I'm not saying that I'm actually going to do this, but I was wondering how one would go about combining/ranking search results, such as in the case of DuckDuckGo, where they get results from Yahoo, ...
Let's say I have a big corpus (for example in english or an arbitrary language), and I want to perform some semantic search on it. For example I have the query: "Be careful: [art] armada of [sg] is ...
I want to create a basic search engine, and I want you to give me some ideas how to filter out the best results for my visitors. I have three fields regarding a product the user can search in: ...