Question: Question 25 (4 points) An IR system returns 500 documents, of which 200 are irrelevant. There are a total of 800 relevant documents in the

Question 25 (4 points) An IR system returns 500 documents, of which 200 are irrelevant. There are a total of 800 relevant documents in the collection. What will the Recall and Precision of the system, respectively, be on this search? () 3/8.3/5 () 2/5,2/8 () 2/8,3/8 () 3/5.3/8

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Question 5 : 5 . 1 An IR system returns 8 relevant documents, and 1 0 nonrelevant documents. There are a total of 2 0 relevant documents in the collection. What is the precision of the system on this...

I've attached the question as a word file, thanks! c04AccrualAccountingConcepts.qxd 8/3/10 1:50 PM Page 162 chapter 4 ACCRUAL ACCOUNTING CONCEPTS the navigator Scan Study Objectives Read Feature...

I have included the question as a word file. I also added text from the chapter in case it might help. c04AccrualAccountingConcepts.qxd 8/3/10 1:50 PM Page 162 chapter 4 ACCRUAL ACCOUNTING CONCEPTS...

I've attached the question as a word file, thanks! c04AccrualAccountingConcepts.qxd 8/3/10 1:50 PM Page 162 chapter 4 ACCRUAL ACCOUNTING CONCEPTS the navigator Scan Study Objectives Read Feature...

Q 5 . Eraluation of IR systems a ) If an IR system returns 8 relevant documents, and 1 0 nonrelevant documents. There are a total of 2 0 relevant documents in the collection. Calculate the precision...

I've attached the questions as a word file. Thanks! c04AccrualAccountingConcepts.qxd 8/3/10 1:50 PM Page 162 chapter 4 ACCRUAL ACCOUNTING CONCEPTS the navigator Scan Study Objectives Read Feature...

Please answer all of the following questions. Chapter 4 questions Question 1 The Accounting Cycle - How do the different steps affect the financial statements? What is the effect on the financial...

The car rental business was affected by general economic conditions and more particularly by conditions in the travel industry, especially airline traffic. There was a high correlation between...

Do the following for the data points (0,7), (1,15), (2,5), and (3,17). (a) Find the quadratic function of the form y = a + bx + cx which best fits the data. = -9 b = 1 C = -1 (b) Find the quadratic...

Ceda Co. has equipment that cost $80,000 and that has been depreciated $50,000. Instructions Record the disposal under the following assumptions. (a) It was scrapped as having no value. (b) It was...

The term "earnings and profits" is well defined in the Internal Revenue Code. Group startsTrue or False

Evaluate. d [arctan 2 In 2] dx