Answering web queries using structured data sources
Stelios Paparizos, Alexandros Ntoulas, John C. Shafer, Rakesh Agrawal · 2009
In web search today, a user types a few keywords which are then matched against a large collection of unstructured web pages. This leaves a lot to be desired for when the best answer to a query is contained in structured data stores and/or when the user includes some structural semantics in the query.