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SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
We describe a user study that examined the relationship between the quality of an Information Retrieval system and the effectiveness of its users in performing a task. The task i...
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
We study a new task, proactive information retrieval by combining implicit relevance feedback and collaborative filtering. We have constructed a controlled experimental setting, ...
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
When investigating alternative estimates for term discriminativeness, we discovered that relevance information and idf are much closer related than formulated in classical literat...
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
A query independent feature, relating perhaps to document content, linkage or usage, can be transformed into a static, per-document relevance weight for use in ranking. The challe...
SIGIR
2005
ACM
14 years 3 months ago
2005
ACM
We describe a method for predicting query difficulty in a precision-oriented web search task. Our approach uses visual features from retrieved surrogate document representations (...