Unsupervised Hashtag Retrieval and Visualization for Crisis Informatics.
Yao GuMayank KejriwalPublished in: CoRR (2018)
Keyphrases
- image retrieval
- image database
- supervised learning
- information retrieval systems
- social sciences
- information retrieval
- relevance feedback
- data driven
- unsupervised learning
- test collection
- retrieval systems
- unsupervised manner
- efficient retrieval
- retrieval model
- visualization tool
- document retrieval
- data sets
- interactive visualization
- case study
- visualization tools
- self organizing maps
- retrieval accuracy
- retrieval method
- content based retrieval
- multimedia databases
- machine translation
- query expansion
- semi supervised
- machine learning