOL. 20. ISSUE 6. P. 1128 -1131 4 100% 0
6 KASER, O , LEMIRE, D , (2016) COMPRESSED BITMAP INDEXES: BEYOND UNIONS AND INTERSECTIONS.SOFTWARE-PRACTICE & EXPERIENCE. VOL. 46. ISSUE 2. P. 167 -198 6 55% 0
7 GUZUN, G , CANAHUATE, G , (2016) PERFORMANCE EVALUATION OF WORD-ALIGNED COMPRESSION METHODS FOR BITMAP INDICES.KNOWLEDGE AND INFORMATION SYSTEMS. VOL. 48. ISSUE 2. P. 277 -304 4 80% 0
8 KASER, O , GODIN, R , CHAMBI, S , LEMIRE, D , (2016) BETTER BITMAP PERFORMANCE WITH ROARING BITMAPS.SOFTWARE-PRACTICE & EXPERIENCE. VOL. 46. ISSUE 5. P. 709 -719 4 67% 2
9 GUZUN, G , CANAHUATE, G , (2016) HYBRID QUERY OPTIMIZATION FOR HARD-TO-COMPRESS BIT-VECTORS.VLDB JOURNAL. VOL. 25. ISSUE 3. P. 339 -354 4 57% 1
10 COLANTONIO, A , DI PIETRO, R , (2010) CONCISE: COMPRESSED 'N' COMPOSABLE INTEGER SET.INFORMATION PROCESSING LETTERS. VOL. 110. ISSUE 16. P. 644-650 2 100% 26

Classes with closest relation at Level 1


Rank Class id link
1 19976 SIGNATURE FILE//SUPERIMPOSED CODING//INVERTED FILE
2 11765 TEXT COMPRESSION//HUFFMAN CODES//DATA COMPRESSION
3 13344 DATA WAREHOUSE//OLAP//DATA WAREHOUSING
4 15336 MAPREDUCE//HADOOP//DATA INTENSIVE COMPUTING
5 30642 SYSTEMS BEYOND THIRD GENERATION//ICM N PG SP RC//MOBILE AND WIRELESS COMMUNICATIONS
6 27914 INFORMAT SCI INTELLIGENT SYST//TRIE STRUCTURES//NATURAL LANGUAGE DICTIONARIES
7 16180 GRAY CODE//ROTATION DISTANCE//UNIVERSAL CYCLES
8 17082 SIMILARITY SEARCH//HIGH DIMENSIONAL INDEXING//METRIC ACCESS METHODS
9 20510 TRAFFIC CLASSIFICATION//TRAFFIC IDENTIFICATION//APPLICATION IDENTIFICATION
10 6560 SPATIAL DATABASES//SKYLINE QUERY//MOVING OBJECTS

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