IPA IP 2023 Question 14

Topic: Business Industry

A question IPA Japan published in 令和5年度 ITパスポート試験 公開問題 問14, translated into English. ITPEC is based on the same exams.

Which of the following lists all and only the appropriate examples of the use of natural language processing, which is one of the fields of utilization of AI?

AOn a website, when text in Japanese is entered, it is immediately translated into another language.BText information posted on SNS at the time of a disaster is collected in real time, and place names, disaster information, and so on are analyzed to grasp the damage situation.CA smart speaker is used to operate home appliances and play music by voice.DA camera installed at the entrance and exit of a parking lot photographs license plates and performs character recognition processing, and when a vehicle that has completed payment approaches the gate, the gate opens automatically.

Explanation

A, B and C — natural language processing is AI that understands and produces human language, and these three all work on the meaning of words.

  • •A: machine translation analyses a Japanese sentence and generates the same meaning in another language: natural language processing.
  • •B: picking place names and disaster information out of free-text SNS posts is text analysis of natural language.
  • •C: a smart speaker first turns the voice into text (voice recognition) and then interprets the request, such as which appliance to operate or which song to play: natural language processing.
  • •D: reading a license plate from a camera image is image recognition (character recognition, OCR). It reads fixed characters and numbers; no sentence is understood.

Answer (a)

Why not others:

  • •(b) — includes D and leaves out C; plate reading is image recognition, while the smart speaker must understand spoken requests
  • •(c) — includes D and leaves out B, the analysis of SNS text
  • •(d) — includes D and leaves out A, machine translation, the classic example of natural language processing

Key rule: AI fields are told apart by their input: language as text or speech to be understood is natural language processing, sound turned into text is voice recognition, and pictures, including characters in a photo, are image recognition.

Business Industry · AI-written, may contain errors

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This question comes from the past questions IPA Japan publishes, translated into English by ITPEC Practice. ITPEC Practice is an independent study tool and is not affiliated with IPA or ITPEC. See the original paper (PDF) or Report an issue.