Hi All, Just checking in again to get some opinion on it.
On Mon, Jun 21, 2021 at 1:45 AM Vinay Rajput <vinayrajput4...@gmail.com> wrote: > Hi All, > > We are using Solr 7.3.1 in PROD and have a few thousand blogs indexed in > Solr along with other types of documents. I am working on a requirement > where we need to give more weight to the author field if someone is > searching for "Author name + topic". > > For example, let's say we have three fields - author, title, text. If we > search "Brian marketing" then those "marketing" blogs where "Brian" is the > author should be ranked higher than other blogs where "Brian" is mentioned > in either title or text fields. > > In order to achieve this, I thought of giving more weight to the author > field. This looks ok but I also had to update mm (minimum match) > parameter from 100% to 1 in solrconfig.xml file otherwise the author field > wouldn't even be matched in case of phrase queries. Now as a side effect of > this mm change, total hit count has increased dramatically which affects > precision. > I did something like this in solrconfig.xml, I tried to use conditional mm > to minimize the impact of this change for other fields especially in case > of larger phrase query :- > > <str name="defType">edismax</str> > > <str name="qf">title^2 author^3 text</str> > > <str name="mm">1<50% 4<-1</str> > > <str name="tie">0.1</str> > > Now, here are my questions :- > 1) Is there any way to just override mm(=1) for the author field and keep > mm = 100% for all other fields? > 2) Is my approach correct? Is there any better way to achieve the desired > result? > > Thanks in advance. > > Regards, > Vinay >
