Despite existing purely to help shoppers find what they’re looking for, the search bar on e-commerce sites isn’t known for yielding great results.
A recent search for “black straight leg jeans” at one well-known retailer returned a pair of blue jeans among the first three products. On another site with a luxury focus, baggy wide-leg jeans appeared among the top three.
“The search world was really optimised for ultra-large corpora [i.e. bodies of information],” said Malte Ubl, who…

