Class information for: |
Basic class information |
| ID | Publications | Average number of references |
Avg. shr. active ref. in WoS |
|---|---|---|---|
| 9250 | 1105 | 25.6 | 21% |
Classes in level above (level 2) |
| ID, lev. above |
Publications | Label for level above |
|---|---|---|
| 472 | 15064 | ACM TRANSACTIONS ON DATABASE SYSTEMS//INFORMATION SYSTEMS//DATA & KNOWLEDGE ENGINEERING |
Terms with highest relevance score |
| Rank | Term | Type of term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
|---|---|---|---|---|---|---|
| 1 | DISTRIBUTED DATABASE DESIGN | Author keyword | 26 | 87% | 1% | 13 |
| 2 | DISTRIBUTED DATABASE SYSTEM | Author keyword | 7 | 40% | 1% | 14 |
| 3 | QUERY OPTIMIZATION | Author keyword | 7 | 12% | 5% | 55 |
| 4 | FRAGMENT ALLOCATION | Author keyword | 6 | 80% | 0% | 4 |
| 5 | BLOCK ACCESSES | Author keyword | 6 | 100% | 0% | 4 |
| 6 | PARALLEL QUERY PROCESSING | Author keyword | 5 | 39% | 1% | 11 |
| 7 | JOIN QUERY | Author keyword | 5 | 50% | 1% | 7 |
| 8 | JOIN PROCESSING | Author keyword | 5 | 55% | 1% | 6 |
| 9 | VERTICAL FRAGMENTATION | Author keyword | 5 | 55% | 1% | 6 |
| 10 | PARALLEL DATABASE SYSTEMS | Author keyword | 4 | 47% | 1% | 7 |
Web of Science journal categories |
Author Key Words |
| Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | DISTRIBUTED DATABASE DESIGN | 26 | 87% | 1% | 13 | Search DISTRIBUTED+DATABASE+DESIGN | Search DISTRIBUTED+DATABASE+DESIGN |
| 2 | DISTRIBUTED DATABASE SYSTEM | 7 | 40% | 1% | 14 | Search DISTRIBUTED+DATABASE+SYSTEM | Search DISTRIBUTED+DATABASE+SYSTEM |
| 3 | QUERY OPTIMIZATION | 7 | 12% | 5% | 55 | Search QUERY+OPTIMIZATION | Search QUERY+OPTIMIZATION |
| 4 | FRAGMENT ALLOCATION | 6 | 80% | 0% | 4 | Search FRAGMENT+ALLOCATION | Search FRAGMENT+ALLOCATION |
| 5 | BLOCK ACCESSES | 6 | 100% | 0% | 4 | Search BLOCK+ACCESSES | Search BLOCK+ACCESSES |
| 6 | PARALLEL QUERY PROCESSING | 5 | 39% | 1% | 11 | Search PARALLEL+QUERY+PROCESSING | Search PARALLEL+QUERY+PROCESSING |
| 7 | JOIN QUERY | 5 | 50% | 1% | 7 | Search JOIN+QUERY | Search JOIN+QUERY |
| 8 | JOIN PROCESSING | 5 | 55% | 1% | 6 | Search JOIN+PROCESSING | Search JOIN+PROCESSING |
| 9 | VERTICAL FRAGMENTATION | 5 | 55% | 1% | 6 | Search VERTICAL+FRAGMENTATION | Search VERTICAL+FRAGMENTATION |
| 10 | PARALLEL DATABASE SYSTEMS | 4 | 47% | 1% | 7 | Search PARALLEL+DATABASE+SYSTEMS | Search PARALLEL+DATABASE+SYSTEMS |
Key Words Plus |
| Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
|---|---|---|---|---|---|
| 1 | FILE ALLOCATION | 12 | 75% | 1% | 9 |
| 2 | DATABASE ORGANIZATIONS | 8 | 75% | 1% | 6 |
| 3 | FAST LOCAL NETWORKS | 6 | 80% | 0% | 4 |
| 4 | DATABASE LOCATION | 4 | 75% | 0% | 3 |
| 5 | DATABASE SYSTEMS | 4 | 14% | 2% | 25 |
| 6 | DATABASE MIGRATION | 3 | 100% | 0% | 3 |
| 7 | ESTIMATING BLOCK ACCESSES | 3 | 100% | 0% | 3 |
| 8 | JOIN OPERATIONS | 3 | 100% | 0% | 3 |
| 9 | QUERY OPTIMIZATION | 3 | 23% | 1% | 10 |
| 10 | NUMERIC ONLINE DATABANKS | 2 | 67% | 0% | 2 |
Journals |
Reviews |
| Title | Publ. year | Cit. | Active references | % act. ref. to same field |
|---|---|---|---|---|
| JOIN PROCESSING IN RELATIONAL DATABASES | 1992 | 99 | 28 | 71% |
| QUERY EVALUATION TECHNIQUES FOR LARGE DATABASES | 1993 | 174 | 67 | 34% |
| Perspectives on operations research in data and knowledge management | 1998 | 14 | 64 | 25% |
| QUERY OPTIMIZATION IN DATABASE-SYSTEMS | 1984 | 126 | 40 | 55% |
| LOCATION OF SOFTWARE IN DISTRIBUTED COMPUTING SYSTEMS | 1989 | 3 | 7 | 57% |
| ARCHITECTURE OF DATABASE MACHINES | 1988 | 0 | 4 | 100% |
| PARALLEL ARCHITECTURES FOR DATABASE-SYSTEMS | 1989 | 0 | 11 | 82% |
| DATABASE MACHINE-DESIGN AND PERFORMANCE EVALUATION - ANNOTATED-BIBLIOGRAPHY | 1987 | 0 | 12 | 83% |
| ON RANDOMIZATION IN SEQUENTIAL AND DISTRIBUTED ALGORITHMS | 1994 | 24 | 111 | 2% |
Address terms |
| Rank | Address term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
|---|---|---|---|---|---|
| 1 | GSCIT | 4 | 56% | 0.5% | 5 |
| 2 | HIGH PERFORMANCE TECHNOL | 2 | 67% | 0.2% | 2 |
| 3 | CLUJ N OCA MATH COMP SCI | 1 | 100% | 0.2% | 2 |
| 4 | ADV DATABASE SYST PLICAT | 1 | 40% | 0.2% | 2 |
| 5 | DATABASE SYST DEV | 1 | 21% | 0.3% | 3 |
| 6 | CEPBA IBM | 1 | 50% | 0.1% | 1 |
| 7 | COMMAND CONTROL DIRECTORATE | 1 | 50% | 0.1% | 1 |
| 8 | COMP SCI ELECT ENGN INFORMAT TECHNOL | 1 | 50% | 0.1% | 1 |
| 9 | CS PROGRAM | 1 | 50% | 0.1% | 1 |
| 10 | DATABASE MULTIMEDIA | 1 | 50% | 0.1% | 1 |
Related classes at same level (level 1) |
| Rank | Relatedness score | Related classes |
|---|---|---|
| 1 | 0.0000225716 | MULTIPLE QUERY OPTIMIZATION//DATA STREAM PROCESSING//CONTINUOUS QUERIES |
| 2 | 0.0000131363 | EXTENDIBLE HASHING//BOUNDED DISORDER//DICTIONARY MACHINE |
| 3 | 0.0000121367 | DATA SYNOPSES//RESERVOIR SAMPLING//SELECTIVITY ESTIMATION |
| 4 | 0.0000116350 | OBJECT ORIENTED DATABASES//FUNCTIONAL DATA MODEL//OBJECT ALGEBRA |
| 5 | 0.0000108414 | CONCURRENCY CONTROL//TRANSACTION PROCESSING//REAL TIME DATABASE SYSTEMS |
| 6 | 0.0000104641 | SUPERIMPOSED CODING//SIGNATURE FILE//SIGNATURE FILES |
| 7 | 0.0000091631 | MAPREDUCE//LARGE SCALE DATA PROCESSING//ARRAY DATABASES |
| 8 | 0.0000088444 | LUCENTIA GRP//OLAP//DATA WAREHOUSES |
| 9 | 0.0000079011 | CERTAIN ANSWERS//SCHEMA MAPPINGS//RECURSIVE QUERY EVALUATION |
| 10 | 0.0000075896 | INTERGRATED COMMUN S//MULTICHANNEL DIVERSITY RECEPTION//MULTIPLE PULSE POSITION MODULATION |