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WorksheetsIoT Lecture 8 - Data and Analytics for IoT
Total questions: 10
Worksheet time: 5mins
Two important categorizations from an IoT perspective are
structured or unstructured
in motion or at rest
Both a and b are correct
int data and float data
Structured Data
Text
Images
Speech
Spreadsheets
Unstructured Data
Spreadsheet
Databases
Video
All are uncorrect
Select the correct answer
Structured data is not easily formatted, stored, queried, and processed.
IoT sensor data uses structured values, such as temperature, pressure, humidity, and so on, which are all sent in an unknown format.
Structured data is well represented or organized, it can be handled by traditional relational database management system (RDBMS).
Unstructured data means any data that fits neatly into a predefined data model.
Data at rest
client/server exchanges
Real-time streaming analysis tools in Hadoop ecosystem
At Edge Level (data filtered and deleted or forwarded to fog node or
the data center)
Data saved to a hard drive, storage array, or USB drive
four types of data analysis results
Descriptive
Diagnostic
Predictive
Prescriptive
Descriptive
Database
Predictive
Prescriptive
Descriptive
Diagnostic
Process
Prescriptive
Descriptive
Diagnostic
Predictive
Product
Select the wrong statement: Machine Learning
part of Artificial Intelligence (AI)
Finding parked car from GPS location
Simple if-then-else
You do not need to record a set of predetermined sentences to help the tool match well-known words to the sounds you make when you say the words
Unsupervised Learning
there is a “good” or “bad” answer known in advance
a few parameters are computed
big cumulated deviations in multiple dimensions are used to identify the exception
It is the variation from a group behavior that allows the computer to learn that something is different
Neural Networks
In NN the information goes through same algorithms
mimic the way the human brain works
The resulting value of one unit computation can not be used directly or fed into another unit for further processing to occur
The great efficiency of neural networks is that each unit processes a complex test
Three most popular categories of database technologies are
Massively parallel processing systems
NoSQL
Hadoop
Massively parallel processing systems
NoSQL
SQL
Massively parallel processing systems
SQL
Hadoop
SQL
NoSQL
Hadoop
