Vector Space Model and Query-likelihood Model The vector space model and the query-likelihood model both make one common assumption about the terms that appear in a document. This is an assumption that actually does not hold true in natural language text. What is it? Please explain. Vector Space Model and Query-likelihood Model The vector space model and the query-likelihood model both make one common assumption about the terms that appear in a document. This is an assumption that actually does not hold true in natural language text. What is it? Please explain