search engine page ranking
Both are very competitive and you know most people are, in some way, cheating. The ranking algorithm should incorporate that assumed behavior into its logic. TIL that search engine algorithms are based on the logic of judging figure skating.
METAMIA is a free database of analogy and metaphor. Anyone can contribute or search. The subject matter can be anything. Science is popular, but poetry is encouraged. The goal is to integrate our fluid muses with the stark literalism of a relational database. Metamia is like a girdle for your muses, a cognitive girdle.