Sciweavers

71 search results - page 10 / 15
» Relative Entropy Policy Search
Sort
View
SIGIR
2002
ACM
15 years 3 months ago
Predicting query performance
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...
Stephen Cronen-Townsend, Yun Zhou, W. Bruce Croft
SIGKDD
2010
125views more  SIGKDD 2010»
14 years 10 months ago
A framework for mining interesting pattern sets
This paper suggests a framework for mining subjectively interesting pattern sets that is based on two components: (1) the encoding of prior information in a model for the data min...
Tijl De Bie, Kleanthis-Nikolaos Kontonasios, Eirin...
ADC
2004
Springer
105views Database» more  ADC 2004»
15 years 9 months ago
Do Clarity Scores for Queries Correlate with User Performance?
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 ...
Andrew Turpin, William R. Hersh
CPC
1999
105views more  CPC 1999»
15 years 3 months ago
Total Path Length For Random Recursive Trees
Total path length, or search cost, for a rooted tree is defined as the sum of all root-to-node distances. Let Tn be the total path length for a random recursive tree of order n. M...
Robert P. Dobrow, James Allen Fill
CHI
2004
ACM
15 years 9 months ago
Trust and mistrust of online health sites
Do different design and information content factors influence trust and mistrust of online health sites? Fifteen women faced with a risky health decision were observed while searc...
Elizabeth Sillence, Pamela Briggs, Lesley Fishwick...