Volume 13 Number 6 (Jun. 2018)
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JCP 2018 Vol.13(6): 678-691 ISSN: 1796-203X
doi: 10.17706/jcp.13.6.678-691

Genetic Algorithm and Fuzzy Logic Based Flexible Querying in Databases

Ali Şenol1, Hacer Karacan2, M. Ali Akcayol2
1Computer Engineering Department, Ardahan University, Ardahan, Turkey.
2Computer Engineering Department, Gazi University, Ankara, Turkey.

Abstract—Databases are very important sources for storing huge size of data. Today, yearly produced information is expressed as multiple size of the amount that produced before. Retrieving correct data is as important as storing it. At this point, querying becomes more important. Classical SQL queries return a record only if the database has a record which satisfies all search criteria. However, the user mostly wants to see similar records when there is no perfect match. For this reason, studies are focused on flexible SQL queries. In this sense, fuzzy logic can play an important role since it maintains the idea that there may be interval values between true and false, contrary to the logic of Aristotle. Genetic algorithm based database querying is another flexible querying approach to the mentioned problem. In this work, both approaches are applied on a sample real-estate database and the results are compared while discussing the efficiency of the two methods.

Index Terms—Flexible querying, fuzzy logic, genetic algorithm.


Cite: Ali Şenol, Hacer Karacan, M. Ali Akcayol, "Genetic Algorithm and Fuzzy Logic Based Flexible Querying in Databases," Journal of Computers vol. 13, no. 6, pp. 678-691, 2018.

General Information

ISSN: 1796-203X
Frequency: Monthly (2006-2014); Bimonthly (Since 2015)
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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