Browsing by Author "Arı, İsmail"
Now showing items 21-40 of 54
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High-performance complex event processing using continuous sliding views
Ray, M.; Rundensteiner, E. A.; Liu, M.; Gupta, C.; Wang, S.; Arı, İsmail (ACM, 2013)Complex Event Processing (CEP) has become increasingly important for tracking and monitoring anomalies and trends in event streams emitted from business processes such as supply chain management to online stores in e-commerce. ... -
High-performance nested CEP query processing over event streams
Liu, M.; Rundensteiner, E.; Dougherty, D.; Gupta, C.; Wang, S.; Arı, İsmail; Mehta, A. (IEEE, 2011)Complex event processing (CEP) over event streams has become increasingly important for real-time applications ranging from health care, supply chain management to business intelligence. These monitoring applications submit ... -
Hybrid job scheduling for improved cluster utilization
Arı, İsmail; Kocak, Uğur (Springer Science+Business Media, 2014)In this paper, we investigate the models and issues as well as performance benefits of hybrid job scheduling over shared physical clusters. Clustering technologies that are currently supported include MPI, Hadoop-MapReduce ... -
Hybrid job scheduling for improved shared cluster utilization
Koçak, Uğur (2014-01)Bu tezde, bilgisayar küme yapıları üzerinde hibrid iş yüklerinin birlikte işlenmesiyle ilgili modeller, sorunlar ve performans kazanımları incelenmektedir. Desteklenen kümeleme teknolojileri arasında MPI, Hadoop-MapReduce ... -
Joint frequency allocation and power control for minimum downlink interference in femtocellular networks
Ferazoğlu, Gülden (2013-01)Due to the fact that the most of data services and more than half of calls are requested indoors, it has been dramatically important and even a must for cellular operators to provide more than adequate indoor coverage. ... -
Kombi̇natoryal test tekni̇kleri̇ni̇n karmaşık olay i̇şleme motorlarında uygulanması
Arı, İsmail; Ölmezoğulları, Erdi; Sözer, Hasan (IEEE, 2012)Testing practice has a critical place during the design, implementation and integration of software, hardware and complex systems composed of these. Cost of failures caused by bugs that could not be detected and fixed early ... -
MaLeFICE: Machine learning support for continuous performance improvement in computational engineering
Sönmezer, Hasan Berk; Muhtaroğlu, Nitel; Arı, İsmail; Gökçin, Deniz (Wiley, 2022-04-25)Computer aided engineering (CAE) practices improved drastically within the last decade due to ease of access to computing resources and open-source software. However, increasing complexity of hardware and software settings ... -
Model-based runtime monitoring of smart city systems
İnçki, Koray; Arı, İsmail (Elsevier, 2018)The pace of proliferation for smart systems in city wide applications is unmatched. The introduction of Internet of Things (IoT), an enabler of smart city phenomenon, has incubated a productive environment for such ... -
Multivariate sensor data analysis for oil refineries and multi-mode identification of system behavior in real-time
Khodabakhsh, Athar; Arı, İsmail; Bakır, M.; Ercan, Ali Özer (IEEE, 2018)Large-scale oil refineries are equipped with mission-critical heavy machinery (boilers, engines, turbines, and so on) and are continuously monitored by thousands of sensors for process efficiency, environmental safety, and ... -
NEEL: The nested complex event language for real-time event analytics
Liu, M.; Rundensteiner, E. A.; Dougherty, D.; Gupta, C.; Wang, S.; Arı, İsmail; Mehta, A. (Springer International Publishing, 2011)Complex event processing (CEP) over event streams has become increasingly important for real-time applications ranging from health care, supply chain management to business intelligence. These monitoring applications submit ... -
A novel runtime verification solution for LoT systems
İnçki, Koray; Arı, İsmail (IEEE, 2018)Internet of Things (IoT) systems promise a seamless connected world with machines integrating their services without human intervention. It's highly probable that the entities participating in such autonomous machine to ... -
Observing interoperability of IoT systems through model-based testing
İnçki, Koray; Arı, İsmail (Springer Nature, 2018)Internet of Things (IoT) has drastically modified the industrial services provided through autonomous machine-to-machine interactions. Such systems comprise of devices manufactured by various suppliers. Verification is a ... -
Online association rule mining over fast data
Ölmezoğulları, Erdi; Arı, İsmail (IEEE, 2013)To extract useful and actionable information in real-time, the information technology (IT) world is coping with big data problems today. In this paper, we present implementation details and performance results of ReCEPtor, ... -
Optimizing complex sequence pattern extraction using caching
Ray, M.; Lui, M.; Rundensteiner, E.; Dougherty, D. J.; Gupta, C.; Wang, S.; Mehta, A.; Arı, İsmail (IEEE, 2011)Complex Event Processing (CEP) has become increasingly important for tracking and monitoring complex event anomalies and trends in event streams emitted from business processes such as supply chain management to online ... -
Öbekleme eniyilemesi ve sağlamlığı için yinelemeli bir yaklaşım
Gümüş, H.; Korkmaz Özay, E.; Arı, İsmail; Çataltepe, Z. (IEEE, 2012)Clustering is a common technique, in all areas where information is obtained from the collected data. In this work, three well-known clustering algorithms namely, K-means, Spectral and DBSCAN are investigated in terms of ... -
P2P live scalable video streaming with ALTO service
Kırkgül, İsmail Serkan (2012-10)It has been measured that, as high as 80% of the average Internet traffic is now from peer-to-peer (P2P) applications, and upwards of 90% during peak hours. These results tell us that a significant portion of the traffic ... -
Processing nested complex sequence pattern queries over event streams
Liu, M.; Ray, M.; Rundensteiner, E. A.; Dougherty, D. J.; Gupta, C.; Wang, S.; Arı, İsmail; Mehta, A. (ACM, 2010)Complex event processing (CEP) has become increasingly important for tracking and monitoring applications ranging from healthcare, supply chain management to surveillance. These monitoring applications submit complex event ... -
Rafinerilerdeki büyük veri problemlerine gerçek-zamanlı veri uzlaştırma çözümleri
Bakır, M.; Aydoğan, B.; Aydın, M.; Khodabakhsh, Athar; Arı, İsmail; Ercan, Ali Özer (IEEE, 2014)Rafineriler tonlarca ham petrolün, her gün faklı kimyasal işlemden geçirilerek benzine ve diğer yan ürünlere dönüştürüldüğü dev endüstriyel tesislerdir. Bu makalede sensör-tabanlı petrol rafinelerine özel endüstriyel büyük ... -
Real-time event correlation and alarm rule mining models for complex event processing systems
Çelebi, Ömer Faruk (2013-08)World is creating the same quantity of data every two days, as it created from up until 2003. Evolving data streams are key factor for the growth of data created over the last few years. Streaming data analysis in real-time ...
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