Service Group Definition and Customization Guide

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Global Options

The following table lists and describes the available Global Options. Not all Methods respond to all Global options, and the table shows for each option which Methods are valid. Also shown is the syntax used to invoke each option (i.e.

GOPT

XOPT

Global Option	Description	Valid for Method	Syntax
LENGTH	Usage LENGTH*number . Used to describe the length of the field used by the Entry Point. number can be a number from 1 to 255. This option MUST always be specified. For methods which use an Algorithm Name, this should be the same as the NAME-LENGTH Algorithm parameter.	REQUIRED FOR ALL METHODS	LENGTH=
Weight Modifying Options
VARMOD	This option causes the weight modifier to be increased by the number of words in the reference name. For example, if there are three words in the reference name, the method weight is multiplied by 3.	D, F, L, M	GOPT=
NULLS	Set the weight modifier to zero if the search name is empty. Conflicts with NULLE .	ALL	GOPT=
NULLF	Set the weight modifier to zero if the file name is empty. Conflicts with NULLE .	ALL	GOPT=
NULLE	Set the weight modifier to zero if either name is empty. Activates and therefore conflicts with NULLF and NULLS .	ALL	GOPT=
NULLB	Set the weight modifier to zero if both names are empty.	ALL	GOPT=
NULLR	Set the weight modifier to zero if the reference field is empty. The field used as the reference field is defined with one of the "Record Reference Options" described below.	C, D, F, L, M	GOPT=
NOHIGH	Usage NOHIGH*number . Set the weight modifier to zero if the Score is greater than number where number can be between 0 and 99. Differs from ABOVE in that this option modifies the weight, not the Score.	ALL	XOPT=
NOLOW	Usage NOLOW*number . Set the weight modifier to zero if the Score is less than number where number can be between 1 and 100. Differs from BELOW in that this option modifies the weight, not the Score.	ALL	GOPT=
NULLFWGT	Specifies the Weight to return if NULLF is active and the file name is empty.	C, E, G, M, S	OPTION NULLSCOR
NULLSWGT	Specifies the Weight to return if NULLS is active and the search name is empty.	C, E, G, M, S	OPTION NULLSCOR
NULLBWGT	Specifies the Weight to return if NULLB is active and both names are empty.	C, E, G, M, S	OPTION NULLSCOR
NULLWGHT	Specifies the Weight to be returned by NULLFWGT , NULLSWGT and NULLBWGT , if these options have not been supplied explicitly.	C, E, G, M, S	OPTION NULLSCOR
Score Modifying Options
ABOVE	Usage ABOVE*number . Set the Score to 100 if the Score is greater than number where number can be between 0 and 99.	ALL	XOPT=
BELOW	Usage BELOW*number . Set the Score to zero if the Score is less than textitnumber where number can be between 1 and 100.	ALL	GOPT=
REVERSE	This option causes the final Score returned by the method to the scheme to be reversed. For example, if the final method Score was 30, the new "reversed" Score would be 100 - 30, i.e. 70. In this case, a Score of 70 would be returned to the Scheme Score calculation process. This allows a positive contribution to be given by fields which do not match.	ALL	XOPT=
NULLFSCR	Specifies the Score to return if NULLF is active and the file name is empty. Must be in the range 0-100.	C, E, G, M, S	OPTION NULLSCOR
NULLSSCR	Specifies the Score to return if NULLS is active and the search name is empty. Must be in the range 0-100.	C, E, G, M, S	OPTION NULLSCOR
NULLBSCR	Specifies the Score to return if NULLB is active and both names are empty. Must be in the range 0-100.	C, E, G, M, S	OPTION NULLSCOR
NULLSCOR	Specifies the Score to be returned by NULLFSCR , NULLSSCR and NULLBSCR , if these options have not been supplied explicitly. Must be in the range 0-100.	C, E, G, M, S	OPTION NULLSCOR
Record Reference Options
REFMIN	Use the shortest record as the 100% reference. For example when matching, KEN JOHN PEEL and JOHN PEEL the Score is 100% even though there are extra words in the first name. Bear in mind that the shortest record may be the one with the least number of words OR characters, depending on which Method Entry Point is being used.	C, D, L, M	GOPT=
REFMAX	Use the longest record as the 100% reference. If this option was used with the above example a Score of 66% would be returned.	C, D, L, M	GOPT=
REFS	Use the search record as the 100% reference.	C, D, G, L, M	GOPT=
REFF	Use the file record as the 100% reference.	C, D, G, L, M	GOPT=

During MATCH processing, the Score Modifying Options are processed before the Weight Modifying Options, as the Score never depends on the Weight, but the Weight does depend on the Score.

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Service Group Definition and Customization Guide

Service Group Definition and Customization Guide

Global Options

Global Options