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Mining Data Streams - Coggle Diagram
Mining Data Streams
Data Stream Model
Data Stream Management System
Stream Input Regulator
Storage
Working Storage
Summary Storage
Metadata Storage
Query Repository
Examples
Sensor Network
Network Traffic Analysis
Financial Applications
Transactional Log Analysis
Stream Queries
One Time Query
Continuous Queries
Ad-hoc Queries
Pre-defined Queries
Issues in Data Stream Query Processing
Unbounded Memory Requirement
Approximate Query Answering
Sliding Windows
Batch Processing, Sampling, Synopses
Blocking Operators
Data Stream Mining
Challenges
Velocitty
volume
Volatility
Concept Drift Phenomenon
Sampling in Data Streams Techniques
Reservoir Sampling
Biased Reservoir Sampling
Concise Sampling
Counting Distinct Elements in a Stream
The Count Distinct Problem
Flajolet Martin Algorithm
Counting Ones in Window
The cost of exact counting problem
Datar-Gios-Indyk-Motwani (DGIM) Algorithm
Decaying Windows
The Most Common Element Problem
Exponentially Decaying Windows
Filtering Streams
Bloom Filter