Entity Recognition — Learn free

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Questions 1–10 of 10

1. What is Entity Recognition, commonly known as NER, used for?
Question 1A. Compressing database tablesB. Identifying and extracting meaningful entities from unstructured textC. Encrypting personal dataD. Designing user interfacesE. Scheduling database backups
2. By what other names is Entity Recognition also known?
Question 2A. Data cleansing and data maskingB. Entity identification and entity extractionC. Schema design and normalisationD. Indexing and partitioningE. Tokenisation and hashing
3. In the data science lifecycle, at which stage is Entity Recognition typically applied?
Question 3A. During model deploymentB. During data wrangling and preprocessingC. After the final report is writtenD. During database backupE. During user acceptance testing
4. In the sentence "Ali visited Kuala Lumpur on 5 January 2026 to meet PETRONAS executives", what type of entity is PETRONAS?
Question 4A. PersonB. LocationC. DateD. OrganizationE. Product
5. Which extraction approach compares text against known dictionaries or master data lists?
Question 5A. Deep neural network extractorsB. Pattern matching extractorsC. Exact-match processorsD. Random samplingE. Manual review
6. What is the first step in building any data model?
Question 6A. Choosing a database vendorB. Entity identificationC. Writing SQL queriesD. Building dashboardsE. Defining backup schedules
7. How does Entity Recognition support data governance?
Question 7A. By deleting sensitive data automaticallyB. By enriching metadata and improving data lineage tracking back to unstructured originsC. By replacing the need for a data catalogueD. By encrypting all text filesE. By limiting who can log in
8. Which is an example of a more advanced Entity Recognition capability?
Question 8A. Sorting rows alphabeticallyB. Distinguishing between two different people who share the same nameC. Converting a table to CSVD. Counting the words in a documentE. Changing a file's encoding
9. In the school example "I met Mr. Ahmad on Monday to discuss the Math exam", what would "Math" be identified as?
Question 9A. A PersonB. A DateC. A SubjectD. An OrganizationE. A Location
10. From a data modeller's point of view, what is Entity Recognition?
Question 10A. A replacement for stakeholder interviewsB. A bridge between unstructured chaos and structured clarityC. A purely academic exerciseD. A way to avoid conceptual modellingE. A technique only for social media data