In this paper, we describe ideas and related experiments of Tsinghua University IR group in TREC 2004 QA track. In this track, our system consists three components: Question analy...
Abstract. Quantum theory (QT) has recently been employed to advance the theory of information retrieval (IR). A typical method, namely the Quantum Probability Ranking Principle (QP...
The rapid growth of the Web has increased the importance of decentralized metadata creation. Resource authors must create their own metadata to enable enhanced information seeking...
In this paper we present a new hardware/software solution, which allows users to easily interact with their cars’ components through the OBD-II system. We propose a multimodal in...
Query expansion is a well-known technique that has been shown to improve average retrieval performance. This technique has not been used in many operational systems because of the...