# Are You an AI Search Algorithm Expert?

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## 7 Questions

### What are the three main factors of search algorithms?

Search space, start state, and goal test

### What is a search tree?

A tree representation of a search problem

### What is the difference between uninformed and informed search algorithms?

Uninformed search algorithms apply brute force to traverse the tree without any information about the search space, while informed search algorithms use domain knowledge to guide the search.

### What is an optimal solution?

The lowest cost among all solutions

### What are the four essential properties to compare the efficiency of search algorithms?

Completeness, optimality, time complexity, and space complexity

### What is a path cost?

A numeric cost assigned to each path

### What are the five main types of uninformed search algorithms?

Breadth-first search, uniform cost search, depth-first search, iterative deepening depth-first search, and bidirectional search

## Study Notes

Search Algorithms in Artificial Intelligence

• Search algorithms are a crucial aspect of Artificial Intelligence for problem-solving agents.
• Rational agents or problem-solving agents mostly use search techniques or algorithms to provide the best result for specific problems.
• Search algorithms have three main factors: search space, start state, and goal test.
• Search tree is a tree representation of a search problem, with the root node corresponding to the initial state.
• Actions describe all available actions to the agent, while the transition model describes what each action does.
• Path cost assigns a numeric cost to each path, and solution is the action sequence from the start node to the goal node.
• An optimal solution is the lowest cost among all solutions.
• Completeness, optimality, time complexity, and space complexity are four essential properties to compare the efficiency of search algorithms.
• Uninformed (blind search) and informed (heuristic search) algorithms are two types of search algorithms.
• Uninformed search applies brute force to traverse the tree without any information about the search space.
• Breadth-first, uniform cost, depth-first, iterative deepening depth-first, and bidirectional search are five main types of uninformed search algorithms.
• Informed search algorithms use domain knowledge to guide the search and find a solution more efficiently than an uninformed search strategy. Greedy search and A* search are examples of informed search algorithms.

Test your knowledge on search algorithms in artificial intelligence with this quiz! From search space to goal test, explore the different factors and essential properties of search algorithms. Learn about uninformed and informed search algorithms, their types, and how they differ in their approaches to problem-solving. Challenge yourself and see how much you know about this critical aspect of artificial intelligence.

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