论文信息 - Approaches to Robust and Web Retrieval

Approaches to Robust and Web Retrieval

We describe our participation in the TREC 2003 Robust and Web tracks. For the Robust track, we experimented with the impact of stemming and feedback on the worst scoring topics. Our main finding is the effectiveness of stemming on poorly performing topics, which sheds new light on the role of morphological normalization in information retrieval. For both the home/named page finding and topic distillation tasks of the Web track, we experimented with different document representations and retrieval models. Our main finding is effectiveness of the anchor text index for both tasks, suggesting that compact document representations are a fruitful strategy for scaling-up retrieval systems.

M. de Rijke | Christof Monz | J. Kamps | Börkur Sigurbjörnsson

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