IB Computer Science Topic C.5.2 Web Graph Vs. Sub-graphs Revision Notes (SL/HL)

IB Computer Science Topic C.5.2 Web Graph Vs. Sub-graphs Revision Notes (SL/HL) | RevisionDojo

The Web Graph: A Global Perspective

The web graph (directed graph) is a massive network of interconnected web pages, forming the foundation of how the internet works.
However, within this vast structure, we can identify smaller sub-graphs that focus on specific topics or themes.

Definition

Directed graph

A collection of vertices (nodes) connected by edges (links) that have a specific direction.

Definition

Sub-graph

A smaller part of a larger graph, containing a subset of nodes and edges that maintain the original connections between those nodes.

The web graph is a directed graph where:
1. Nodes represent web pages.
2. Edges represent hyperlinks between pages.
It is massive, with billions of nodes and edges, making it one of the largest graphs ever created.
The web graph is dynamic, constantly evolving as new pages are added and old ones are removed.

Sub-Graphs: Focused Networks

A sub-graph is a smaller, more focused part of the larger web graph.

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Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Duis aute irure dolor in reprehenderit

Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos qui ratione voluptatem sequi nesciunt. Neque porro quisquam est, qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit.

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

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The Web Graph: A Global Perspective

The web graph (directed graph) is a massive network of interconnected web pages, forming the foundation of how the internet works.
However, within this vast structure, we can identify smaller sub-graphs that focus on specific topics or themes.

Definition

Directed graph

A collection of vertices (nodes) connected by edges (links) that have a specific direction.

Definition

Sub-graph

A smaller part of a larger graph, containing a subset of nodes and edges that maintain the original connections between those nodes.

The web graph is a directed graph where:
1. Nodes represent web pages.
2. Edges represent hyperlinks between pages.
It is massive, with billions of nodes and edges, making it one of the largest graphs ever created.
The web graph is dynamic, constantly evolving as new pages are added and old ones are removed.

Sub-Graphs: Focused Networks

A sub-graph is a smaller, more focused part of the larger web graph.

Definition

Paywall

(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Note

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam quis nostrud exercitation.

Excepteur sint occaecat cupidatat non proident

Tip

Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum.

1. System fundamentals2 subtopics

2. Computer organization1 subtopic

3. Networks1 subtopic

4. Computational thinking, problem-solving and programming3 subtopics

5. Abstract data structures (HL)1 subtopic

6. Resource management (HL)1 subtopic

7. Control (HL)1 subtopic

A. Databases4 subtopics

B. Modelling and simulation4 subtopics

C. Web science6 subtopics

D. Object-oriented programming (OOP)4 subtopics

IB Computer Science C.5.2 Web Graph Vs. Sub-graphs Notes

1. System fundamentals2 subtopics

2. Computer organization1 subtopic

3. Networks1 subtopic

4. Computational thinking, problem-solving and programming3 subtopics

5. Abstract data structures (HL)1 subtopic

6. Resource management (HL)1 subtopic

7. Control (HL)1 subtopic

A. Databases4 subtopics

B. Modelling and simulation4 subtopics

C. Web science6 subtopics

D. Object-oriented programming (OOP)4 subtopics

The Web Graph: A Global Perspective

Sub-Graphs: Focused Networks

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account

The Web Graph: A Global Perspective

Sub-Graphs: Focused Networks

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account