Multi-Modal Supervised Latent Dirichlet Allocation for Event Classification in Social Media.
Shengsheng QianTianzhu ZhangChangsheng XuPublished in: ICIMCS (2014)
Keyphrases
- multi modal
- latent dirichlet allocation
- topic models
- social media
- topic modeling
- multi modality
- feature selection
- high dimensional
- supervised learning
- feature space
- single modality
- generative model
- classification accuracy
- machine learning
- pattern recognition
- latent topics
- lda model
- image classification
- text classification
- gibbs sampling
- variational bayesian inference
- audio visual
- unsupervised learning
- semi supervised
- image annotation
- text mining
- semantic concepts
- support vector
- training data
- feature extraction
- dimension reduction
- feature set
- pairwise
- learning algorithm
- information retrieval