X-Git-Url: http://lists.indexdata.dk/cgi-bin?a=blobdiff_plain;f=NEWS;h=0fb3402a7d521080e7912b0d9551212688700152;hb=c1046e5dda59c0a736b8e915da0ed0c5505e5e56;hp=186603f3a6811699d601e3a985da251380b06708;hpb=f06ad01d969e37e5d050a238e395751de4b6ebc3;p=pazpar2-moved-to-github.git diff --git a/NEWS b/NEWS index 186603f..0fb3402 100644 --- a/NEWS +++ b/NEWS @@ -1,3 +1,47 @@ +--- 1.6.21 2012/09/24 + +Rank tweak: follow=number will increase mult by number if two terms +occur next to each other; number-1 if they are one term apart , .. 0 +if they are number a part (all in order). Default is 0 (following +terms has no effect). + +Rank tweak: lead=k will divide mult by 1 + log2(1+k*l) where k is +value given by lead and l is length from beginning of field where +term occurs (l=0 for first term, l=1 for second term, ..). Default +value of k is 0.0. + +Rank tweak: length=strategy. length="linear" if mult is to be divided +by length (existing, default behavior), length="log" if mult is to be +divided by log2(1+length), length="none" if mult is not to be affected +by length. + +--- 1.6.20 2012/09/21 + +Rank algorithm details may be printed as part of show response in +element .. This is only printed if +is used in service. + +Record as returned by show/record command have a minimal indentation +which makes things human-readable. + +New configuration of default sorting criteria (sort-default) in +service definition. If no criteria is defined it will be as before +'relevance'. + +Search command now supports sort parameter just as the show command. +If no parameter is give, it will use the service sort-default value. + +--- 1.6.19 2012/09/18 + +Rank algorithm skips strings that gets normalized to empty string. +For example, & and ! could map to the empty string. The weight for +those terms is now 0 (as if they were not part of the query). + +Rank algorithm does not use CCL from limitmap; only from the query +parameter (user query). + +Obey -w dir. + --- 1.6.18 2012/09/17 Rank algorithm configurable by 'rank' element inside service. So far