Information retrieval

3. What to do if there is no exact match between query term and document term?
5. What metric is used to assess the performance of classifiers?
7. Which symbol is commonly used in wildcard queries to represent any sequence of characters?
9. the technique of converting the words of a sentence to its dictionary form.
14. The process of removing most common words (and, or, the, etc.) by an information retrieval system before indexing is known as
15. What type of index uses attributes or metadata for retrieval?
16. the ability to retrieve all relevant information.

1. What type of data structure is used to store and search zone information efficiently?
2. In which indexing technique is used in information retrieval to efficiently construct an inverted index for large datasets.
4. Which algorithm is commonly used for phonetic correction?
6. What type of evaluation measures how well a classifier predicts?
8. which distance is a string metric for measuring the difference between two sequences.
10. The process of converting multiple terms into a single term for indexing and retrieval
11. what geometric concept is used to measure the similarity between documents?
12. Which indexes for isolated word spelling correction
13. accuracy of the retrieved information.