Web3

Question 1

What is Web 3.0 known as?

Answer 1

Semantic web

Question 2

What years did Web 3.0 cover?

Answer 2

2010-2020

Question 3

What feature was added to web documents in Web 3.0?

Answer 3

A machine readability feature was added to allow machines to understand and respond to semantically structured human requests.

Question 4

How does the Semantic Web improve data management?

Answer 4

It enables data to be used in various applications and shared across communities and enterprises more easily.

Question 5

In Web 3.0, who owns the data?

Answer 5

Data are not owned but shared by services or application devices representing different views of the same data.

Question 6

Provide an example of how data sharing works in Web 3.0.

Answer 6

When a user searches for a specific flight, related data can be used to show nearby hotels or car rental options.

Question 7

What are the building blocks of the layered architecture of Web 3.0? (Bottom to top)

Answer 7

Unicode/URI
XML
RDF
Ontology
Logic
Proof
Trust

Question 8

What is a URI/IRI?

Answer 8

URI/Internationalized Resource Identifier is a unique string used to identify or address resources on the web.

Question 9

What does XMIL stand for and what is its purpose?

Answer 9

XML stands for Extensible Markup Language, which is used for representing hierarchically structured data in a text file readable by both humans and machines.

Question 10

What is the Resource Description Framework (RDF)?

Answer 10

RDF is a model for formulating logical statements about resources, based on directed graphs with statements composed of subject, predicate, and object (triples).

Question 11

What is an ontology in the context of Web 3.0?

Answer 11

Ontology is a vocabulary for a specific area of knowledge that describes terms or classes and their relationships, arranged in a hierarchy with inference and integrity rules.

Question 12

How does logic function in the context of Web 3.0?

Answer 12

Logic formalizes arguments to check their validity, often using first-order predicate logic based on propositional logic.

Question 13

What is the role of proof in Web 3.0?

Answer 13

Proof involves verifying conclusions established in the logic layer by searching the web for rules and ontologies to confirm or disprove those conclusions.

Question 14

How is trust established in Web 3.0?

Answer 14

Trust is established using digital signatures to determine whether the proof should be trusted or not.

Question 15

What are the characteristics of Web 3.0?

Answer 15

1.Software as a service (SaaS) business model
2.Open-source software platform
3.Distributed database
4.Intelligent web

Question 16

What are the limitations of Web 3.0?

Answer 16

• Lack of ability to eliminate semantically duplicated terms
• Vague user queries
• Inconsistencies arise when combining various sources
• The content producer can deceive the consumer