Browsing by Author "Albey, Erinç"
Now showing items 41-47 of 47
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Rounding heuristics for multiple product dynamic lot-sizing in the presence of queueing behavior
Kang, Y.; Albey, Erinç; Uzsoy, R. (Elsevier, 2018-12)We present heuristics for solving a difficult nonlinear integer programming (NIP) model arising from a multi-item single machine dynamic lot-sizing problem. The heuristic obtains a local optimum for the continuous relaxation ... -
Sentiment analysis on social networks using machine learning and audio processing
Duşçu, Mihail (2019-08-20)Polarity classification is one of the most fundamental problems in sentiment analysis. Our study strives to develop a new definition, extraction technique and utilization of features based on the audio data for polarity ... -
Simultaneous lot sizing, scheduling workforce, overtime and shift planning MIP model including setup times and backlogging decisions
Şafak, Cevdet Utku (2017-12)Studies focusing on simultaneous lot sizing and scheduling problems, discard the effect of workforce constraints and tactical level decisions such as overtime and selected number of shifts. Generally, in production planning, ... -
Stochastic scheduling of operating rooms and reusable medical devices: a simulation optimization approach
Farajkhah, Seyyed Kian (2019-08-08)Health care expenditures are expected to grow every year, and more than 40% of a hospital's total expenses and revenues are generated by surgical surgeries. One of the major resources required during surgeries are reusable ... -
Şebeke kaynaklı müşteri şikayetleri için akıllı teşhis ve çözüm sistemleri
Kasapoğulları, T.; Öneş, O.; Albey, Erinç (IEEE, 2016)In the telecommunication sector, there exists a vast variety of protocol data (Such as ADR, IUCS, GB, IUPS, GN) produced by signaling systems. The data contains various information regarding network quality and performance. ... -
Two-level influence maximization problem under deterministic linear threshold model
Data-driven decision-making strategies can make online marketing more efficient and help companies reach a larger number of customers using limited resources. In this respect, the Influence Maximization Problem searches ... -
A web-based decision support system for quality prediction in manufacturing using ensemble of regressor chains
Demirel, Kenan Cem; Şahin, Ahmet; Albey, Erinç (Springer, 2020)In this study we construct a decision support system (DSS), which utilizes the production process parameters to predict the quality characteristics of final products in two different manufacturing plants. Using the idea ...
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