Tracked it down to this ticket:
https://issues.apache.org/jira/browse/LUCENE-6590
which changed the implementation of normalize() in
org.apache.lucene.search.similarities.TFIDFSimilarity.
I've asked for comment on that ticket.
Upayavira
On Fri, 10 Jun 2016, at 01:39 AM, Ahmet Arslan wrote:
> H
Hi,
I wondered the same before and failed to decipher TFIDFSimilarity.
Scoring looks like tf*idf*idf to me.
I appreciate someone who will shed some light on this.
Thanks,
Ahmet
On Friday, June 10, 2016 12:37 AM, Upayavira wrote:
I've just done a very simple, single term query against a 4.10
I've just done a very simple, single term query against a 4.10 system
and a 5.5 system, each with much the same data.
The score for the 4.10 system was essentially made up of the field
weight, which is:
score = tf * idf
Whereas, in the 5.5 system, there is an additional "query weight", which
