2. The computer-implemented method of claim 1 , wherein obtaining the one or more image feature values comprises obtaining a vector of image feature values.
2. The computer-implemented method of claim 1 , wherein obtaining the one or more image feature values comprises obtaining a vector of image feature values. 6. The computer-implemented method of claim 2 , further comprising: identifying a matrix of image relevance vectors; and multiplying the vector of image features values by the matrix of image relevance vectors, wherein each row of the matrix of image relevance vectors corresponds to a respective query term of the set of query terms.