Abdullah Doğan

E-mail
abdogan@metu.edu.tr
Department
Graduate School of Natural and Applied Sciences
Web of Science Researcher ID
Cosine Similarity-Based Pruning for Concept Discovery
Doğan, Abdullah; MUTLU, ALEV; Karagöz, Pınar (SPRINGER INT PUBLISHING AG, GEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND; 2016-10-28)
In this work we focus on improving the time efficiency of Inductive Logic Programming (ILP)-based concept discovery systems. Such systems have scalability issues mainly due to the evaluation of large search spaces. Evaluat...
Utilizing Coverage Lists as a Pruning Mechanism for Concept Discovery
Mutlu, Alev; Doğan, Abdullah; Karagöz, Pınar (2014-10-28)
Inductive logic programming (ILP)-based concept discovery systems lack computational efficiency due to the evaluation of the large search spaces they build. One way to tackle this issue is employing pruning mechanisms. In ...
Classifications of hardgrounds based upon their strength properties
Doğan, Abdullah; OZSAN, A; DOGAN, M; Karpuz, Celal; BRENNER, RL (2006-06-01)
Rock samples from the Baglum-Kosrelik area, 30 km north of Ankara, Turkey have been studied petrographically in detail to differentiate between nodular limestones and hardgrounds. However, it is found that petrographic cri...
Water soluble distyryl-boradiazaindacenes as efficient photosensitizers for photodynamic therapy
Atilgan, Serdar; Ekmekci, Zeynep; Doğan, Abdullah; Guc, Dicle; Akkaya, Engin U. (2006-01-01)
We introduce a novel class of water soluble, extended conjugation boradiazaindacene dyes which are efficient singlet oxygen generators and have spectacular photoinduced cytotoxicity when excited in the "therapeutic window"...
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