This paper evaluates the potential impact of explicit phrases on retrieval quality through a case study with the TREC Terabyte benchmark. It compares the performance of user- and s...
Abstract. We implemented a baseline approach to why-question answering based on paragraph retrieval. Our implementation incorporates the QAP ranking algorithm with addition of a nu...
On July 24, 2008 the SIGIR Workshop on Focused Retrieval was held as part of SIGIR in Singapore. Nine paper were presented in three sessions and in a fourth session--joint with th...
In information retrieving applications, mobile agents may have to finish their mission before a deadline. Also, there may be some flexibility for the itinerary definition due to o...
Several researchers have suggested that Bayesian networks (BNs) should be used to manage the inherent uncertainty in information retrieval. However, it has been argued that manuall...