Is it possible to have Solr to remove duplicated query results? 

For example, instead of return 

<result name="response" numFound="572" start="0">
 <doc>  <str name="productGroup_t_i_s_nm">Wireless</str> </doc>
 <doc>  <str name="productGroup_t_i_s_nm">Wireless</str> </doc>
 <doc>  <str name="productGroup_t_i_s_nm">Wireless</str> </doc>
 <doc>  <str name="productGroup_t_i_s_nm">Video Games</str> </doc>
 <doc>  <str name="productGroup_t_i_s_nm">Video Games</str> </doc>
</result>

return:
  <result name="response" numFound="572" start="0">
   <doc>  <str name="productGroup_t_i_s_nm">Wireless</str> </doc>
   <doc>  <str name="productGroup_t_i_s_nm">Video Games</str> </doc>
  </result>

Thanks a lot,
Kevin

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