WebDewey search indexes
Find the search indexes available in WebDewey and learn how to combine terms in one or more indexes.
WebDewey search indexes
| Index (label) | Included fields | Example | Tips/Why use? |
|---|---|---|---|
| Dewey Numbers (dd:) |
All Dewey entry numbers in the schedules, tables, manual, and Relative Index | 610.73 | Find all occurrences of a specific DDC class number. Use truncation to match all class numbers that begin with the same sequence of digits. |
| Relative Index (ri:) |
Words in the Relative Index, including See Also and See Manual entries | health | Find records that encompass a subject in the context of various disciplines. |
| Captions (cp:) |
Words in the captions | bibliographies | Find a record for a DDC number when you know the caption or part of the caption. Determine whether a term is part of a DDC caption. |
| Notes (nt:) |
Words and Dewey numbers in the notes fields of the schedules, tables, and manual | geologic | Find special instructions regarding a subject or a class number. |
| All Dewey (ad:) |
All data included in these indexes: Dewey Numbers, Captions, Relative Index, and Notes | deity | Omit the mapped LCSH from the search. |
| LCSH (lc:) |
Words in all Library of Congress subject headings (LCSH) that have been mapped to DDC class numbers, either editorially or statistically | flyball | Determine whether an LCSH term has been associated with a DDC class number, either by the DDC editors or by a statistical process. |
| MeSH (hm:) |
Words in all National Library of Medicine subject headings (MESH) that have been mapped to DDC class numbers. | cancer | Determine whether a MeSH term has been associated with a DDC class number. |
| Number Components | Dewey numbers and components (schedules or tables) | T1--071 | Find all built numbers that use the specified component |
| Author | Authorization number | 100401234 | Find all built numbers contributed by the specified authorization |
| Comments | Words in user comments in the schedules, table, and manual | local | Find all records with comments using the specified word(s) |
| All Fields (al:) |
All fields/data included in all indexes of the WebDewey database | cookies | Improve results when a search on another index produces too few hits. Find all occurrences of a term in the database. |
Combine terms in one index
| To specify | Enter | Example |
|---|---|---|
| Multiple terms, all terms required (AND) | [term1] [term2] Or [term1] and [term2] A space between terms is treated as an and. |
transportation safety |
| Multiple terms, at least one term required (OR) | [term1] or [term2] | radiography or radiology |
| One or more terms that must not be found (NOT) | [term1] [term2] not [term3] Or [term1] or [term2] not [term3] |
college education not secondary |
| One or more groups of terms combined with other terms (parentheses) | [term1] ([term2] or [term3]) [term1] or ([term2] or [term3]) [term1] or ([term2] [term3]) |
education (college or university) graduate or (college or university) graduate or (college university) |
Combine terms in multiple indexes
| Operator | Retrieves | Example |
|---|---|---|
| AND (default) |
Records that contain both of the combined terms in the field(s) specified for each term. | food [All Fields] and 613* [Dewey Numbers] |
| OR | Records that contain at least 1 of the combined terms in the field(s) specified for that term; records can contain either term or both terms. | food [All Fields] or 613* [Dewey Numbers] |
| NOT | Records that do not contain the term that follows NOT in the field(s) specified. | food [All Fields] or 613* [Dewey Numbers] not supply [All Fields] |
Stopwords
The following common words are omitted from all WebDewey indexes. The system ignores these words if you include them in a query.
| a | an | and | as | at |
| be | by | for | from | in |
| is | of | on | that | the |
| to | with |