Call Number Types
Horizon comes with seven default call number types:
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National Library of Medicine |
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Universal Decimal Classification |
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Superintendent of Documents |
If you want to, you can set up new call number types, or update the default call number types. You determine these parameters when you create call number types:
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How call numbers are processed |
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The call number index in which call numbers appear |
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Which statistics are reported by call number |
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Where a call number is broken for spine labels |
Horizon comes with a default set of indexes, processors, and spine breakers used to define call number types. If you need to change these defaults or set up a call number type that is based on indexes, processors, or spine labels different from the defaults, consult your Library Consultant or Project Lead.
Before you change your call number types, you need to understand how call number types interact with other aspects of the Horizon system:
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Processing call numbers for indexing. Call numbers that go in the same index should be processed by the same processor. For example, you may set up one call type for adult non-fiction materials and another call type for juvenile non-fiction materials, both using the Dewey Decimal System. You might want all the call numbers to appear in the Dewey Call Number Browse index, yet have the statistics maintained separately. Each call_type would be assigned the same index and the same processor. |
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Call numbers and spine breakers. When you set up a call number type, you determine which spine breaker code you want to use. The spine breaker determines where call numbers will be divided when they are printed on spine labels. |
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Call numbers, collections, and statistics. Call number types let you generate detailed circulation statistics about a collection according to its call number type and range. For example, you could generate statistics for books on sculpture (Dewey Decimal call numbers 730 to 738) or statistics for books on fishing and hunting (799 to 799.9). In addition, you can break down a call number type (such as Dewey Decimal or Library of Congress) into call number ranges (such as AC-AE, AF-AG, and so forth). Your ranges can be as narrow or as broad as you want. Horizon tracks statistics for the ranges in each type. |
Before you can break a collection down into call number groups for statistics, you must first identify the call number type used by a collection. Some libraries use only standard call numbers (Library of Congress or Dewey Decimal), while others use local call numbers that may or may not be based on the standards. You can also use a combination of standard and local call numbers within a single library. (You assign a collection to a call number type by entering the type in the collection’s record. When you create item records, you assign a collection to the item. That collection determines the call number type for the item.)
More than one collection can use the same call number type, which may limit the detail of your statistical reports. For example, if a public library has audio/visual and juvenile collections using the same call number type, the reports will not indicate what collection the items come from. In this case, you may want to add separate call number types for juvenile and audio/visual materials to collect separate call number statistics for these collections. To do this, add new call number types with codes such as “Avddc” or “Avlc.”
You define the call number types by assigning ranges of call numbers to call number types. If you want separate statistics for a range, assign the range to its own group. (For example, if you want separate statistics for books with call numbers that begin with a letter between BF and BG, assign that range to its own group. If you want combined statistics for several ranges, assign them to the same group.)
Before creating call number types, set up these items:
To set up call number types
View: call_type
Process: Administration\System Setup\Call # Types
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In these fields, do the following: |
Call No. Type
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Enter the code that identifies the call number type.
This code can contain up to seven characters. (For example, you might enter “lc” to refer to the Library of Congress call number system.)
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Description
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Enter a description of the call number type.
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MQ Index
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Enter or choose the code for the search index that determines how the items of the call number type are indexed.
Use one of these default indexes corresponding to the appropriate call number type:
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calldd. Dewey Decimal call numbers. |
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calllc. Library of Congress call numbers. |
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callnlm. National Library of Medicine call numbers. |
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callsd. Superintendent of Documents call numbers. |
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calludc. Universal Decimal Classification call numbers. |
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Processor
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Enter or choose the code for the processor that you want.
The processor determines how call numbers of a call type are processed during retrieval. These are the default processors that you can use:
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dewey. Dewey Decimal call number processor. |
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lc. Library of Congress call number processor. |
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nlm. National Library of Medicine call number processor. |
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sudoc. Superintendent of Documents call number processor. |
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udc. Universal Decimal Classification from the call number or MARC tag. |
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Spine Breaker
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Enter or choose for the spine breaker code that controls how lines break on printed spine labels.
A spine breaker code specifies a procedure used to break up the call number for printing spine labels. These are the default spine breaker codes that you can use:
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dewey. Dewey Decimal call number spine breaker. |
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lc. Library of Congress call number spine breaker. |
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nlm. NLM call number spine breaker. |
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sudoc. Superintendent of Documents call number spine breaker. |
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udc. Universal Decimal Classification call number spine breaker. |
For more information, see Specifying Spine Breaker Categories.
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Stat Groupings Group
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Enter the first call number for the first range in the Beginning Call No. field. |
For example, if you are setting up Library of Congress call number ranges, you would enter “AC” as the beginning of the first range.
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Enter the ISTAT code to link the call number type to an item statistical class. |
This link lets Horizon generate statistics based on call number types. (For example, if you want to run statistics for the first Library of Congress range AE, you would enter the ISTAT for Collections.)
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Click New on the Stat Groupings group to display a blank group entry. |
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Enter the first call number for the next range in the call number group in the Beginning Call No. field. |
(For the Library of Congress example, the second range would begin with AE. This number also acts as the end of the first range.)
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Repeat steps 1 through 4 in this table for each remaining range. |
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