Huawei H13-321 Exam Practice Test Instant Access

Question 1

The bag-of-words model is the earliest text vectorization method with words as the basic processing unit. Which of the following options is not the bag of words model.

ABased on the distribution assumption

BThere is a semantic gap

CDimensional disaster

DOrder information cannot be retained

Answer : C

Question 2

The LDA algorithm assumes that the prior distribution of topics in documents and the prior distribution of words in topics follow the Dirichlet distribution.

ATRUE

BFALSE

Answer : A

Question 3

The TF algorithm is a statistical word that appears in how many documents in the document set. The basic idea is that if a word appears in fewer documents, the stronger the ability to distinguish documents.

ATRUE

BFALSE

Answer : B

Question 4

TF-IDF is a calculation method based on statistics, commonly used to evaluate the importance of a word in a document set to all documents.

ATRUE

BFALSE

Answer : B

Question 5

What is incorrect about the following analysis?

ARule-based word segmentation is simple and efficient, but dictionary maintenance is difficult

BIn practical engineering applications, word segmentation generally uses only one word segmentation method

CChinese is different from English natural word segmentation. Chinese word segmentation is a basic step in text processing. The performance of word segmentation directly affects the performance of other modules such as part of speech, syntax, etc.

DThe purpose of statistical word segmentation is to calculate the probability of the word segmentation result and obtain the word segmentation method with the highest probability

Answer : B

Question 6

Word2vce uses the cosine value to calculate the similarity, the distance range is between 0-1, the larger the value, the higher the correlation between the two words.

ATRUE

BFALSE

Answer : A

Question 7

Word2vce is an open source tool for goodle, which can calculate the distance between words based on the set of input words.

ATRUE

BFALSE

Answer : B

Huawei H13-321 HCIP-AI-EI Developer V2.0 Exam Practice Test