British Library last data update: 2020-11-26 number of records: 18,787,911
These scores are calculated for each continuing resources (type of record (LDR/6) is language material ('a') and bibliographic level (LDR/7) is serial component part ('b'), integrating resource ('i') or serial ('s')).
The calculation is based on a slightly modified version of the method published by Jamie Carlstone in the following paper:
Jamie Carlstone (2017) Scoring the Quality of E-Serials MARC Records Using Java, Serials Review, 43:3-4, pp. 271-277, DOI: 10.1080/00987913.2017.1350525 URL: https://www.tandfonline.com/doi/full/10.1080/00987913.2017.1350525
| criteria | score |
|---|---|
| date1 (008/07-11) is unknown ('uuuu') | -3 |
| place of publication (008/15) is unknown (~ 'xx.+') | -1 |
| publication language (008/35) is unknown (xxx) | -1 |
| has authentication code (042$a) | 7 |
| encoding level (LDR/17) is Full level (‘ ‘) or Full level, material not examined (1) or Full level input by OCLC participants (I) | 7 |
| encoding level (LDR/17) is Added from a batch process (M), L, or Minimal level input by OCLC participants (K), or Minimal level (7) | 1 |
| has 006 field | 1 |
| has publisher (260) | 1 |
| has production, publication, distribution (264) | 1 |
| has publication frequency (310) | 1 |
| has content type (336) | 1 |
| has dates of publication (362) | 1 |
| has source of description (588) | 1 |
| has no subject headings | -5 |
| for each subject headings | 1 |
| authentication code (042$a) = “ppc” | 100 |
| date1 begins with '0' | -100 |
The histograms of the individual components:
|
2. Date 1 is unknown |
3. Country of publication is unknown |
|
|
4. Publication language is unknown |
5. Authentication code is empty |
6. Encoding level is full |
|
7. Encoding level is M, L, K or 7 |
8. 006 is present |
9. Publisher 260 (AACR2) is present |
|
10. Publisher 264 (RDA) is present |
11. Publication frequency is present |
12. Content Type (336) is present |
|
13. Dates of Publication (362) is present |
14. Source of Description Note (588) is present |
15. No subject is present |
|
16. Subject is present |
17. Authentication Code is pcc |
18. First date (008/07) startes with 0 |
|
19. Encoding level is abbreviated |