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SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
When trained and evaluated on accurately labeled datasets, online email spam filters are remarkably effective, achieving error rates an order of magnitude better than classifie...
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...
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SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Information retrieval systems are evaluated against test collections of topics, documents, and assessments of which documents are relevant to which topics. Documents are chosen fo...
SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Rank correlation statistics are useful for determining whether a there is a correspondence between two measurements, particularly when the measures themselves are of less interest...