High Level ML Services

AWS Comprehend

• NLP and text analytics
• NER, Sentiment, Syntax, Language, Topics, and Classification

AWS Translate

• Custom terminology

AWS Transcribe

• Audio file or streaming
• Speaker Identification
• Channel Identification
• Custom Vocabulary

AWS Polly

• Text-to-speech
• Custom lexicons
• Speech Synthesis Markup Language
• Speech Marks (animation)

AWS Rekognition

• Object and scene detection
• Image moderation
• Facial analysis
• Celebrity recognition
• Face comparison
• Text in image
• Video analysis

Images from S3 or request body, video comes from Kinesis.

AWS Forecast

• time series prediction
• auto ML included
• dataset groups, predictors, and forecast

AWS Lex

• chat bot engine
• intent detection and slot-filling

AWS Personalize

• recommender engine
• data – items, users, or interactions – from s3 or API integration + schema (Avro)
• get recommendations USER_PERSONALIZATION, similar items RELATED_ITEMS, or rankings PERSONALIZED_RANKING
• real-time or batch
• new users and new items
• contextual recommendations based on the device, time or location
• solutions:
  • training
  • objectives
  • hyper-parameter optimization (HPO)
    • hidden_dimension for both user and item (id or metadata)
    • bptt
    • recency_mask
    • min/max_user_history_length_percentile
    • exploration_item_age_cut_off
    • exporation_weight: relevancy
• campaign for deployment

Tricks for maintaining relevance

• keep the dataset up to date
• feed real-time interactions
• re-train frequently

Security

• no data between websites
• encryption at rest and in transit

Pricing

• data ingestion: per GB
• training: per training hour
• inference: per TPS-hours
• batch inference: by user or by item

Misc

• AWS Textract
• AWS DeepRacer
• AWS DeepLens
• AWS Lookout: device or equipment monitoring
• AWS Monitron: end to end system for monitoring, including the sensors
• TorchServe and AWS Neuron (Inferentia chip)
• AWS Panorama: CV at the edge device
• AWS DeepComposer
• AWS Fraud Detector
• AWS CodeGuru
• Contact Lens for Amazon Connect
• AWS Kendra
• Augmented AI: human in the loop