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A Tutorial on Onset Detection in Music Signals
Object Counter
MyTrader
0
3500
7000
10500
14000
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
Web API Count
12,566
Pharmacy Automation
Data Analysis
Mobile Research
Mondrian OLAP (Open Source )
WoT Platform
Log Platform
3G Packet Analysis
Glory FS Management Tool
OpenStack
Web Load Testing Tool
Patient Monitoring
Copyright 2011 Kelley-McCreary & Associates, LLC
Copyright 2011 Kelley-McCreary & Associates, LLC
http://nosql-database.org
May 18, 2002
CEP
stream (stanford) aurora (brown, mit)
telegraphcq niagra cq open cq cougar
gigascope tribeca
ubicore@ETRI
mycqserver@mycq
Event Processing Architecture Event Generator
Application
Active Business Process
Performance Dashboard
Human
Data Warehouse
Agent
Subscribers
Event-Driven Activity Event
Channel (in) Event Processing
Event Actions
…
Event Processor
Publish
Notify
Invoke Service
Start Business Process
Capture
…
Simple Events
Complex Events
Source X
Source Y
Source Z
Source W
Channel A
Channel B
Channel C
Channel N
…
Generate Event
Local Filter
Formatter
Application Data store Service Business process Transmitter Sensor (RFID..) Collaboration tool (IM, email) …
Event Source
Event Router
Messaging backbone Transmit Standard Formatted Events
Event Channel (out)
Channel A’
Channel B’
Channel C’
Channel M
…
©2006 Elemental Links Inc.
Transaction
• SQL Query Compilation • SQL Query Planning • SQL Query Evaluation
SQL (INSERT)
SQL (INSERT)
SQL (INSERT)
SQL (INSERT)
SQL (SELECT3) SQL (SELECT N) SQL (SELECT2) SQL (SELECT1)
User
…
DBMS
Disk/Memory
• CQ Evaluation
User
Continuous Query Processor
Input Queues
Memory/Disk
Data Streams
• CQ Compilation • CQ Planning
CQs User Output Queues
Continuous Query
Asynchronous Style Implementation
Synchronous Style Implementation
SQL
DBMS
Register Query
Request Query
Map / Reduce
T(n) T(n-1) T(n-2) … … T(0)
New Data
Area 1 Area 2
Hot Cold
Continuous (Map / Reduce)
spout (5)
split (8)
count (12)
the cow jumped over the moon
word-count topology
the cow jumped over the moon
the:2 cow:1 jumped:1 over:1 moon:1
Architecture
Data Source Real-Time Data Stream Processor
Database Database
Application
Real-Time Application
Batch Analysis
pattern
Event Archiving
save events
history data join
events (tx)
update rule
T(n) T(n-1) T(n-2) … … T(0)
New Data
Area 1 Area 2
Hot Cold
