372 search results - page 35 / 75 » Learning to Rank Using an Ensemble of Lambda-Gradient Models |
KDD
2009
ACM
14 years 8 months ago
2009
ACM
User browsing information, particularly their non-search related activity, reveals important contextual information on the preferences and the intent of web users. In this paper, ...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...
ICDE
2011
IEEE
12 years 11 months ago
2011
IEEE
— Many real-world applications deal with uncertain or missing data, prompting a surge of activity in the area of probabilistic databases. A shortcoming of prior work is the assum...
ML
2010
ACM
13 years 6 months ago
2010
ACM
Scientific literature with rich metadata can be represented as a labeled directed graph. This graph representation enables a number of scientific tasks such as ad hoc retrieval o...
MM
2006
ACM
14 years 1 months ago
2006
ACM
Most existing web video search engines index videos by file names, URLs, and surrounding texts. These types of video roughly describe the whole video in an abstract level without ...