They won, with an 81 percent achievement rate, though Schroeder says they have finally got that up to 87 percent. Background understanding The second challenge may be the background knowledge which allows the browser to create feeling of the identified conditions. Such knowledge is formally known as an ‘ontology’, a systematic hierarchy of ideas and their relation to one another. Biology, using its extensive taxonomies, is an ideal field for semantic grid browsing. ‘Each one of these efforts of creating hierarchical classification systems have already been at the primary of biology for years and years,’ says Schroeder.The statement on birth defects, ‘The Hidden Toll of Dying and Disabled Kids’, reveals that at least 3.3 million children much less than 5 years of age die because of severe birth defects annually. Another 3.2 million of those who survive may be and physically disabled for lifestyle mentally. It would appear that birth defects certainly are a global problem, but their influence is particularly serious in poorer countries where more than 94 % of births with serious defects and 95 % of the deaths of the children occur. In such countries birth rates are considerably higher also.