Most common prediction errors in the three-digit DDC prediction task
| Freq. | Predicted DDC class | Assigned libris DDC class |
|---|---|---|
| 26 | 839 Other Germanic literature | 782 Vocal music |
| 24 | 839 Other Germanic literature | 920 Biography, genealogy, insignia |
| 23 | 839 Other Germanic literature | 791 Public performances |
| 22 | 371 Schools and their activities, special education | 370 Education |
| 20 | 839 Other Germanic literature | 783 Music for single voices |
| 19 | 948 Scandinavia | 914 Geography of and travel in Europe |
| 19 | 759 Painters--History, geographic treatment, biography | 709 Arts–History, geographic treatment, biography |
| 17 | 362 Social problems of and services to groups of people | 616 Diseases |
| 15 | 371 Schools and their activities, special education | 372 Primary education (elementary education) |
| 14 | 616 Diseases | 362 Social problems of and services to groups of people |
| 13 | 616 Diseases | 618 Gynaecology, obstetrics, paediatrics, geriatrics |
| 12 | 839 Other Germanic literature | 306 Culture and institutions |
| 12 | 914 Geography of and travel in Europe | 948 Scandinavia |
| 11 | 839 Other Germanic literature | 914 Geography of and travel in Europe |
| 11 | 510 Mathematics | 372 Primary education (elementary education) |
| 11 | 372 Primary education (elementary education) | 371 Schools and their activities, special education |
| 10 | 783 Music for single voices | 782 Vocal music |
| 10 | 839 Other Germanic literature | 809 History, description, critical appraisal of more than two literature |
| 10 | 839 Other Germanic literature | 439 Other Germanic languages |
| 10 | 362 Social problems of and services to groups of people | 305 Groups of people |
| Freq. | Predicted DDC class | Assigned libris DDC class |
|---|---|---|
| 26 | 839 Other Germanic literature | 782 Vocal music |
| 24 | 839 Other Germanic literature | 920 Biography, genealogy, insignia |
| 23 | 839 Other Germanic literature | 791 Public performances |
| 22 | 371 Schools and their activities, special education | 370 Education |
| 20 | 839 Other Germanic literature | 783 Music for single voices |
| 19 | 948 Scandinavia | 914 Geography of and travel in Europe |
| 19 | 759 Painters--History, geographic treatment, biography | 709 Arts–History, geographic treatment, biography |
| 17 | 362 Social problems of and services to groups of people | 616 Diseases |
| 15 | 371 Schools and their activities, special education | 372 Primary education (elementary education) |
| 14 | 616 Diseases | 362 Social problems of and services to groups of people |
| 13 | 616 Diseases | 618 Gynaecology, obstetrics, paediatrics, geriatrics |
| 12 | 839 Other Germanic literature | 306 Culture and institutions |
| 12 | 914 Geography of and travel in Europe | 948 Scandinavia |
| 11 | 839 Other Germanic literature | 914 Geography of and travel in Europe |
| 11 | 510 Mathematics | 372 Primary education (elementary education) |
| 11 | 372 Primary education (elementary education) | 371 Schools and their activities, special education |
| 10 | 783 Music for single voices | 782 Vocal music |
| 10 | 839 Other Germanic literature | 809 History, description, critical appraisal of more than two literature |
| 10 | 839 Other Germanic literature | 439 Other Germanic languages |
| 10 | 362 Social problems of and services to groups of people | 305 Groups of people |
Note(s): The class headings are shown here in English, although Swedish DDC was used in the experiment
Source(s): Authors’ own creation