Have a look at http://lucene.apache.org/java/3_0_2/scoring.html on how Lucene's scoring works. You can override the Similarity class in Solr as well via the schema.xml file.
On Dec 15, 2010, at 10:28 AM, Pavel Minchenkov wrote: > Hi, > Please give me advise how to create custom scoring. I need to result that > documents were in order, depending on how popular each term in the document > (popular = how many times it appears in the index) and length of the > document (less terms - higher in search results). > > For example, index contains following data: > > ID | SEARCH_FIELD > ------------------------------ > 1 | Russia > 2 | Russia, Moscow > 3 | Russia, Volgograd > 4 | Russia, Ivanovo > 5 | Russia, Ivanovo, Altayskaya street 45 > 6 | Russia, Moscow, Kremlin > 7 | Russia, Moscow, Altayskaya street > 8 | Russia, Moscow, Altayskaya street 15 > 9 | Russia, Moscow, Altayskaya street 15/26 > > > And I should get next results: > > > Query | Document result set > ---------------------------------------------- > Russia | 1,2,4,3,6,7,8,9,5 > Moscow | 2,6,7,8,9 > Ivanovo | 4,5 > Altayskaya | 7,8,9,5 > > In fact --- it is a search for geographic objects (cities, streets, houses). > At the same time can be given only part of the address, and the results > should appear the most relevant results. > > Thanks. > -- > Pavel Minchenkov -------------------------- Grant Ingersoll http://www.lucidimagination.com
