Semantic search is when the search engine understands what the customer is searching for and provides results that are based on this understanding. Therefore, a search for the term shoes should display only items that are of type shoes instead of items with a description goes well with black shoes. We could argue that since we are boosting on the fields category, type, brand, color, and size, our results should match with what the customer is looking or searching for. However, this might not be the case. Let us take a more appropriate example to understand this situation.

Suppose a customer is searching for blue jeans where blue is intended to be the color and jeans is the type of apparel. What if there is a brand of products called blue jeans? The results coming from the search would not be as expected by the customer. As all the fields are being boosted by the same boost factor, the results will be a mix of the intended blue colored jeans and the products from...