the software has a small footprint and can run on a laptop, IBM has added incremental indexing, support for 200+ document types, support for 30 languages and linguistic features such as synonym detection, spelling correction, lemmatization, stemming and a "did you mean" feature that suggests alternative queries. The relevance ranking is adjustable. It does not rely on link analysis, which often fails inside the enterprise. Instead it uses OmniFind relevance ranking algorithms.Based on the Lucene open source search engine, the OmniFind Yahoo Edition goes beyond commodity search. It is certainly quick to install: Download it, configure it in three clicks and point it at a URL to crawl. However, it is also configurable and customizable. Administrators can change the look and feel of the search page, create shortcuts to other Web pages or best answers to a top query. Reporting tools monitor usage to determine null or frequent searches, and to gauge the effectiveness of the results being returned.