3 years ago

Which describes the first step a crawler-based search engine uses to find information?

Computers and Technology

2 answers:

iren2701 [21]3 years ago

6 0

Answer: Text and keywords are selected and recorded in huge data centers.

Orlov [11]3 years ago

5 0

<span>Crawler-based search engines are what most of us are familiar with - mainly because that's what Google and Bing are. These companies develop their own software that enables them to build and maintain searchable databases of web pages (the engine), and to organise those pages into the most valuable and pertinent way to the user.</span>

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The data frame first_south is created using first_south = (titanic['Pclass']==1) & (titanic['Embarked']=='S')

<h3>How to create the data frame?</h3>

To do this, we make the following assumptions:

The pandas module has been loaded as pd
The dataset has also been loaded as titanic

When pclass column is 1.

This is represented as:

titanic['pclass']==1

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This is represented as:

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So, we have:

first_south = (titanic['Pclass']==1) & (titanic['Embarked']=='S')

Read more about data frames at:

brainly.com/question/16524297

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