I am interested in querying Solr with query q and charting its recall of a set of documents D when {10, 20, 30, …} documents are returned.
Currently, I am having the full results, i.e. a list of docids returned (through solrpy), and iterate through it to find the ranks of D, i.e. a mapping from D to their indices in the search results. I do not strictly require the mapping, only mapped ranks.
Is there a way to have Solr/Lucene return ranks for a set of IDs instead of the full results?
Other ways of approaching this problem:
- For a query, return the rank of document d
- For a query up to a specified rank, return whether or not document d is present
- From a query q1 result up to a specified number of records, return the number of records matched by another query q2
No I cannot think of a SOLR or Lucene way to do this.
I think the simplest solution here is to program this yourself with a simple HashSet…