We know that computers understand programming languages but how about making them understand human language, the language that you and me speak? Natural Language Processing (NLP)...
Category Archives: Relevancy
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Measuring Search Relevance using NDCG
By: Vijay Mhaskar | June 28, 2015Normalized Discounted Cumulative Gain (NDCG) is popular method for measuring the quality of a set of search results. It asserts the following: Very relevant results are more useful than somewhat relevant results which are more
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Query Rescoring in Solr
By: Vijay Mhaskar | June 19, 2015Introduction Sometimes relevance requirements are very complex and creates performance issues during execution. There is a very nice feature Introduced in Solr 4.9 called “Query Reranking/Rescoring” (SOLR-6088) which allows us to run our query with a less
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Exactish phrase matching in Solr
By: Vijay Mhaskar | May 28, 2015Phrase match Simple way by which we an achieve exact matching in Solr is by using the default string type. It is exact phrase matching. string is a useful type for facet where we search