447 search results - page 17 / 90 » Probabilistic model for contextual retrieval |
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Modeling objects by probability density functions (pdf) is a new powerful method to represent complex objects in databases. By representing an object as a pdf, e.g. a Gaussian, it...
CONTEXT
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. This paper presents a statistical framework based on Principal Component Analysis (PCA) for discovering the contextual factors which most strongly influence user behavio...
QI
2009
Springer
14 years 2 months ago
2009
Springer
Information Retrieval (IR) systems try to identify documents relevant to user queries, which are representations of user information needs. Interaction, context, and document struc...
HICSS
2002
IEEE
14 years 18 days ago
2002
IEEE
Abstract— Recent advances in graph-based search techniques derived from Kleinberg’s work [1] have been impressive. This paper further improves the graph-based search algorithm ...
ICML
2008
IEEE
14 years 8 months ago
2008
IEEE
In the absence of explicit queries, an alternative is to try to infer users' interests from implicit feedback signals, such as clickstreams or eye tracking. The interests, fo...