Towards personalized learning to rank for epidemic intelligence based on social media streams.
Ernesto Diaz-AvilesAvaré StewartEdward VelascoKerstin DeneckeWolfgang NejdlPublished in: WWW (Companion Volume) (2012)
Keyphrases
- learning to rank
- social media streams
- data gathering
- ranking functions
- information retrieval
- social media
- national security
- public health
- loss function
- document retrieval
- direct optimization
- e learning
- ranking svm
- evaluation measures
- user profiles
- query dependent
- collaborative filtering
- real time
- learning to rank algorithms
- retrieval systems
- directly optimize
- metadata
- decision trees
- balancing exploration and exploitation