Betul Karakus

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Distributed Readability Analysis Of Turkish Elementary School Textbooks

arXiv (Cornell University), Feb 11, 2018

The readability assessment deals with estimating the level of difficulty in reading texts.Many re... more The readability assessment deals with estimating the level of difficulty in reading texts.Many readability tests, which do not indicate execution efficiency, have been applied on specific texts to measure the reading grade level in science textbooks. In this paper, we analyze the content covered in elementary school Turkish textbooks by employing a distributed parallel processing framework based on popular MapReduce paradigm. We outline the architecture of a distributed Big Data processing system which uses Hadoop for full-text readability analysis. The readability scores of the textbooks and system performance measurements are also given in the paper.

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Call center performance evaluation using big data analytics

2016 International Symposium on Networks, Computers and Communications (ISNCC), 2016

Quality monitoring for the call centers can be described as the process of listening to the recor... more Quality monitoring for the call centers can be described as the process of listening to the recorded calls in order to measure the performance of a customer service representative or agent. The main challenge of quality monitoring is that managers have no time to listen all the records and therefore only a few of the stored calls are randomly selected. This results in inaccurate performance measurements, since most of call records can not be listened. This paper presents a distributed call monitoring system for assessing all recorded calls using several quality criteria. In the proposed system, we analyze large amount of call records using popular Hadoop MapReduce framework and utilize text similarity algorithms such as Cosine and n-gram. We also integrated slang word lists to our monitoring system. Empirical call records are used to demonstrate the performance of proposed call monitoring system.

Architecture and Implementation of a Scalable Sensor Data Storage and Analysis System Using Cloud Computing and Big Data Technologies

Journal of Sensors, 2015

Sensors are becoming ubiquitous. From almost any type of industrial applications to intelligent v... more Sensors are becoming ubiquitous. From almost any type of industrial applications to intelligent vehicles, smart city applications, and healthcare applications, we see a steady growth of the usage of various types of sensors. The rate of increase in the amount of data produced by these sensors is much more dramatic since sensors usually continuously produce data. It becomes crucial for these data to be stored for future reference and to be analyzed for finding valuable information, such as fault diagnosis information. In this paper we describe a scalable and distributed architecture for sensor data collection, storage, and analysis. The system uses several open source technologies and runs on a cluster of virtual servers. We use GPS sensors as data source and run machine-learning algorithms for data analysis.

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Betul Karakus

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