1
Web mining is the process of discovering useful information from ______.
Correct Answer
World Wide Web
☑ MCQ PRACTICE
Data Mining Unit 5
Practice objective questions for quick revision and examination preparation. Try answering each question before revealing the answer.
2
The three main categories of web mining are ______.
Correct Answer
Web structure, Web content, Web usage
3
The WWW is a ______ information service center.
Correct Answer
Distributed and global
4
The main source of noise in web data comes from ______.
Correct Answer
Advertisements and links
5
Web content mining extracts information from ______.
Correct Answer
Web page contents
6
NLP and IR techniques are primarily used in ______ mining.
Correct Answer
Web content
7
Web structure mining studies ______ between web pages.
Correct Answer
Relationships
8
The Google search engine uses which algorithm for ranking pages?
Correct Answer
PageRank
9
Web usage mining focuses on analyzing data from ______.
Correct Answer
Server logs
10
The biggest ethical issue in web usage mining is ______.
Correct Answer
Privacy invasion
11
Multimedia data mining deals with ______ types of data.
Correct Answer
Multimedia
12
Examples of multimedia data include ______.
Correct Answer
Images, audio, video
13
The two categories of multimedia data mining are ______.
Correct Answer
Static and Dynamic media
14
Text mining is also known as ______.
Correct Answer
Text data mining
15
The main goal of text mining is to extract ______ information from text.
Correct Answer
Meaningful
16
The process of splitting text into words is called ______.
Correct Answer
Tokenization
17
Lemmatization converts words to their ______.
Correct Answer
Base or root form
18
The Bag of Words (BOW) model represents text as ______.
Correct Answer
Vectors
19
TF-IDF stands for ______.
Correct Answer
Term Frequency – Inverse Document Frequency
20
Applications of text mining include ______.
Correct Answer
Resume filtering and medical analysis
Fill in the Blanks
21
Web mining uses automated methods to extract both structured and ______ data.
Correct Answer
Unstructured
22
The process of removing HTML tags and advertisements is called ______.
Correct Answer
Data preprocessing
23
The three main steps in web mining are data collection, preprocessing, and ______.
Correct Answer
Pattern discovery or mining
24
Web structure mining focuses on discovering the ______ between web pages.
Correct Answer
Link structure
25
Web usage mining helps analyze user behavior through ______.
Correct Answer
Server logs
26
Multimedia data mining extracts patterns from multimedia ______.
Correct Answer
Databases
27
________________________ is the process of deriving high quality information from text.
Correct Answer
Text Mining
28
Text mining uses ______ to allow machines to understand human language.
Correct Answer
Natural Language Processing (NLP)
29
The process of removing non-essential words like “is,” “and,” and “the” is called ______.
Correct Answer
Stop word removal
30
NLP stands for _______________________________________________.
Correct Answer
Natural Language Processing
31
The Bag of Words model ignores the ______ of words in a document.
Correct Answer
Order or position
32
Feature extraction in text mining converts text into ______ form.
Correct Answer
Numerical