Searching the Future

In this paper we define a new retrieval problem: future retrieval. The idea is to use news information to obtain future possible events and then search events related to our current (or future) information needs. In another words, we include time as a formal attribute for a document. We present a simple ranking model based on time segments, a prototype for it and some specific examples. This work also poses new challenges for natural language processing, information extraction, and answer evaluation.

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