Engineering Research Methodology -- Kahani 1
Engineering Research
MethodologyPresented by:
Dr. Mohsen Kahani Computer Engineering DepartmentFerdowsi University of Mashhad
http:// kahani.profcms.um.ac.ir
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What is Research?
The systematic investigation into and study of materials, sources, etc, in order to establish facts and reach new conclusions.
An endeavour to discover new or collate old facts etc by the scientific study of a subject or by a course of critical investigation
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Research Methodologies
Scientific method
Engineering method
Empirical method
Analytical method
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Scientific method
Observe real world
Propose a model or theoryof some real world phenomena
Measure and analyzeabove
Validate hypotheses of the model or theory
If possible, repeat
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Engineering method
Observe existing solutions
Propose better solutions
Build or develop bettersolution
Measure, analyze, andevaluate
Repeat until no further improvements are possible
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Empirical method
Propose a model
Develop statistical or otherbasis for the model
Apply to case studies
Measure and analyze
Validate and then repeat
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Analytical method
Propose a formal theory or set ofaxioms
Develop a theory
Derive results
If possible, compare withempirical observations
Refine theory if necessary
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Different Types of Research
Fundamental Research
Applied Research
Developmental Research
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Activities
Find your Topic Do a review of the literature Formulate your thesis Defend your thesis title Develop your solution Validate and compare your answer Write up Defend your thesis
Search the Internet has an important roleSearch the Internet has an important role
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Find Research Topic
Check for conference CFP and conference programs
Check Other universities research topics Test your topic
• too much information --- narrow your topic
• too little information -- use synonyms, hypernyms
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Literature Review
FIND BACKGROUND INFORMATION• WikiPedia
USE CATALOGS TO FIND BOOKS AND MEDIA USE INTERNET TO FIND PERIODICAL ARTICLES READ & EVALUATE WHAT YOU FIND CITE WHAT YOU FIND USING A STANDARD
FORMAT
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Search Library
Connect to the University Library • http://c-library.um.ac.ir/
Use Guides to learn how to use the system Click on كتابخانه منابع وتمديد جستجو
• http://clibrary.um.ac.ir/simwebclt/WebAccess/SimwebPortal.dll
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Searching the web
Search engines How do they work?
1. Gathering information from the web (offline)
2. Indexing documents
3. Responding to the queryies
4. Rendering the findings
Different Search engines, different startegies General purpose vs. special purpose Search
engines Use Advanced Search for more options Be hunter not searcher
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The Invisible Web
What is it?• Part of the web that can’t be indexed by search engines
The invisible web is now (mostly) visible• Search engines are now more powerful
- Dynamic sites are indexed
- Use hints from sites (eg. robots.txt)
• Databases have opened their doors for search engines- Eg. Sciendirect, IEEEexplore, ACM, …
• Search engine have special tools- Eg. Google scholar, Google groups, Google Maps, …
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Evaluation & Comparison
Validate your results• Simulation methods & tools
• Analyze your results
Use Scientific approaches Compare with similar works
• Redo their work
• Compare with the published results
• Use standard metrics (if exists)
Concentrate on both pros & cons
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Write Up
Dr. Pour Reza will talk about it in details Publish your results in conferences
• Go for prestigious conferences
• International Conferences costs you a lot
Publish the complete works in journals• Use only accredited journals (ISI)
• Some journals charge you as well
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