1. Main properties.
The engine is writed on Poor-C to indexing web pages in the internet.
For now is indexed about 0.5 TB web pages and books, and index file takes only 2% of primary data. So by this technology 1-3 TB HDD can contain index for segment for all russian internet. Speed of indexing is about 100mb/sec for web pages.
2. New concept of searching.
The users can create dictionaries - typical words for search documents and use it in his queries to search system. Each dictionary have tag name, and search query looks like "Dic:Angry Obama". It returns all pages where users don't like Obama.
Or for example"Dic:Love Rihana" returns all pages where users talk about love to Rihana. Other search systems (like google, yandex, rambler) useless to search documents, which have a specific emotion.
Also the Search system can search exact phrases in web pages, and calculates different statistics.