TREC 2004

We present a question answering system that combines information at the lexical, syntactic, and semantic levels, in the process to find and rank the candidate answer sentences. The can- didate …...

The present methodology for evaluating complex questions at TREC analyzes an- swers in terms of facts called “nuggets”. The official F-score metric represents the harmonic mean between recall and pre- …...

Automated mining of novel documents or sentences from chronologically ordered documents or sentences is an open chal- lenge in text mining. In this paper, we describe the preprocessing techniques for …...

The enormous amount of information on the Internet has raised the challenge of highlight- ing new information in the context of already viewed content. This type of intelligent inter- face …...