Features
Real-time hot topic detection with sliding time window
WOLDA algorithm for streaming topic modeling
Sentiment analysis combining SVM and logistic regression
Lexicon-based sentiment features from 5 sentiment lexicons
Representative tweet extraction via KL-mean, cosine distance, maximum entropy
Dynamic vocabulary management (handles new words, slang)
Integration with Twitter Streaming API (v1.1)
Topic evolution treemap visualization
Bubble chart visualization of topic-word distributions
Sunburst chart for hierarchical topic-word display
Hashtag frequency bar and trend charts
Geolocation heatmap visualization
Sliding window forgetting to detect new topics
Resource-efficient incremental model updates
POS tagging with CMU ArkTweetNLP
Natural language query input
Step-by-step solutions (Pro)
Algorithmic computation engine
Curated knowledgebase across domains
Visual plots and graphics
Unit and measure conversions
Physics and chemistry problem solver
Statistical analysis tools
Money and finance computations
Date and time calculations
Personal health and nutrition data
Mobile app for iOS and Android
Wolfram Problem Generator