WebSphere Portal Family : Search for WebSphere Portal : Improving search quality in Portal Search


Quality of search today and in general is based primarily on the relevance scoring methods within the Portal Search component. It applies standard relevance calculation provided by the underlying open source Lucene search engine (http://http://lucene.apache.org//. In general terms based on standard scoring – “tf x idf”(term frequency times inverted document frequency). What is not taken into respect is the structure of information provided in a \’document\’, e.g. whether a keyword is also found in the \’title\’ or any other structural element of the document. Typically one would assume that when a keyword appears in the title, that this keyword is significant for this document opposed to that same keyword appearing in other documents but then only in its regular body text. This article describes what search quality tuning options are available.

via WebSphere Portal Family : Search for WebSphere Portal : Improving search quality in Portal Search.


About CollabDude

I am a collaboration specialist, blogger, twitterer working for IBM. My main responsibilities are to evangelize social business and it's benefits for fostering innovation, building efficiencies in your processes, promoting knowledge transfers and collaboration within your enterprise, your partners, and your customers. Okay, that was a bit over the top, so to net this out, just think of socializing inside and outside of your organization using IBM Collaboration Solutions. Definitely a people person. Much of his spare time is spent trying to get a balanced life. Taking the time away from work and just enjoy life. Keeping my mind and body fit by working out. Spending time with family and friends. Eating a balance diet..yada yada yada...
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