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Browsing Makale Koleksiyonu by Author

Browsing Makale Koleksiyonu by Author "Demiriz, Ayhan"

Now showing items 1-9 of 9

A framework for balanced service and cross-selling by using queuing science

Kula, Ufuk; Akbilek, Nevra; Demiriz, Ayhan (SPRINGER, 2009)

Contact centers are complex call centers to handle large volume of inbound, outbound or both types of calls depending on the business purpose. Call centers assume the role of the primary contact medium for many companies ...
AIP Conference Proceedings

Turgay Turker; Demiriz, Ayhan; Cy Chen; Snı Ibrahim; Ls Lee; Fp Lim; Mzam Jaffar; Ms Mustafa; Ms Rana (AMER INST PHYSICS, 2016)

In modern economies, companies place a premium on managing their workforce efficiently especially in labor intensive service sector, since the services have become the significant portion of the economies. Tour scheduling ...
An Integrated Approach for Shift Scheduling and Rostering Problems with Break Times for Inbound Call Centers

Turgay Turker; Demiriz, Ayhan (HINDAWI LTD, 2018)

It may be very difficult to achieve the optimal shift schedule in call centers which have highly uncertain and peaked demand during short time periods. Overlapping shift systems are usually designed for such cases. This ...
Fuzzy Rule-Based Analysis of Spatio-Temporal ATM Usage Data for Fraud Detection and Prevention

Betul Ekizoglu; Demiriz, Ayhan; Z Tang; J Du; S Yin; L He; R Li (IEEE, 2015)

We present a novel approach for detecting fraudulent behaviors from automated teller machine (ATM) usage data by analyzing geo-behavioral habits of the customers describe the use of a fuzzy rule-based system capable of ...
Fuzzy rule-based analysis of spatio-temporal ATM usage data for fraud detection and prevention

Demiriz, Ayhan; Betul Ekizoglu (IOS PRESS, 2016)

This article presents a novel approach for detecting fraudulent behaviors from automated teller machine (ATM) usage data by analyzing geo-behavioral habits of the customers and describe the use of a fuzzy rule-based system ...
Re-mining item associations: Methodology and a case study in apparel retailing

Demirer, Ahmet; Kula, Ufuk; Demiriz, Ayhan (ELSEVIER SCIENCE BV, 2011)

Association mining is the conventional data mining technique for analyzing market basket data and it reveals the positive and negative associations between items. While being an integral part of transaction data, pricing ...
Using constraint programming for the design of network-on-chip architectures

Demiriz, Ayhan; Nader Bagherzadeh; Abdulaziz Alhussein (SPRINGER WIEN, 2015)

NoC technology is composed of packet-based interconnections, where the communication resources are distributed across the network. Therefore, the optimal resource utilization is a crucial consideration for efficient ...
Using Location Aware Business Rules for Preventing Retail Banking Frauds

Demiriz, Ayhan; Betul Ekizoglu (IEEE, 2015)

Fraud detection procedures for national and international economies have become quite an important task. Ensuring the security of transactions carried out by banks and other financial institutions is one of the major factors ...
Voltage island based heterogeneous NoC design through constraint programming

Demiriz, Ayhan (PERGAMON-ELSEVIER SCIENCE LTD, 2014)

This paper discusses heterogeneous Network-on-Chip (NoC) design from a Constraint Programming (CP) perspective and extends the formulation to solving Voltage-Frequency Island (VFI) problem. In general, VFI is a superior ...