Link to solutions
Birla
Institute of Technology & Science, Pilani
Work-Integrated
Learning Programmes Division
Second
Semester 2016-2017
Mid-Semester
Test
(EC-2
Regular)
Course No. : SS ZG537
Course Title : INFORMATION RETRIEVAL
Nature of Exam : Closed Book
Weightage : 30%
Duration : 2 Hours
Date
of Exam : 25/02/2017 (FN)
No
of pages: 2
No
of questions: 7
Note:
1. Please
follow all the Instructions to Candidates given on the cover page of the
answer book.
2. All
parts of a question should be answered consecutively. Each answer should start
from a fresh page.
3. Assumptions
made if any, should be stated clearly at the beginning of your answer.
Q.1.
Discuss in brief the limitations of the Boolean
retrieval model. [2]
Q.2.
Give the name of the index we need to use if [1 + 1 + 2
= 4]
(a)
We want to consider word order in the queries and the documents
for a random number of words?
(b)
What kind of Index can we use if we assume that word order is only
important for two consecutive terms?
(c)
What is the soundex code for the following two names, Robert and
Rupert? Assume that the alphabets are mapped to numbers as follows: (B, F, P, V ® 1), (C, G, J, K, Q, S, X, Z ® 2
), (D,T ® 3), (L ® 4), (M, N ® 5) and (R ® 6) .
Q.3.
Discuss
briefly the index construction algorithm used in Distributed Indexing with a
suitable diagram.
[5]
Q.4 (a)
An
IR system returns 8 relevant documents, and 10 non-relevant documents. There
are a total of 20 relevant documents in the collection. What is the precision
of the system on this search, and what is its recall?
Q.4 (b)
What
is the likely effect of ‘Stemming’ and ‘Lemmatization’ on
i.
Vocabulary
size: Increase, Decrease, Unpredictable?
ii.
Precision:
Increase, Decrease, Unpredictable?
iii.
Recall: Increase, Decrease, Unpredictable? [2 + 3 = 5]
Q.5.
Consider
the following documents: [1 + 2 = 3]
Doc1: catholic
church in brisbane
Doc2: garden
city church brisbane
Doc3: brisbane courier garden
city
Doc4: where in brisbane catholic church
(a)
Draw
a term-document incidence matrix for this document collection.
(b)
Draw
the positional inverted index representation for this collection.
SS ZG537 (EC-2 Regular) Second Semester 2016-2017 Page 2
Q.6.
Consider the following document: “The universe contains many
different universities”
[1 + 2 + 3 + 2 = 8]
(a)
How many entries a bigram index would
contain?
(b)
If a boolean query of answering is used on
this index for the initial query uni*, what terms would you search in this
permuterm index?
(c)
How do you process queries such as univ*,uni*rse,uni*e*se by
using the permuterm index? Show what terms will you search for and how?
(d)
Use the 2-gram index and 3-gram index for processing the
following wildcard queries tol* and rea* . Is "tool" result for the
wildcard query tol* ? If the answer is yes, solve this problem.
Q.7.
Assume that Simple term frequency weights are used (with
no IDF factor), and the stop words “is”, “am” and “are” are removed. Compute
the cosine similarity of the following two documents: [Show the term frequency matrix] [3]
Doc1: Precision is very very high”
Doc2: “high precision is very very very important”
***********
Awesome...
ReplyDeleteSurvival8: Bits Wilp Software Development For Portable Devices 2017-H2 Handout >>>>> Download Now
Delete>>>>> Download Full
Survival8: Bits Wilp Software Development For Portable Devices 2017-H2 Handout >>>>> Download LINK
>>>>> Download Now
Survival8: Bits Wilp Software Development For Portable Devices 2017-H2 Handout >>>>> Download Full
>>>>> Download LINK Ye
i tried mailing you , but it is not going through. Can you please share the answers to this question paper if you have.
ReplyDeleteThanks
Mail me at ashishjainblogger@gmail.com
DeleteMention the subject(s) for which you want help.
Thanks for putting up the content in such organized manner.Great Help. Thumbs UP !!
ReplyDeleteRecorded lecture links are not working please help
ReplyDeleteIs there a group/whatsapp group for Mtech in computing systems and Infrastructure?
ReplyDeleteVery useful .. Thank you very much
ReplyDeleteAre you Looking for Smart Device Development? QuantaEd Solutions is the Best Smart Device Development Company, We design and develop smart devices that suit the healthcare requirements. For any inquiry call us we will provide all kind of assistance. For more details visit- https://quantaedsolutions.com
ReplyDeleteThis post is so interactive and informative.keep updating more information...
ReplyDeleteSoftware Testing Courses in Mumbai
Software Testing Training in Ahmedabad
Software Testing Courses in Kochi
Software Testing Courses in Trivandrum
Software Testing Courses in Kolkata
Thanks for the blog article.Thanks Again. Keep writing.
ReplyDeletejava online training hyderabad
java online training in india
Thanks for the blog article.Much thanks again. Fantastic.
ReplyDeleteonline training in java
online training on java
AI & ML in Dubai
ReplyDeletehttps://www.nsreem.com/ourservices/ai-ml/
Artificial intelligence is very widespread today. In at least certainly considered one among its various forms has had an impact on all major industries in the world today, NSREEM is #1 AI & ML Service Provider in Dubai
1634348519669-9
Thank you for giving valuable information about software for portable device, we can also develop custom software from pixabulous design.
ReplyDeleteNice Blog!!!
ReplyDeleteServiceNow Training
ServiceNow Online Training in Hyderabad
This article explains in a clear manner. Nice way of explaining. Thanks for sharing. cloud engineering services
ReplyDeleteI really liked your blog post.Much thanks again. Awesome.
ReplyDeletejava online training
java training
Data Science Training In Noida
ReplyDeleteData Science course In Noida
WILP is a set of educational programs designed in such a way that they can be easily integrated into your work life. Earlier, only highly developed nations like the US and Europe were indoctrinating WILPs but now the WILP in India have also gained a lot of popularity.
ReplyDeleteCandidates who wish to take the BITSAT should begin studying as soon as possible. Due to the high level of competition, it is critical to follow the best BITSAT 2022 preparation tips recommended by professionals. This blog post contains BITSAT 2022 study suggestions as well as exam pattern and syllabus information. Continue reading to get answers to all of your questions. To know more information visit @ SSSi Online Tutoring Services.
ReplyDeleteSurvival8: Bits Wilp Software Development For Portable Devices 2017-H2 Handout >>>>> Download Now
ReplyDelete>>>>> Download Full
Survival8: Bits Wilp Software Development For Portable Devices 2017-H2 Handout >>>>> Download LINK
>>>>> Download Now
Survival8: Bits Wilp Software Development For Portable Devices 2017-H2 Handout >>>>> Download Full
>>>>> Download LINK bO
"Thanks for sharing this informative blog on Best Software Development company in chennai,Software Development Company in chennai,
ReplyDeleteBest Software Development company in india,
Top software development company in chennai,
Software Development Company in india"
The BITS Pilani Admission Process is designed to select the brightest minds for its world-class programs. With its independent entrance exam, BITSAT, and direct admission opportunities for board toppers, the institute ensures that only the most deserving candidates secure a place.
ReplyDelete