Download PTU M.Tech. CSE 3rd Semester 74162 INFORMATION RETRIEVAL Question Paper

Download PTU. I.K. Gujral Punjab Technical University (IKGPTU) M.Tech. CSE 3rd Semester 74162 INFORMATION RETRIEVAL Question Paper.

1 | M-74162 (S9)-455
Roll No. Total No. of Pages : 01
Total No. of Questions : 08
M.Tech.(CSE Engg.) El-I (2015 to 2017) (Sem.?3)
INFORMATION RETRIEVAL
Subject Code : MTCS-305
M.Code : 74162
Time : 3 Hrs. Max. Marks : 100

INSTRUCTION TO CANDIDATES :
1. Attempt any FIVE questions out of EIGHT questions.
2. Each question carries TWENTY marks.

1) Discuss index construction. What are the constraints that govern the design of indexing
algorithms? (20)
2) Discuss the role of clustering in information retrieval. State its applications. Explain
different criteria of clustering quality. (20)
3) What is content based ranking? Explain tf-idf weighting with a suitable example. Why is
the idf of a term always finite? (20)
4) Consider the vector-space representation of documents and compare the cosine distance to
the ordinary Euclidean distance. Show that for vectors of unit length the ranking induced
by the two distances is the same. (20)
5) i) How do you select an information resource? What are different reference database
types? What are different ways to search for information in a database? (10)
ii) How do you build your search? Discuss the ways to refine a search based on the initial
results. And how the search results are evaluated? (10)
6) What are different challenges in XML retrieval? Discuss text central vs. data centric XML
retrieval. State evaluation of XML retrieval. (20)
7) What is sentiment analysis? What are its applications? State different levels of sentiment
analysis investigation. (20)
8) Explain in detail sentiment classification using any supervised learning technique like e.g.,
na?ve Bayes classification, and support vector machines (SVM), etc. Write the formula
where needed. (20)
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student..
FirstRanker.com - FirstRanker's Choice