Inside IBU

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Query Languages

The IB engines supports alongside "smart modus" expressions, multiple query languages and includes a well defined class structure to extend the engine with syntax for other languages. Out of the box it supports queries expressed in both " Infix ...

story - Edward C. Zimmermann - 2010-02-10 15:01 - 0 comments - 0 attachments

IB Postfix (RPN) Notation

Introduction Reverse Polish notation (RPN), also known as postfix notation, was invented by Australian philosopher and computer scientist Charles Hamblin in the mid-1950s. It is derived from the Polish notation, which was introduced in 1920 by the ...

story - Edward C. Zimmermann - 2009-07-08 08:54 - 0 comments - 0 attachments

Brief Lucene comparison

To compare Lucene with IB is really to compare potatoes with fish. They have quite different histories, design considerations and goals. The following short sketch attempts, however, to outline a few points since we've been asked. Design target ...

story - Edward C. Zimmermann - 2010-02-02 21:25 - 0 comments - 0 attachments