Predictive Intelligence Flashcards

1
Q

What is Predictive Intelligence?

A

an interface by which you can train models using the ServiceNow AI Platform.

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2
Q

Provide input/output pairs, so the computer can generate a rule that maps between the two. The output rule is often referred to as a model or solution.

A

Supervised Learning/Training

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3
Q

Provide raw data, allow the computer to identify structure within the input data set. The output is referred to as a model or solution.

A

Unsupervised Learning/Training

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4
Q

What attempts to explain the behavior of a target attribute, as a function of a set of independent input attributes?

A

Classification

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5
Q

What attempts to predict a numeric value for a target, as a function of a set of independent input attributes?

A

Regression

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6
Q

What is clustering?

A

Clustering groups similar records into into clusters so you can address them collectively or identify patterns.

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7
Q

What is similarity?

A

Given a lookup set of raw data, predict similarity (output) between a given set (input) and the raw data.

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8
Q

A system designed to perform tasks, usually requiring a level of human intelligence.

A

Artificial Intelligence (AI)

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9
Q

A subset of AI that provides the ability to improve from experience. This action is done by using algorithms, mathematics, and statistics to create models that make predictions/decisions.

A

Machine Learning (ML)

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10
Q

What roles are associated with Predictive Intelligence?

A

[ml_admin] & [ml_report_user]

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11
Q

The predictive model that is generated as the output of training (supervised or unsupervised) using the training data set (output of solution definition).

A

Solution

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12
Q

Given a set of correlated inputs/outputs, the solution generated will also predict an output based on user input.

A

Classification

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13
Q

Given raw data (lookup set), the solution generated will predict similarity between a given input (example set) and the raw data

A

Similarity

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14
Q

A collection of all the words and phrases that the machine can use for that particular solution to compare rows of data based on textual similarity.

A

Word Corpus

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15
Q

Given raw data, the solution generated will generate a structure across the input data set. Each set of similar records is grouped to address them collectively or identify patterns that were not detected before.

A

Cluster

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16
Q

The proportion of positive identifications that is actually correct. Calculated as the number of true positives divided by the sum of true positives and false positives.

A

Precision

17
Q

The aggregate percentage of records that receive a prediction.

A

Coverage

18
Q

To predict field values, which type of solution should you create?

A

Classification

19
Q

To group similar records into clusters so you can address them collectively or identify patterns, which type of solution should be created?

A

Clustering

20
Q

Predictive Intelligence offers out-of-the-box solutions for which applications?

A

ITSM, CSM, HR, and Event Management

21
Q

At a minimum, which role is required to manage Predictive Intelligence solutions?

A

[ml_admin]

22
Q

T | F: Regression is a machine-learning framework that can be trained with historical data to predict numeric outputs, such as a temperature or a stock price.

A

True

23
Q

To surface similar tasks and content to predict new major issues and recommend critical actions, which type of solution should you create?

A

Similarity

24
Q

When implementing PI, how many historical records does ServiceNow recommend you have?

A

Between 30,000 and 300,000.

25
Q

This setting groups together points that are close to each other based on a distance measurement and a minimum number of points. It also marks as outliers the point that are in low-density regions.

A

DBSCAN

26
Q

T | F: DBSCAN is only available for similarity solutions.

A

False: It is available for Clustering solutions only.

27
Q

This setting evaluates how ‘important’ a word is to a document in the document set or word corpus. The setting is available for Classification and Similarity solutions.

A

TF-IDF

28
Q

T | F: TF-IDF is available for Clustering and Similarity solutions.

A

False - It is available for Classification and Similarity solutions.

29
Q

What is the minimum number of required records for Classification solution training?

A

10,000

30
Q

T | F: Clustering solutions can reuse an existing word corpus.

A

True

31
Q

T | F: Clustering solutions groups data based on similarity.

A

True

32
Q

T | F: Clustering solutions generate classes.

A

False

33
Q

T | F: Clustering solutions does not support multiple languages.

A

False

34
Q

What is the purpose of a word corpus?

A

The word corpus is the vocabulary the system uses to compare textual similarity between records.

35
Q

What is the maximum classes a classification solution can support?

A

There is no limitation on the amount of classes a classification solution can support.

36
Q

To predict field values, which type of solution should be created?

A

Classification

37
Q

For classification solutions, how many possible outputs can a single solution include?

A

A solution can only have one output.

38
Q

How do you preserve solutions during a system clone?

A

There is a system property that can be set to true to preserve your solutions.