search engine
"It probably didn't matter what you were interested in, the librarian could point you in the right direction. Yet that's all she did, point you in the right direction. She didn't tell you the answer to your question."
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.