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SIGIR
2004
ACM
13 years 10 months ago
2004
ACM
In this poster, we will present the results of efforts we have undertaken to conduct evaluations of a QA system in a real world environment and to understand the nature of the dim...
SIGIR
2004
ACM
13 years 10 months ago
2004
ACM
In recent years, statistical language models are being proposed as alternative to the vector space model. Viewing documents as language samples introduces the issue of defining a...
SIGIR
2004
ACM
13 years 10 months ago
2004
ACM
List question answering (QA) offers a unique challenge in effectively and efficiently locating a complete set of distinct answers from huge corpora or the Web. In TREC-12, the med...
SIGIR
2004
ACM
13 years 10 months ago
2004
ACM
Latent Semantic Indexing (LSI) is a well established and effective framework for conceptual information retrieval. In traditional implementations of LSI the semantic structure of...
SIGIR
2004
ACM
13 years 10 months ago
2004
ACM
Pseudo feedback is a commonly used technique to improve information retrieval performance. It assumes a few top-ranked documents to be relevant, and learns from them to improve th...