17 search results - page 1 / 4 » Do Clarity Scores for Queries Correlate with User Performanc... |
ADC
2004
Springer
13 years 10 months ago
2004
Springer
Recently the concept of a clarity score was introduced in order to measure the ambiguity of a query in relation to the collection in which the query issuer is seeking information ...
CIKM
2006
Springer
13 years 9 months ago
2006
Springer
In this paper, we introduce the notion of ranking robustness, which refers to a property of a ranked list of documents that indicates how stable the ranking is in the presence of ...
SIGIR
2002
ACM
13 years 5 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
SIGIR
2005
ACM
13 years 11 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 (...
TKDE
2010
13 years 2 days ago
2010
The sparse data is becoming increasingly common and available in many real-life applications. However, relative little attention has been paid to effectively model the sparse data ...