Prof. Dr. Hayri SEVER

HAYRI SEVER, Ph.D.

PROFESSOR of SOFTWARE ENGINEERING DEPARTMENT

e-mail:	sever@cankaya.edu.tr
Land Phone (Work)	+90(312) 233 1343
Fax:	+90(312) 233 1026
Mobile:	+90(537) 983 8470
Linkedin:	www.linkedin.com/in/hayrisever
ORCID ID:	https://orcid.org/0000-0002-8261-0675
Research Gate:	https://www.researchgate.net/profile/Hayri_Sever
Address:	Computer Engineering Department, Engineering Faculty, Cankaya University, Yukariyurtcu 06790 Etimesgut Ankara

Dr. Hayri Sever has been a Faculty Member and Chair of Software Engineering Department at Cankaya University (www.cankaya.edu.tr) since Feb of 2018, which has become both the first rank at nationwide (and 401-500 level in the world) as well as fifth rank among national private universities with respect to Times Higher Education World University Rankings (https://www.timeshighereducation.com/world-university-rankings/cankaya-university ) and

URAP Index (http://tr.urapcenter.org/2019/2019_t6.php) in sequence. Previously -between July/2008 and Jan/2018- he has been a professor and Chair of Computer Engineering Department as well as Head of Software Engineering Main Division at Engineering Faculty of Hacettepe University whose international rank is at 501-600 (third among national universities) in 2019 with respect to THE (Times Higher Education) and national rank is number one in 2019 with regard to URAP, and number one again in 2018-2019 with respect to Turkey - CWUR World University Rankings. Dr. Sever has become Dean of the Informatics Institute at Hacettepe University between 2009-2012. He had served -between Feb/2007 and July/2008- as a professor of computer engineering at Cankaya University; between Sept/2002 and Feb/2007 as a professor and Chair of Computer Engineering Department at Baskent University; between Oct/1995 and Sept/2000 associate professor and the Vice Chair of Computer Engineering Department at Hacettepe University. He was at Computer Science and Engineering Department of University of Nebraska at Lincoln, NE as a visiting professor and at the Center for Intelligent Information Retrieval of Massachusetts University at Amherst, MA as a visiting scholar for two years. He served as a teaching assistant during his Ph.D. study at the Center for Advanced Computer Studies of University of Louisiana at Lafayette, LA and research assistant at the National Geographic Center of Maine University at Orono, ME. Dr. Sever became co-founder and CTO of Mantis Software GmbH. (www.mantis.com.tr) between 2007-15 and the R&D Coordinator at NETCAD Software Corp. (www.netcad.com.tr ) for nine years. Dr. Sever had served for three years as the Head of Information Technologies Committee at the Scientific and Technological Research Council of

Turkey (TUBITAK-TEYDEB) and one year at Turkish Standardization Institute (TSE). His research interests span multimedia information retrieval, vertical search engines, data and web mining, speech processing, semantic analysis models, spatial information systems, social network analysis, and genomics. Dr. Sever has either managed or served as a consultant for over 25 national or international industrial projects. Dr. Sever is a member of Turkish Informatics Society (1374), ACM (7650955) and IEEE (80461218).

Education Information

Ph.D. (1991-1995)

University of Louisiana at Lafayette Computer Science

(https://computing.louisiana.edu/)

MSc. (1989-1991)

University of Maine at Orono

Computer Science (https://umaine.edu/cs/)

BSc (1982-1986)

Hacettepe University

Computer Engineering

(http://cs.hacettepe.edu.tr/)

Positions

PROFESSOR 2018	CANKAYA UNIVERSITY/ENGINEERING FACULTY/COMPUTER ENGINEERING DEPARTMENT
PROFESSOR 2008-2018	HACETTEPE UNİVERSITY/ ENGINEERING FACULTY/COMPUTER ENGINEERING DEPARTMENT/HEAD of COMPUTER SOFTWARE MAIN DIVISION
PROFESSOR 2007-2008	CANKAYA UNIVERSITY/ENGINEERING FACULTY/COMPUTER ENGINEERING DEPARTMENT
PROFESSOR 2003-2007	BASKENT UNIVERSITY/ENGINEERING FACULTY/COMPUTER ENGINEERING DEPARTMENT
ASSOCIATIVE PROFESSOR 2000-2002	University of Massachusetts Amherst/College of Information and Computer Sciences/Computer Science/Center for Intelligent Information Retrieval (Visitor)
ASSOCIATIVE PROFESSOR 1997-2000	HACETTEPE UNİVERSITY/ ENGINEERING FACULTY/COMPUTER ENGINEERING DEPARTMENT/HEAD of COMPUTER SOFTWARE MAIN DIVISION
ASSOCIATIVE PROFESSOR 1998-1999	The University of Nebraska-Lincoln/Collage of Arts and Sciences/Computer Science and Engineering (Visitor)
ASSISTANT PROFESSOR 1995-1997	HACETTEPE UNİVERSITY/ ENGINEERING FACULTY/COMPUTER ENGINEERING DEPARTMENT/HEAD of COMPUTER SOFTWARE MAIN DIVISION
TEACHING ASSISTANT 1991-1995	University of Louisiana at Lafayette/School of Computing and Informatics/Computer Science
RESEARCH ASSISTANT 1989-1991	University of Maine/College of Liberal Arts and Sciences/Computing and Information Science

Administrative and Industrial Posts

Chair 2019-2023	Software Engineering Department, Cankaya University
Chair 2010-2015	Computer Engineering Department, Hacettepe University
Dean 2009-2012	Informatic Institute, Hacettepe University
Head of Software Engineering Main Division 2010-2018	Computer Engineering Department, Hacettepe University
Head of Computer Engineering Main Division 2010-2015	Graduate School of Science and Engineering, Hacettepe University
Co-founder and CTO 2007-2015	Mantis Software GmbH (www.mantis.com.tr)
R&D Coordinator 2005-2015	NETCAD GmbH (www.netcad.com.tr)
Chair 2003-2007	Computer Engineering Department, Baskent University
Head of Information Technologies Committee 2006-2009	TUBITAK-TEYDEB
Head of Information and Communication Technology Committee 2012-2013	TSE (Turkish Standardization Institute)
Vice Chair 1997-2001	Computer Engineering Department, Hacettepe University
Coordinator of Information Technology 1999-2000	Rectorate, Hacettepe University

Publications

1. N. Dündar, A. S. Keçeli, A. Kaya and H. Sever (2024). A shallow 3D convolutional neural network for violence detection in videos, Egyptian Informatics Journal, V. 26 (100455), ISSN 1110-8665, https://doi.org/10.1016/j.eij.2024.100455.

(https://www.sciencedirect.com/science/article/pii/S1110866524000185).

2. Canbay, P., Sezer, E. A., & Sever, H. (2023). Binary background model with geometric mean for author-independent authorship verification. Journal of Information Science, 49(2), 448-464. https://doi.org/10.1177/01655515211007710.

3. Par, O. E., Sezer, E. A., and Sever, Hayri (2023). Application of Artificial Intelligence in Early–Stage Diagnosis of Sepsis, Proceedings of the 2022 5th Artificial Intelligence and Cloud Computing Conference (AICCC '22), Osaka, Japan. pp. 196–206, ISBN:9781450398749, Association for Computing Machinery, New York, NY, USA. https://doi.org/10.1145/3582099.3582129.

4. P. Canbay, E. A. Sezer and H. Sever (2020). Detection of Stylometric Writeprint from the Turkish Texts, 2020 28th Signal Processing and Communications Applications Conference (SIU), Gaziantep, Turkey, 2020, pp. 1-4, doi:

10.1109/SIU49456.2020.9302393.

5. Mertoğlu, U., Genç, B., Sever, H. (2021). Text-Based Fake News Detection via Machine

Learning. In: Hemanth, J., Yigit, T., Patrut, B., Angelopoulou, A. (eds) Trends in Data Engineering Methods for Intelligent Systems. ICAIAME 2020. Lecture Notes on Data Engineering and Communications Technologies, vol 76. Springer, Cham.

https://doi.org/10.1007/978-3-030-79357-9_12.

6. P. Canbay, E. A. Sezer, and H. Sever (2020) Deep Combination of Stylometry Features for Authorship Analysis, International Journal of Information Security Science (IJISS), vol. 9, no. 3, pp. 154–163.

7. S. Oyucu, H. Polat and H. Sever (2020). Web Service-Based Turkish Automatic Speech Recognition Platform, International Congress on Human-Computer Interaction, Optimization and Robotic Applications (HORA), Ankara, Turkey, 2020, pp. 1-5, doi:

10.1109/HORA49412.2020.9152920.

8. Oyucu, S., Polat, H., & Sever, H. (2020). Sessizliğin Kaldırılması ve Konuşmanın Parçalara Ayrılması İşleminin Türkçe Otomatik Konuşma Tanıma Üzerindeki Etkisi.

Düzce Üniversitesi Bilim Ve Teknoloji Dergisi, 8(1), 334-346.

https://doi.org/10.29130/dubited.560135.

9. A. Bugday, A. Ozsoy, S. M. Öztaner and H. Sever (2019). Creating consensus group using online learning based reputation in blockchain networks, Pervasive and Mobile Computing, V.59(101056), ISSN:1574-1192, https://doi.org/10.1016/j.pmcj.2019.101056.

10. Senol, A. and Sever, H. (2018) Block Size Analysis for Discrete Wavelet Watermarking and Embedding a Vector Image as a Watermark, The International Arab Journal of Information Technology (IAJIT), 16(6): 1-8, (Nov., 2019).

11. O. E. Para, E. A. Sezer, ve H. SEVER (7/2019). Clinical Decision Support Systems: From the Perspective of Small and Imbalanced Data Set. Health Informatics Vision: From Data via Information to Knowledge. J. Mantas at al (Eds), Studies in Health Technology and Informatics. 262: 344-347. IOS Press, Amsterdam. ISBN: 978-1-61499-986-7.

12. F. Saglam, B. Genc ve H. Sever (March, 2019). Extending a sentiment lexicon with synonym-antonym datasets: SWNetTR plus. Turkish Journal of Electrical Engineering and Computer Sciences. 27(3): 1806-1820.

13. M.S. Çınar, B. Genc ve H. Sever (Ocak, 2019). Identifying criminal organizations from their social network structure. Turkish Journal of Electrical Engineering and Computer Sciences. 27(1): 421-436.

14. O. E. Para, E. A. Sezer, ve H. SEVER (4/2019). Small and Unbalanced Data Set Problem in Classification. IEEE 27th Signal Processing and Communications Applications Conference (SIU), ISBN: 1728119057.

15. A. Nasser and H. Sever (2020). A concept-based sentiment analysis approach for arabic, Int. Arab J. Inf. Technol., 17(5), pp. 778--788, https://doi.org/10.34028/iajit/17/5/11.

16. H. POLAT, H. SEVER, S. OYUCU, Ş. TEKBAŞ (2019). Otomatik Konuşma Tanıma Sistemlerinde Kullanılan Gerçek Metin Verisinde Biçimbilimsel-Sözdizimsel Hataların Tespiti ve Düzeltilmesi, Veri Bilim Derg, 2(2), 18-24.

17. Oyucu, S., Sever, H., & Polat, H. (2019). Otomatik Konuşma Tanımaya Genel Bakış, Yaklaşımlar ve Zorluklar: Türkçe Konuşma Tanımanın Gelecekteki Yolu. Gazi University Journal of Science Part C: Design and Technology, 7(4), 834-854.

https://doi.org/10.29109/gujsc.562111

18. Cinar, M.S., Genc, B., and Sever, H. (2018) Terör Örgütlerinin Etkisizlestirilmesinde Sosyal Ağ Analizinin Kullanımı, SAVTEK, 27-29 Haziran 2018, Ankara.

19. Mertoglu, U., Sever, H., and Genc, B. (2018) Savunmada Yenilikci bir Dijital Donusum Alani: Sahte Haber Tespit Modeli, SAVTEK, 27-29 Haziran 2018, Ankara.

20. Canbay, A., Sever, H., and Sezer, E.A. (2018) Determining of discriminative blog size for authorship attribution on the Turkish texts, 6th international Symposium on Digital Forensic and Security (iSDFS), Antalya, Turkey.

21. Nasser, A., and Sever, H. (2018) A Large Scale Arabic Sentiment Corpus Construction Using Online News Media, Journal of Engineering and Applied Sciences, 13(17): 7329-7340, DOI: 10.3923/jeasci.2018.7329.7340.

22. Nasser, A., and Sever, H. (2018) Intrusion Detection Architecture based on Rough Sets,

Journal of Engineering and Applied Sciences, 14: 415-422, DOI:

10.3923/jeasci.2019.415.422.

23. Canbay, P., Sezer, E.A., Sever, H. (2018) Authorship modelling approach for authorship verification on the Turkish texts, 26th IEEE Signal Processing and Communications Applications Conference, 2-5 Mayis, Antalya, TR.

24. Nasser, A., Sever, H. and Raghavan, V.V. (2017). Utilization of Rough Sets for Intrusion Detection, 17th World Congress of IFSA-SCIS'17, Otsu, Japan.

25. Karli, M., Efe, M.O., and Sever, H. (2017) Air Combat Learning from F-16 Flight Information, Proc. of IEEE International Conference on Fuzzy Systems, 1-6, Naples IT.

26. Cınar, M.S., Genc, B., Sever, H., ve Raghavan V.V. (2017) Analyzing Structure of Terrorist Networks by Using Graph Metrics, IEEE ICBK'17, 9-16, August, in Hefei, China.

27. Bilge, Y.C., Kaya, F., Cinbis, N.I., Celikcan, U., Sever, H. (2017) Gelistirilmis Arka Plan Cikarimi ile Anomali Tespiti, 25th IEEE Signal Processing and Communications Applications Conference, 15-18 Mayis, Antalya, TR.

28. Ozpala, A., Efe, M.O., and Sever, H. (2017) Multiple UAV Engagement Decision by Game Theory, International Journal of Computer Electrical Engineering, 9(1): 384-392. DOI: 10.17706/ijcee.2017.9.1.

29. Karli, M., Efe, M.O., and Sever, H. (2017) Extracting Basic Fighter Maneuvers from Actual Flight Data, Lecture Notes on Information Theory, 5(1): 1-6.

30. Oruc, M., Akal, F., Sever, H. (2016) Detecting Design Patterns in OO Design Models by using a Graph Mining Approach, Proceedings of IEEE ConiSoft'16, April 27-29, Puebla, Mexico.

31. Ucan, A., Naderalvojoud, B., Sezer, E.A., Sever, H. (2016) SentiWordNet for New Language: Automatic Translation Approach, IEEE 12th Int. Conf. on Signal-Image Technology & Internet-Based Systems, pp. 308-315. DOI: 10.1109/SITIS.2016.57.

32. Nasser, A., Dincer, K., Sever, H. (2016) Investigation of Feature Selection Problem in Sentiment Analysis for Arabic Language, Proceedings of 17th International Conference on Intelligent Text Processing and Computational Linguistics, April 3-9, Konya, Turkiye.

33. Saglam, F., Genc, B., and Sever, H. (2016). Developing Turkish sentiment lexicon for sentiment analysis using online news media, 2016 IEEE/ACS 13th International Conference of Computer Systems and Applications (AICCSA), Agadir, Morocco, Nov 29 – Dec 02.

34. Mengusoglu, E., Sever, H., Asefisaray B., Haciomeroglu, M. (2016). ”Turkce ses tanima sistemlerinde dil modeli boyutunun dogruluk oranina etkisi - How does language model size effects speech recognition accuracy for the Turkish language?.” Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi (PAJES), 22(2): 100-106.

35. Senol, A. & Sever, H. (2015 Oct). A Blind Authentication Purpose Discrete Wavelet Watermarking. In 8th International Conference on Information Security and Cryptology, Oct 30-31 2015, Ankara.

36. Canbay, P., & Sever, H. (2015, Dec). The Effect of Clustering on Data Privacy. In 14th Int. Conf. on Machine Learning and Applications (IEEE ICMLA), Miami FL, Dec 9-11 2015.

37. Ahmadlouei, A., Sever, H., Mengusoglu, E. (2016) Link Detection Based on Named Entity Keywords in Turkish News Corpus, In Proceedings of The Second International Conference on Big Data, Small Data, Linked Data and Open Data (ALLDATA 2016), February 21 - 25 - Lisbon, Portugal.

38. Senol, A., Dincer, K., Sever, H., & Elbasi, E. (2015, May). Blocked-DWT based vector image watermarking. In Signal Processing and Communications Applications Conference (SIU), 2015 23th (pp. 264-267). IEEE.

39. M. Karlı, M.O. Efe, H. Sever (2015), "Close Range One to One Air Combat Maneuvering for Autonomous UAV," 8. Ankara International Aerospace Conference, 10-12 September, Ankara, Turkey, (Paper# AIAC2015-046).

40. Fırat Akba, Alaettin Ucan, Ebru Akcapinar Sezer, Hayri Sever (July 2014). “Assessment of Feature Selection Metrics for Sentiment Analyses: Turkish Movie Reviews,” 8th European Conference on Data Mining (ECDM'14), Lisbon Portugal.

41. Senol, A., Dincer, K., Elbasi, E., Sever, H. (2014) "A Block Size Analysis for Blocked Discrete Wavelet Watermarking," 7th International Conference on Information Security and Cryptology (ISC Turkey 2014), Istanbul, Turkey, 17–18 October 2014.

42. Guven Kose, Hayri Sever, Mert Bal, Alp Ustundag (2014). Comparison of different inference algorithms for medical decision making. International Journal of Computational Intelligence Systems (Taylor&Francis). 7(1): 29-44.

43. Aslanturk, O., Sezer, E. A., Sever, H. (2014). Investigating Stylistic Features of Turkish Texts, In Proceedings of the 6th International Conference on Qualitative and Quantitative Methods in Libraries, Istanbul, Turkey.

44. Aktas P., Sever H., and Aydos M. (2014), Role-Based Privacy-Preserving Health Records Distribution, 2nd International Conference on E-Health and TeleMedicine (ICEHTM), Istanbul-Turkey.

45. Mutlu, B., Hacıomeroglu, M., Guzel, M.S., Sever, H. (2014) Silhoutte Extraction from Street View Images, International Journal of Advanced Robotic Systems, 11: 114 doi:

10.5772/58740, pp. 1-12.

46. Demir Seyfullah, Sezer Ebru, Sever Hayri (2014). Modifications for the Cluster Content

Discovery and the Cluster Label Induction Phases of the Lingo Algorithm. International Journal of Computer Theory and Engineering (IJCTE), 6(2), 86-90. DOI: 10.7763/IJCTE.2014.V6.842.

47. Bal, M., Amasyali, MF., Sever, H., Kose, G., and Demirhan A. (2014) Performance Evaluation of Machine Learning Algorithms Used in Inference Mechanism of a

Medical Decision Support System, Scientific World Journal, DOI:

10.1155/2014/137896.

48. Ozcan, C.Y., Haciomeroglu, M., Barut, O., Sever. H. (2013) A Path-Based Composite Crowd Simulation Model, 26th International Conference on Computer Animation and Social Agents (CASA), 16-18 May, Istanbul, TR.

49. Haciomeroglu, M., Ozcan, C.Y., Barut, O., and Sever, H. (2013) A GPU-assisted hybrid model for real-time crowd simulations, Computers & Graphics 37(7): 862-872.

50. Haciomeroglu, M., Ozcan, C.Y., Barut, O., Seckin, L., Sever, H. (2013) Hardware-accelerated dynamic clustering of virtual crowd members, Journal of Visualization and Computer Animation 24(2): 143-153.

51. Oguz Aslanturk, Ebru A. Sezer, Hayri Sever, Vijay Raghavan (2010) Application of Cascading Rough Set-Based Classifiers on Authorship Attribution. IEEE Int. Conf. on Granular Computing GrC : 656-660.

52. Fatih Mehmet Gulec, Tahir Bicakci, Ebru A. Sezer, Hayri Sever, Vijay V. Raghavan (2010) Analyzing the Effectiveness of Pruning and Grouping Methods Used in Literature-Based Discovery Tools, Web Intelligence/IAT Workshops: 304-308.

53. Aydıncan Polatkan, Hayri Sever, Hasan Ogul. “A Data Fusion Approach In Protein

Homology Detection,” Appear in IEEE Proceedings of International Conference on Biocomputation, Bioinformatics, and Biomedical Technologies (BIOTECHNO’08), June 29- July 5, 2008, Bucharest, Romania.

54. Mehmet R. Tolun, Hayri Sever, and A. Kadir Gorur. "Production and Retrieval of Rough Classes in Multi Relations," IEEE Int. Conf. on Granular Computing (GrC 2007), Silicon Valley USA.

55. Bal. M., Sever, H., Kalipsiz, O. (2007) Modelling the Symptom-Disease Relationship by Using Rough Set Theory and Formal Concept Analysis, International Journal of Medical, Health, Biomedical Engineering, World Academy of Science, Engineering and Technology, 1(11): 586-90.

56. Sever, H., Akal, F. ve Kose G. Kavram Tabanlı Bilgi Geri Getirim Yaklaşımı, Bilgi Dunyası, 8(1): 49-75, 2007.

57. Sever, H., Gurcay, H. Ak, S. (2007) Konumsal Erisim Yontemleri, Harita Dergisi, 138: 84-99.

58. Ayhan, M.S., Sever, H. ve Gurcay, H. (2007) Konumsal Dizinleme Yontemlerinin Karsilastirilmasi, TMMOB CBS’07, Trabzon, TR.

59. Turan, F., Sever, H. ve Gurcay, H. (2007). Web Servisleri Tabanlı Coğrafi Bilgi Sistemleri, TMMOB CBS’07, Trabzon, TR.

60. Sever, H. ve Kose, G. (2007) Skor Dagılımlı Ust Arama Modeli, TBV Bilgisayar Bilimleri ve Muhendisligi Dergisi, 1: 1-14.

61. Sever, H. ve Tonta, Y. (2006). Arama Motorları, TBV Bilisim Ansiklopedisi, pp. 95-99.

62. Sever, H. ve Bolat, M.Z. (2006) Bilgi Suzme, TBV Bilisim Ansiklopedisi, pp. 173-176.

63. Sever, H. ve Kose, G. (2006) Ust Arama Motorları, TBV Bilisim Ansiklopedisi, pp. 873-877.

64. Sever, H. ve Ozel, B. (2006) Veri Madenciligi, TBV Bilisim Ansiklopedisi, pp. 883-887.

65. Sever, H. ve Kucuk, M.E. (2006) Internet’te Kaynak Kesfi, TBV Bilisim Ansiklopedisi, pp. 491-494.

66. Sever, H., Bolat, Z., and Raghavan, V.V. (June 2004). Use of Preference Relation for Text Categorization, Lecture Notes in Artificial Intelligence, Springer-Verlag, Vol. 3066, 708-713.

67. Sever, H. and Raghavan, V.V. (June 2004). Meta Patterns: Discovering Rough Classifiers, North American Fuzzy Information Processing Society (S. Dick, L. Kurgan, W. Pedrycz, and M. Reformat, eds), IEEE Proceeding, Vol. 2, 702-706.

68. Sever, H., Gorur, A. and Tolun, M.R. (2003). Text Categorization with ILA. Lecture Notes in Computer Science, Springer-Verlag, Vol. 2869, 300-307.

69. Sever, H. and Bitirim, Y. (Oct. 2003). The Analysis and Evaluation of Stemming algorithms for Turkish. Lecture Notes in Computer Science, Springer-Verlag, Vol. 2857, 238-251.

70. Sever, H. and Bolat, M.Z. (June 2-5, 2003). A Text Filtering Method for Digital Libraries. (IATUL’03). The 24^th Annual Conference on International Association of Technological University Libraries.. Ankara, Turkey.

71. Sever, H. and Oguz, B. (2002). Veritabanlarında Bilgi Kesfine Formal Bir Yaklasim: Kısım I – Eslestirme Sorguları ve Algoritmalar. Bilgi Dunyasi, 3(2): 173-204.

72. Sever, H. and Oguz, B. (2003) Veritabanlarında Bilgi Kesfine Formal Bir Yaklasım: Kısım II – Eslestirme Sorgularının Bicimsel Kavram Analizi ile Modellenmesi, Bilgi Dunyasi, 4(1): 15-44.

73. Sever, H. and Tolun, M. (2002). Comparison of Normalization Techniques for Metasearch. Lecture Notes in Computer Science, Springer Verlag, Vol. 2457, pp. 133-143.

74. Bitirim, Y., Tonta, Y. and Sever, H. (2002). Information Retrieval Effectiveness of Turkish Search Engines. Lecture Notes in Computer Science, Springer Verlag, Vol. 2457, pp. 93-103, 2002.

75. Tonta, Y. and Bitirim, Y. and Sever, H. (2002). Turkce Arama Motorlarinda Performans Degerlendirme, pp. 1-152, Damla Publisher Ltd.

76. Manmatha, R. and Sever, H. (March 24-27, 2002) A Formal Approach to Score Normalization for Metasearch, Human Language Technology Conference (HLT'02), San Diego, CA.

77. Kucuk, M.E., Olgun, B. and Sever, H. (2000) Application of Metadata Concepts to Discovery of Internet Resources, Lecture Notes in Computer Science (LNCS), Springer Verlag, Vol. 1909, pp. 304-13.

78. Alsaffar, A.H., Deogun, J.S., and Sever, H. (2000) Optimal Queries in Information Filtering, Lecture Notes in Artificial Intelligence (LNAI), Springer Verlag, Vol. 1932, pp. 435-43.

79. Oguz, B., Sever, H. ve Tolun, M. (June 21-23, 2000). Eşleştirme Sorgularının Modellenmesi, The ninth Turkish Symposium on Artificial Intelligence and Neural Networks (TAINN'00), Izmir, Turkiye, pp. 381-390.

80. Olgun, B. and Sever, H. (April 2000) Kaynak Kesif Yeteneginin Artırılması icin Internet Kaynaklarının Iceriklerinin Standart Bicimde Tanımlanması, Bilgi Dunyasi, 1(1), pp. 56-88.

81. Alsaffar, A.H., Deogun, J.S., Raghavan, V. V., and Sever, H. (March-June 2000)

Enhancing Concept-based Retrieval Based on Minimal Term Sets, Intelligent Information Systems Journal (JIIS), 14(2/3), pp. 155-73.

82. Bollmann-Sdorra, P., Raghavan, V. V., and Sever, H. (October 18-20, 1999) Term Preference Weight, Proceedings of 14th International Symposium on Computer and Information Sciences (ISCIS'99), Izmir, Turkey, pp. 360-369.

83. M.R. Tolun, H. Sever , M. Uludag, S.M. Abu-Soud, ILA-2: An Inductive Learning Algorithm for Knowledge Discovery, Cybernetics and Systems: An International Journal, 30(7), pp. 609-628, Oct-Nov. 1999.

84. S. K. Choubey, J. S. Deogun, V. V. Raghavan, and H. Sever, On Feature Selection and Effective Classifiers, Journal of American Society for Information Science (JASIS), 49(5), May 1998, pp. 423-434.

85. V. V. Raghavan, J.S. Deogun, and H. Sever, Data Mining: Trends and Issues, Guest editors' introduction for JASIS' special issue on data mining, 49(5), 1998, pp. 397-402.

86. J. S. Deogun, V. V. Raghavan, A. Sarkar, and H. Sever, Data Mining: Trends in Research and Development. Rough Sets and Data Mining: Analysis for imprecise Data. (T. Y. Lin and N. Cercone, Eds.), Kluwer Academic Publishers, pp. 9-45, 1997.

87. J.S. Deogun, V.V. Raghavan, and H. Sever. Concept Based Retrieval by Minimal Term Sets. Foundations of Intelligent Systems, 11th International Symposium on Methodologies for Intelligent Systems (ISMIS'99). Warsaw, Poland. June 8-11, 1999. Springer Verlag (Eds. Z.W. Ras and A. Skowron). pg. 114-123.

88. J.S. Deogun, V.V. Raghavan, and H. Sever. Association Queries and Formal Concept Analysis, The Sixth International Workshop on Rough Sets, Data Mining and Granular Computing (in conjunction with JCIS'98), 23-28 October, Research Triangle Park, NC, USA.

89. J.S. Deogun, H. Sever, and V.V. Raghavan. Structural Abstractions of Hypertext Documents for Web-based Retrieval, Proceedings of Ninth International Workshop on Database and Expert Systems Applications, (in conjunction with DEXA'98) -- editor by Roland R. Wagner, IEEE Computer Society (Los Alamitos, California), 26-28 August, 1998, Vienna, Austria, pp. 385-390.

90. Mehmet R. Tolun, Hayri Sever, and Mahmut Uludag, "Improved Rule Discovery Performance on Uncertainty," In Research and Development in Knowledge Discovery and Data Mining (eds. X. Wu, R. Kotagiri, and K.B. Korb), Lecture Notes in Artificial Intelligence, Springer-Verlag, Vol. 1394, pp.310-321.

91. H. Sever, V.V. Raghavan, and T. D. Johnsten. The State of Rough Sets for Knowledge Discovery in Databases, ICNPAA-98: Second International Conference on Nonlinear Problems in Aviation and Aerospace, Daytona Beach, Florida, USA, Europen Conference Publications (S. Sivasundaram, Ed.), Cambridge, UK, 1998, Vol. 2, pp. 673-680.

92. S. K. Choubey, J. S. Deogun, V. V. Raghavan, and H. Sever. A Comparison of Feature

Selection Algorithms in the Context of Rough Classifiers, Proceedings of Fifth IEEE International Conference on Fuzzy Systems, vol. 2, New Orleans, LA, pp. 1122-1128, September 1996.

93. G. Duran and H. Sever, Turkce Govdeleme Algoritmalarinin Analizi, Annual Conference of TBD'96, Istanbul, Turkey, September 1996, pp. 235-243.

94. H. Sever, V.V. Raghavan, J.S. Deogun, and S.K. Choubey. A Comparison of Classification Methods. International Conference of Information Sciences -- Rough Set \#38; Computer Science. Vol. 3, pp. 371-374. Raleigh, NC. Mar. 1997.

95. V. V. Raghavan and H. Sever. On the Reuse of Past Optimal Queries, Proceedings of 18th ACM International Conference on Research and Development in Information Retrieval (SIGIR'95), Seattle, WA, USA, July 1995, pp. 344-351.

96. V. V. Raghavan, H. Sever, and J. S. Deogun, Exploiting Upper Approximations in the Rough Set Model, Proceedings of the First International Conference on Knowledge Discovery and Data Mining (KDD'95), Sponsored by AAAI in cooperation with IJCAI, Montreal, Quebec, Canada, August, 1995, pp. 69-74.

97. J. S. Deogun, V. V. Raghavan, and H. Sever, Rough Set Based Classification Methods and Extended Decision Tables, Third International Workshop on Rough Sets and Soft Computing, T.Y. Lin and A.M. Wildberger, eds., The Society for Computer Simulation, pp. 302-306, 1995.

98. V. V. Raghavan, and H. Sever, The State of Rough Sets for Database Mining Applications, Proceedings of 23rd Computer Science Conference Workshop on Rough Sets and Database Mining, T.Y. Lin ed., pp. 1-11, San Jose, CA, 1995.

99. V. V. Raghavan, H. Sever, and J. S. Deogun, A System Architecture for Database Mining Applications, Fuzzy Sets and Knowledge Discovery Workshops in Computing Series(W. P. Ziarko, ed.), Springer-Verlag, pp. 82-89, 1994.

100. V. Yalcin, H. Sever, and S. Torun, Turkiye Yuksek Ihtisas Hastanesi Veri Tabani, Proceedings of Tipta Bilgisayar Uygulamalari Simpozyumu, Izmir, Turkey, September, 1987, pp. 147-172.

Research Projects and Proposals:

● Project Manager. Evliya Celebi: A Middleware for Geographical Information, TUBITAK-EEAG, 105K040, 2005.

● Project Manager. Formal Concept Analysis and its Application to Association Queries, TUBITAK-EEAG, Grant No. 199E003, 2003.

● Consultant. Open Intelligent Information System, Department of Computer Science & Engineering, University of Nebraska at Lincoln, USA. Grant No. DAAH04-96-1-0325, under DEPSCoR program of Advanced Research Projects Agency, Department of Defense.

● Project Manager. Kasgarli Mahmut Information Retrieval System (KM-IRS), Sponsored by T.R. State Planning Organization (DPT), Grant No: 97K121330, 1997.

● Consultant (1997). Ankaray Ticket Control System, Siemens and Municipality Greater City of Ankara.

● Consultant (1999). Air Force Information System (HvBS), Havelsan

(www.havelsan.com.tr).

● Consultant (2004). Integrated Document Management and Workflow System,

TUBITAK-TIDEB 3040054, Bili_im Ltd. (www.bilisim.com.tr ).

● Consultant (2006). DR.CAD: A Medical Decision Support System, TUBITAK-TEYDEB 3050042, Ulusal CAD Corp (www.netcad.com.tr) .

● Consultant (2007). Mobile Computing Platform, TUBITAK-TEYDEB, SoftEB

(www.softeb.com.tr ) .

● Consultant (2007). Netcad GIS Core Kernel, TUBITAK-TEYDEB 3050043, Ulusal CAD Corp (www.netcad.com.tr) .

● Consultant (2007). Web Content Management, TUBITAK-TEYDEB 3040269, Adasoft Co. (www.adasoft.com.tr).

● Consultant (2007). PECYA: Personalized e-Publication and Content Search Engine, TUBITAK-TEYDEB 7070112, Akın Bilisim Co., (www.pecya.com.tr).

● Consultant (2007). News Management Service Platform TUBITAK-TEYDEB 3070187, SYS Corp (www.sys-inc.com ).

● Consultant (2007). SCADA (Supervised Control and Data Acquisition) Application Platform, TUBITAK-TEYDEB 3070025 SYS Corp (www.sys-inc.com ).

● Consultant (2008). MANTAM Turkish Search Engine, TUBITAK-TEYDEB 7070314, Mantis Co. (www.mantis.com.tr).

● Consultant (2009). Music Information Retrieval, TUBITAK-TEYDEB 7090019, Akin Bilisim Co. (www.pecya.com.tr)

● Consultant (2008), Economic Forecasting System, TUBITAK TEYDEB 3080167, AdaSoft Co. (www.adasoft.com.tr)

● Researcher (2010) Land Acquisition by Foreigners and Evaluation of the Impacts in Turkey, TUBITAK-KAMAG, 110G020 .

● Researcher (2010). Sakuwassa: Cyber Dedective Project, EUREKA Eurostars, 9100014, Mantis Co. (www.mantis.com.tr).

● Consultant (2011). Enterprise Mobile Dashboard Services, Yontem Software Co.

TUBITAK-TEYDEB, 3100440 (www.yontembt.com/).

● Project Manager (2011). ManSes: Turkish Voice Recognition and tr2en Translation Cloud. Minister of Science and Technology SANTEZ (Hacettepe University (Computer Eng. Dept., Turkish Language Institute), Mantis Software and Consultancy Co), 0815.STZ.2011-1.

● Consultant (2012). DiCoMa: Disaster Control Management, EU ITEA2 Cluster, Mantis Software and Consultancy Co (www.mantis.com.tr).

● Consultant (2013). Social Media Analysis: Online Reputation Management, TEYDEB, Mantis Software and Consultancy Co.

● Project Manager and Researcher (2015-18). Intelligent Surveillance Management System (KGYS), TUBITAK KAMAG, 114G022.

Supervised Thesises

● ASEFISARAY BEHNAM, (Ph.D, 2018). End-To-End Speech Recognıtıon Model: Experıments In Turkısh, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● NASSER AHMED RAOOF NASSER, (Ph.D, 2018). Large-scale arabic sentiment corpus and lexicon building for concept-based sentiment analysis systems, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● ŞENOL AHMET, (Ph.D, 2018). Resilient Image Watermarkıng: Block-Based Image Watermarkıng Analysıs, Usıng Vector Image as Watermark and Improvıng Authentıcatıon Purpose Watermarkıng, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● AHMADLOUEİ HAMİD, (MEng, 2014). The Impact of Named Entities on the Performance of Story Link Detection Task Using a Turkish Corpus of News Items, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● UÇAN ALAETTİN, (MEng, 2014). Automatic Sentiment Dıctıonary Translatıon and Usıng In Sentiment Analysıs, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● CANBAY PELİN, (MEng, 2014). Anonymity In Healthcare Systems: An Ideal Data Sharing Model For Distributed Structures, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● VAHABDJANOV DILMUROD, (2015). Use Of Semantic Model For Access Control And

Management In Context-Orıented Role based Authorızatıon: A Healthcare Case Study, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● ASLANTÜRK OĞUZ, (Ph.D, 2014). Turkısh Authorshıp Analysıs with an Incremental and Adaptıve Model, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● DEMİR SEYFULLAH, (MEng, 2013). Enhancıng The Cluster Content Dıscovery And The Cluster Label Inductıon Phases Of The Lıngo Algorıthm, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● GÜLEÇ FATİH MEHMET, (2013). Application of Rough Set Theory to Information Discovery on Medical Literature, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara.

● TANKIZ SEDA, (MEng, 2012).Content Based Video Copy Detection, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● BAL MERT, (2008). Concept Analysis by Rough Sets, Mathematical Engineering Main Division, Graduate School of Science and Engineering, Yıldız Technical University, Istanbul, TR.

● AYHAN MURAT SEÇKİN, (MEng, 2007). Comparisons of Spatial Indexing Techniques, Computer Engineering Main Division, Graduate School of Science and Engineering, Baskent University, Ankara, TR.

● POLATKAN AYDIN CAN, (MEng, 2007). A Data Fusıon Approach in. Proteın Homology Detectıon, Computer Engineering Main Division, Graduate School of Science and Engineering, Baskent University, Ankara, TR.

● ERZURUMLU KEREM, (2012). A New Block Based Method for Embedded Operating Systems With Performance Objective and İmplementation of This Method On Thin Clients, Computer Engineering Main Division, Hacettepe University

● BIÇAKCI TAHİR, (MEng, 2010). Using Biomedical Concepts for Drug Discovery, Computer Engineering Meain Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● TURAN FIRAT, (2006). Web Servıces Based Geographıc Informatıon Systems, Computer Engineering Main Division, Graduate School of Science and Engineering, Baskent University, Ankara, TR.

● ÇORAPÇIOĞLU MEHMET ERDEM, (MEng, 2006). Tıpçıt: A Kernel Model for Medical Dcsion Support Systems,Computer Engineering Main Division, Graduate School of Science and Engineering, Baskent University, Ankara, TR.

● YÜCEBAŞ SAİT CAN, (2006). Hipokrat-I: Bayesian Network Model for Medical Decision Support, Computer Engineering Main Division, Graduate School of Science and Engineering, Baskent University, Ankara, TR.

● HACIÖMEROĞLU MURAT, (MEng, 2006). Geometrıc Lıbrary In Geographıc Informatıon Systems, Computer Engineering Main Division, Graduate School of Science and Engineering, Baskent University, Ankara, TR.

● İNAM EMİN, (2005). Evaluation of terrain rendering algorithms, Computer Engineering Main Division, Graduate School of Science and Engineering, Cankaya University, Ankara, TR

● KÖSE GÜVEN, (MEng, 2004). Topic Detection and Tracking for News, Computer Engineering Main Division, Graduate School of Science and Engineering, Baskent University, Ankara, TR

● Mustafa Zafer Bolat (MEng, 2003). Metin Filtrelemede En Hizli _nis Metoduyla Optimal Sorgunun Bulunmasi. Institute of Natural and Applied Sciences, Baskent University, 06530 Baglica, Ankara, TR.

● Abdulkadir Gorur (PhD, 2004).Co-Supervisor. Text Categorization with Inductive Learning Algorithm. Institute of Graduate Studies and Research, Eastern Mediterranean University, Gazima_usa - TRNC, Mersin 10, TR .

● Yıltan Bitirim (PhD, 2003). The Analysis and Evaluation of Search Engines and Stemming Algorithms for Turkish. Institute of Graduate Studies and Research, Eastern Mediterranean University, Gazima_usa - TRNC, Mersin 10, TR.

● EROĞLU MEHMET, (2000). Affect of Stemmer and Onthology on Turkish Information Retrieval Systems, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara.

● AKAL FUAT, (MEng, 2000). Concept based Turkish Search Engines, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● OĞUZ BUKET, (MEng, 2000). Use of Formal Concept Analysis for Modelling Association Attribute Trees, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● SEZER EBRU, (MEng, 1999). Localization of Smart Information Retrieval and Automatic Generation of Unsupervised and Hierarchical Term Clustering, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.

● OLGUN BAHA, (MEng, 1999). Dublin Core Metadata Editor, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR

● DURAN GÖKMEN, (MEng, 1997). Gövdebul: A Turkish Stemmer, Computer Engineering Main Division, Graduate School of Science and Engineering, Hacettepe University, Ankara, TR.