Class information for:
Level 1: B TREE//EXTENDIBLE HASHING//DICTIONARY MACHINE

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
17195 1                   B TREE//EXTENDIBLE HASHING//DICTIONARY MACHINE 639

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 B TREE authKW 363141 4% 27% 27
2 EXTENDIBLE HASHING authKW 221941 1% 75% 6
3 DICTIONARY MACHINE authKW 197283 1% 100% 4
4 DECLUSTERING authKW 197263 2% 29% 14
5 2 3 TREES authKW 147962 0% 100% 3
6 BOUNDED DISORDER authKW 147962 0% 100% 3
7 DICTIONARY OPERATIONS authKW 147962 0% 100% 3
8 EXPONENTIAL POTENTIAL FUNCTION authKW 147962 0% 100% 3
9 MULTILEVEL GRID FILES authKW 147962 0% 100% 3
10 PARTIAL MATCH QUERY PMQ authKW 147962 0% 100% 3

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Computer Science, Information Systems 21939 48% 0% 309
2 Computer Science, Theory & Methods 13182 39% 0% 252
3 Computer Science, Software Engineering 10402 30% 0% 189
4 Computer Science, Hardware & Architecture 3626 14% 0% 87
5 Computer Science, Artificial Intelligence 604 9% 0% 55
6 Mathematics, Applied 316 10% 0% 64
7 COMPUTER APPLICATIONS & CYBERNETICS 293 1% 0% 4
8 Engineering, Electrical & Electronic 170 12% 0% 77
9 Information Science & Library Science 36 1% 0% 9
10 Geography, Physical 6 1% 0% 5

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 CLW 49321 0% 100% 1
2 COMP SOFTWARE TECHNOL S 49321 0% 100% 1
3 GEMINI STORAGE SYST 49321 0% 100% 1
4 HUFAST 49321 0% 100% 1
5 IMAG INFORMAT PARALLELISME 49321 0% 100% 1
6 INFORMAT SCI EE 49321 0% 100% 1
7 INTERNET PLICANCE JAVA SW TEAM 49321 0% 100% 1
8 YOO SUNG KU 49321 0% 100% 1
9 ALFRED P SLOAN MANAGEMENT COORDINAT SCI 24659 0% 50% 1
10 GEOG INFORMAT PROC 24659 0% 50% 1

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ACM TRANSACTIONS ON DATABASE SYSTEMS 89399 6% 5% 38
2 INFORMATION SYSTEMS 35766 5% 2% 33
3 ACTA INFORMATICA 19139 3% 2% 21
4 BIT 16419 2% 3% 11
5 COMPUTER JOURNAL 14041 4% 1% 28
6 INFORMATION PROCESSING LETTERS 13541 7% 1% 42
7 INTERNATIONAL JOURNAL OF COMPUTER & INFORMATION SCIENCES 11514 1% 5% 5
8 BIT NUMERICAL MATHEMATICS 9387 3% 1% 17
9 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 9017 4% 1% 24
10 LECTURE NOTES IN COMPUTER SCIENCE 8475 19% 0% 124

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 B TREE 363141 4% 27% 27 Search B+TREE Search B+TREE
2 EXTENDIBLE HASHING 221941 1% 75% 6 Search EXTENDIBLE+HASHING Search EXTENDIBLE+HASHING
3 DICTIONARY MACHINE 197283 1% 100% 4 Search DICTIONARY+MACHINE Search DICTIONARY+MACHINE
4 DECLUSTERING 197263 2% 29% 14 Search DECLUSTERING Search DECLUSTERING
5 2 3 TREES 147962 0% 100% 3 Search 2+3+TREES Search 2+3+TREES
6 BOUNDED DISORDER 147962 0% 100% 3 Search BOUNDED+DISORDER Search BOUNDED+DISORDER
7 DICTIONARY OPERATIONS 147962 0% 100% 3 Search DICTIONARY+OPERATIONS Search DICTIONARY+OPERATIONS
8 EXPONENTIAL POTENTIAL FUNCTION 147962 0% 100% 3 Search EXPONENTIAL+POTENTIAL+FUNCTION Search EXPONENTIAL+POTENTIAL+FUNCTION
9 MULTILEVEL GRID FILES 147962 0% 100% 3 Search MULTILEVEL+GRID+FILES Search MULTILEVEL+GRID+FILES
10 PARTIAL MATCH QUERY PMQ 147962 0% 100% 3 Search PARTIAL+MATCH+QUERY+PMQ Search PARTIAL+MATCH+QUERY+PMQ

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 20963 SUPERMARKET MODEL//CUCKOO HASHING//CELL PROBE MODEL
2 10483 QUERY OPTIMIZATION//MULTIPLE QUERY OPTIMIZATION//PARALLEL QUERY PROCESSING
3 7228 SPATIAL DATABASES//SKYLINE QUERY//TOP K QUERY
4 10184 CONTRACTION METHOD//RANDOM TREES//BINARY SEARCH TREE
5 17823 DISTRIBUTED INFORMATION RETRIEVAL//SIGNATURE FILE//SUPERIMPOSED CODING
6 16180 SPACE FILLING CURVES//LINEAR QUADTREE//QUADTREE
7 15422 HEAPSORT//SPLAY TREES//EXTERNAL SORTING
8 19775 SIMILARITY SEARCH//HIGH DIMENSIONAL INDEXING//METRIC ACCESS METHODS
9 29969 PARALLEL MEMORY//STORAGE SCHEMES//CONFLICT FREE ACCESS
10 9497 CONCURRENCY CONTROL//REAL TIME DATABASE//TRANSACTION PROCESSING

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