Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Computer Science > Option C — Web Science > Flashcards

Option C — Web Science Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

WWW

A

The system used for accessing web pages and websites

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Web 1.0

A

A library where you can look for information, but cannot change anything

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Web 2.0

A
  • more interactive
  • more multimedia
  • more social
  • creating a web page where the user is able to change the information
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Web 3.0

A

All the data on the web is interconnected like a super database

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Software agents

A

Programs that crawl through the Web, searching for relevant information

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Ontology

A
  • a file that defines the relationships among a group of terms.
  • concept of linking context to content
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Semantic Web

A

Proposes to help computers “read” and use the web

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Metadata

A

Information included in the code of the web that are invisible to humans, but are readable to the computers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Internet

A

The entire network of connected computers and routers used for sending data

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

HTTP

A
  • hyper text transfer protocol
  • client requests a HTTP request message
  • server returns a response message
  • the response contains completion status info. about request
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

HTTPS

A
  • hypertext transfer protocol secure
  • a communications protocol for secure communication over a computer network
  • the result of layering the HTTP on top of the SSL/TLS protocol
  • provides the authentication of the website
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

HTML

A
  • hypertext markup language

- uses tags to determine how the webpage will be displayed in the web browser

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

XML

A
  • extensive markup language
  • markup language that defines a set of rules for encoding document in a format that is both human and machine readable
  • it can create any set of tags
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

XSLT

A
  • extensible style sheet language transformations

- a language that transforms XML documents into other formats

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

JavaScript

A

an object orientated computer programming language used to create interactive effects within web browsers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

CSS

A
  • cascading style sheet
  • a style sheet language used for describing the presentation of a document in a markup language
  • designed primarily to separate document context with document presentation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

CSS Advantages

A
  • improve content accessibility
  • provide more flexibility and control in the specification of the characteristics
  • enables multiple HTTP pages to have the same CSS/style
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

URI

A
  • uniform resources identifier
  • the method in which you identify some points of content (on WWW)
  • the most common form of URI is URL
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

URL

A
  • uniform resource locator

- a specific character string that constitutes a reference to a Internet resource

20
Q

How does a DNS work

A

It turns a user friendly domain name into an IP address that allows the computer identify each other on he network

21
Q

IP

A

A numerical a label assigned to each computer on the network

22
Q

TCP

A

Connection is established and maintained until the two hosts have finished exchanging messages

23
Q

FTP

A

Most common protocol that is used to transfer files between two locations

24
Q

Meta tags

A

Snippets of text that describes a page’s content that’s only visible in the text’s code

25
Q

Protocol

A

Enables the compatibility through a common language internationally

26
Q

Standard

A

An agreed way of doing/measuring something

27
Q

Static web page

A

A web page delivered to the user exactly as it is stored

28
Q

Advantages and Disadvantages of Static Web pages

A

Adv:

  • cheap to host
  • quick and cheap to develop

Disadv:

  • requires web development skills to update
  • not useful for user
  • content can get stagnant
29
Q

Dynamic web page

A

A web page that displays trifle rent content each time you access it

30
Q

Scripts + what are they used for

A

A set of instructions used mainly in a dynamic webpage to find your query results, placing an ad, display a list of products etc

31
Q

Client side scripts

A
  • interpreted by the browser
  • used to make the web page change AFTER it has arrived to the browser
  • relys on user’s computer
32
Q

Client side script process

A
  • client requests for a web page to the server
  • server returns the web page
  • the page is displayed while the script is running after/during display
33
Q

Server side scripts

A
  • the script is customized to the user/user’s occasion
  • allows a level of privacy
  • script is interpreted by the server and more scripts = more workload on server
  • script always works in the same way
34
Q

Server side script process

A
  • client requests a web page to server
  • the script in the page is interpreted by the server which creates/changes the page content to match the user’s customization
  • the final form of the page is sent and the content CANNOT be changed with server side scripting
35
Q

CGI + describe the process of the CGI

A
  • common gateway interface

- the method of passing data back and forth between the server and application

36
Q

Search engine

A

Software that allows the user to search for information on the WWW with specific key terms

37
Q

PageRank

A
  • da h page is given a score for a certain search
  • the most important pages have the most important inlinks
  • uses the probability of landing on a page after clicking on a specific number of links
38
Q

HITS Algorithm

A
  • link analysis algorithm that ranks web pages
  • uses hubs and authorities (define them)
  • a repetitive process that is executed at query time = slow
39
Q

How does the HITS algorithm work?

A

Refer to notebook

40
Q

Web Crawler + how does it function?

A
  • computer programs that scan the web, ‘reading’ everything they find that is relevant to the search
  • those key terms are then indexed
  • reeder to notebook
41
Q

What is the relationship between data in a meta tag?

A

The relationship is NOT always transitive.

Define transitive

42
Q

Parallel Web Crawler + Goal and how does it achieve its goal

A
  • A crawler that runs multiple processes simultaneously
  • maximize download rate while also minimizing overheads and avoid repeated downloads
  • system requires a policy that assigns new URLs discovered
43
Q

Index + its Purpose

A
  • where all the key terms are found and stored by the web crawler
  • to optimize speed and performance in finding relevant documents for a search query
44
Q

Black hat techniques

A
  • hidden texts
  • scraping
  • keyword stuffing
  • blog spam
  • link farms
  • paid links
  • doorway pages
  • parasite hosting
  • cloaking
45
Q

White hat techniques

A
  • guest blogging
  • link baiting
  • quality content
  • internal linking
46
Q

Gray hat techniques

A
  • 3 way link exchange
  • buying old/expired domains
  • article spinning
  • Google bombing

Computer Science (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions