Keyphrases
- spam e mail
- email spam
- spam filtering
- spam filters
- enron email
- email messages
- communication medium
- index structure
- anti spam
- electronic mail
- filtering algorithm
- database
- spam detection
- instant messaging
- neural network
- adaptive filtering
- multi dimensional
- indexing method
- inverted index
- indexing techniques
- software development
- data structure
- e learning
- image retrieval