LyS at CLEF RepLab 2014: Creating the State of the Art in Author Influence Ranking and Reputation Classification on Twitter.
David VilaresMiguel HermoMiguel A. AlonsoCarlos Gómez-RodríguezJesús VilaresPublished in: CLEF (Working Notes) (2014)
Keyphrases
- accurate classification
- machine learning
- ordinal data
- classification method
- classification accuracy
- social media
- decision trees
- query expansion
- support vector
- polarity classification
- online social networks
- social networks
- support vector machine
- supervised learning
- information diffusion
- question answering
- information retrieval
- web search
- feature vectors
- training set
- information retrieval systems
- text classification
- feature set
- support vector machine svm
- classification algorithm
- learning to rank
- social networking
- cross lingual
- feature space
- feature extraction
- feature selection
- short list
- search engine