LIS Links
First and Largest Academic Social Network of LIS Professionals in India
LIS Links Becoming More Social
Birthdays
Birthdays Today
Latest Activity
Online Workshop on "Unlock Bibliometric Insights-Bibliometric Analysis with Open-Source Tools"
November 30, 2024 at 6pm to December 1, 2024 at 7pmRRLF Sponsored Two-Day International Conference on 'Building Sustainable Libraries in Connecting Communities: Librarianship, Technology, and Collaboration'
February 7, 2025 at 6pm to February 8, 2025 at 7pmRe-Imagining Libraries (ReIL-2025): National Conference on Balancing Tradition and Innovation in a Digital Era
January 10, 2025 from 6pm to 7pm
Advertisement for Deputy Librarian Group A position against lien vacancy in Tripura University, Agartala, Tripura
Walk-in-Interview Notification for Engaging of Assistant Librarian (Temporary) @ Dr. G. Ramachandran Library, Gandhigram Rural Institute (Deemed to be University), Dindigul, Tamilnadu.
Markaz Group of Schools, Karanthur, Kozhikode Kerala-673571 are Hiring
The South Asian University, New Delhi and LIS Academy, Bangalore are organising the Global Library Summit–2025 during 5-7 February 2025 at Dr.Ambedkar International Centre, Janpath, New Delhi
February 5, 2025 at 6pm to February 7, 2025 at 7pmDELNET Annual Lecture: "Sharing as Strength: Libraries as Connection Machines" by Prof. Emily Drabinski, Past President, ALA, USA, on Tuesday, December 3, 2024, at 11:30 AM IST.
December 3, 2024 from 11:30am to 1pmRefresher Course in LIS at UGC-Malaviya Mission Teacher Training Centre (MMTTC), University of Rajasthan, Jaipur
January 6, 2025 at 6pm to January 18, 2025 at 7pm
Advanced Training programme on Bibliometrics and Research Output Analysis at Library Network Centre, Infocity, Gandhinagar382007, Gujarat, India.
6th NACML (National Conference on Management of Modern Libraries) - 2025 at Dr. TMA Pai Hall
UGC NET
Dear Friends ,
Please give your valuable suggestion and the formula of below question.
Q1. A retrieval system retrieves a total of 50% documents, out of these 40 are irrelevant.Another 10 document which where relevant were not retrieved . The Precision percentage of that query would be ?
Ans.
A} 40%
B} 20%
C}60%
D} 80%
Given ans is :- B} 20%
Views: 340
Replies to This Forum
-
Permalink Reply by Sangeeta Dubey on
-
Lot of thanks Balvant sir
-
Permalink Reply by K. Nagaraja Rao on
-
I think Precision is defined as intersection of relevant documents and retrieved documents divided by retrieved documents.
In this question there are 20 relevant documents and only 10 documents are retrieved (50-40), which is divided by total retrieved documents which is 50. ie., 10/50 =1/5 ie., 20% precision.
This will become easy to understand when diagrams are drawn.
-
-
Sir,
I got 2 questions related this type. kindly see d previous one also. You can see second ques. in Discussion tittle is UGC NET 1996.
May be you will get more ideas.so pls share
© 2024 Created by Dr. Badan Barman.
Powered by
