IDk

Question 1

What are the 4 phases of Watson architecture and what do they use

Answer 1

1. query processing - natural language processing
2. answer candidate generation - information retrieval
3. evidence retrieval and scoring - knowledge and reasoning
4. evidence ranking - machine learning

Question 2

Types of knowledge

Answer 2

• temporal knowledge
• geographical knowledge
• biographical knowledge
• linguistic knowledge

Question 3

Propositional logic operators

Answer 3

• and
• or
• not
• implies (arrow)

Question 4

First order logic adds…

Answer 4

• constants
• relations
• quantifiers

Question 5

What do constant variable and predicates do

Answer 5

Constant: represents some objects
Variable: denotes some unknown object/constant
Predicate: denotes a relation between two objects

Question 6

disadvantage of Forward Chaining

Answer 6

finds all possible solution

Question 7

what is An ontology

Answer 7

An ontology is an explicit specification of a conceptualization.

Question 8

What is an Ontology?

Answer 8

Ontology (without a or the) is the philosophical study of being
In computer science (with a or the)
- a formalized description of a domain
- a shared vocabulary
- a logical theory

Question 9

WHat is Semantic Network

Answer 9

If we have multiple statements about the same entities we speak of a Semantic Network