Keyphrases
- text mining
- text messaging
- spam filtering
- email messages
- text retrieval
- power consumption
- text documents
- information retrieval
- enron email
- textual data
- text categorization
- data mining
- spam emails
- instant messaging
- text information
- database
- semantic information
- document analysis
- high level
- electronic mail
- information retrieval systems
- short messages
- visual features