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Replies to This Discussion

With data mining, the best way to accomplish this is by setting aside some of your data in a vault to isolate it from the mining process; once the mining is complete, the results can be tested against the isolated data to confirm the model's _______.
Validity (Right Answer)
Security
Integrity
None of above

The automated, prospective analyses offered by data mining move beyond the analyses of past events provided by _____________ tools typical of decision support systems.
Introspective
Intuitive
Reminiscent
Retrospective (Right Answer)

The technique that is used to perform these feats in data mining is called modeling, and this act of model building is something that people have been doing for a long time, certainly before the _________ of computers or data mining technology.
Access
Advent (Right Answer)
Ascent
Avowal

Classification consists of examining the properties of a newly presented observation and assigning it to a predefined ____________.
Object
Container
Subject
Class (Right Answer)

During business hours, most ______ systems should probably not use parallel execution.
OLAP
DSS
Data Mining
OLTP (Right Answer)

In contrast to statistics, data mining is ______ driven.
Assumption
Knowledge (Right Answer)
Human
Database

Data mining derives its name from the similarities between searching for valuable business information in a large database, for example, finding linked products in gigabytes of store scanner data, and mining a mountain for a _________ of valuable ore.
Furrow
Streak
Trough
Vein (Right Answer)

As opposed to the outcome of classification, estimation deal with __________ valued outcome.
Discrete (Right Answer)
Isolated
Continuous
Distinct

The goal of ideal parallel execution is to completely parallelize those parts of a computation that are not constrained by data dependencies. The smaller the portion of the program that must be executed __________, the greater the scalability of the computation.
In Parallel
Distributed
Sequentially (Right Answer)
None of above

Data mining evolve as a mechanism to cater the limitations of ________ systems to deal massive data sets with high dimensionality, new data types, multiple heterogeneous data resources etc.
OLTP (Right Answer)
OLAP
DSS
DWH

The goal of ideal parallel execution is to completely parallelize those parts of a computation that are not constrained by data dependencies. The ______ the portion of the program that must be executed sequentially, the greater the scalability of the computation.
Larger
Smaller (Right Answer)
Unambiguous
Superior

The goal of ___________ is to look at as few blocks as possible to find the matching records(s).

Indexing (Right Answer)
Partitioning
Joining
None of above

In nested-loop join case, if there are 'M' rows in outer table and 'N' rows in inner table, time complexity is
O (M log N)
O (log MN)
O (MN) (Right Answer)
O (M + N)

Data mining derives its name from the similarities between searching for valuable business information in a large database, for example, finding linked products in gigabytes of store scanner data, and mining a mountain for a _________ of valuable ore.
Furrow
Streak
Trough
Vein (Right Answer)

The technique that is used to perform these feats in data mining is called modeling, and this act of model building is something that people have been doing for a long time, certainly before the _________ of computers or data mining technology.
Access
Advent (Right Answer)
Ascent
Avowal

There are many variants of the traditional nested-loop join. If there is an index and that index is exploited, then it is called
Naive nested-loop join
Index nested-loop join (Right Answer)
Temporary index nested-loop join
None of these

Data mining is a/an __________ approach, where browsing through data using data mining techniques may reveal something that might be of interest to the user as information that was unknown previously
Non-Exploratory
Exploratory (Right Answer)
Computer Science
None of these

With data mining, the best way to accomplish this is by setting aside some of your data in a ________ to isolate it from the mining process; once the mining is complete, the results can be tested against the isolated data to confirm the model's validity.
Cell
Disk
Folder
Vault (Right Answer)

The automated, prospective analyses offered by data mining move beyond the analyses of past events provided by _____________ tools typical of decision support systems.
Introspective
Intuitive
Reminiscent
Retrospective (Right Answer)

There are many variants of the traditional nested-loop join. When the entire table is scanned it is called
Index nested-loop join
Naive nested-loop join (Right Answer)
Temporary index nested-loop join
None of these

As opposed to the outcome of classification, estimation deal with __________ valued outcome.
Discrete (Right Answer)
Isolated
Continuous
Distinct

Data mining evolve as a mechanism to cater the limitations of ________ systems to deal massive data sets with high dimensionality, new data types, multiple heterogeneous data resources etc.
OLTP (Right Answer)
OLAP
DSS
DWH

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Extension in due date for Quiz#04 Dated: Feb 20, 15

Dear Students,

Due to some technical problem and inaccessibility of VULMS on 19 February, 2015, the due date for Quiz#04 is extended and now due date for Quiz#04 is20 February, 2015. Those students who missed their quiz previously can attempt Quiz#04 on or before February 20, 2015

Regards,
Instructor CS614

 

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