1. A method for implementing a dynamic free-text search database, the method comprising: generating, by at least one processor, first data for the dynamic free-text search database that represents a first relationship including a first keyword, a first trip, and a first weight value; receiving, by the at least one processor, a plurality of free-text search requests; calculating, by the at least one processor, a second weight value for the first relationship based on the free-text search requests, wherein the second weight value differs from the first weight value; and transforming, by the at least one processor, the first data into second data by inserting the second weight value into the first data such that the first relationship includes the second weight value.