Publications



2010


1.    Comparison of Multidimensional Data Access Methods For Feature-based Image Retrieval. S. Arslan, E. Açar, Ahmet Sacan , Ismail Hakki Toroslu, Adnan Yazici. ICPR 2010.

2.    Y. Kavurucu, P. Senkul , I.H. Toroslu, "Concept Discovery on Relational Databases: New Techniques for Search Space Pruning and Rule Quality Improvement", Knowledge-Based Systems, doi:10.1016/j.knosys.2010.04.011.

3.    A. Mutlu, M. A. Berk, P. Senkul , Improving the Time Efficiency of ILP-based Multi-Relational Concept Discovery with Dynamic Programming Approach, ISCIS 2010.

4.    Ender Sevinc, Ahmet Cosar, “Distributed Database Design with Genetic Algorithm and Relation Clustering Heuristic”, ISCIS 2010.

5.    E. Esgin, P. Senkul , C. Cimenbicer, A Hybrid Approach for Process Mining: Using From-to Chart Arranged by Genetic Algorithms, HAIS 2010 (LNCS), San Sebastian, Spain, June 2010.

6.    D. Canturk, P. Senkul, Service Acquisition and Validation In a Distributed Service Discovery System Consisting of Domain-Specific Sub-systems, ICEIS 2010, Madira, Portugal, June 2010.

7.    Ender Sevinc, Ahmet Cosar, “An Evolutionary Approach for Distributed Query Optimization Problem” (To appear at The Computer Journal, Oxford University Press)

8.    Murat Ali Bayir, Murat Demirbas, Ahmet Cosar, "A Web Based Personalized Mobility Service for Smartphone Applications" (To appear at The Computer Journal, Oxford University Press).

 

2009


9.    E. Eren, P. Senkul , Hybrid Approach to Process Mining: Finding Immediate Successors of a Process by Using From-To Chart, Int. Conf on Machine Learning and Applications, pp. 664-668, December 2009.

10. L. Guner, N. Ilgun Karabacak, P.Senkul , O. Akdemir, M. Unlu, Artificial Neural Networks May Be a Secondary Aid To Physicians For The Interpretation of Quantitatvive Myocardial Perfusion Studies, Annual Congress of the European Association of Nuclear Medicine (EANM 2009), Barcelona, October 2009.

11. Ender Sevinc, Ahmet Cosar, “An Evolutionary Genetic Algorithm For Optimization Of Distributed Database Queries”, (ISCIS 2009).

12. Yusuf Kavurucu, Pinar Senkul, Ismail Hakki Toroslu, “Multi-relational Concept Discovery With Aggregation”, (ISCIS 2009).

13. Suleyman Salin, Pinar Senkul, “Using Semantic Information For Web Usage Mining Based Recommendation”, (ISCIS 2009).

14. Murat Ali Bayir, Murat Demirbas, Ahmet Cosar, "TRACK ME! A Web Based Location Tracking and Analysis System for Smart Phone Users" (ISCIS 2009).

15. Y. Kavurucu,  P. Senkul , I.H. Toroslu, Analyzing Transitive Rules on a Hybrid Concept Discovery System, Accepted to International Conference on Hybrid Artificial Intelligence Systems, June 2009.

16. Y. Kavurucu, P. Senkul , I.H. Toroslu, Confidence-based Concept Discovery in Relational Databases, World Congress on Computer Science and Information Engineering (CSIE 2009), pp.282-286, March 2009.

17. Y. Kavurucu,  P. Senkul , I. H. Toroslu, ILP-based Concept Discovery in Multi-Relational Data Mining, Expert Systems With Applications, Elsevier, (2009), doi: 10.1016/j.eswa.2009.02.100

18. E. Karakoc, P. Senkul , Composing Semantic Web Services Under Constraints, Expert Systems With Applications, Elsevier, (2009), doi: 10.1016/j.eswa.2009.02.098

19. Murat Ali Bayir, Ismail Hakki Toroslu, Ahmet Cosar, Guven Fidan: Smart Miner: a new framework for mining large scale web usage data. WWW 2009: 161-170

2008


20. Ahmet Sacan, I. Hakki Toroslu, and Hakan Ferhatosmanoglu. Integrated Search and Alignment of Protein Structures. Bioinformatics, doi: 10.1093/bioinformatics/btn545, 2008 (to appear).

21. Ahmet Sacan, I. Hakki Toroslu, and Hakan Ferhatosmanoglu. Distance-based Indexing of Residue Contacts for Protein Structure Retrieval and Alignment. IEEE 8th International Symposium on Bioinformatics & Bioengineering (IEEE-BIBE2008).

22. Murat Ali Bayir, Ismail Hakki Toroslu, Ahmet Cosar, Guven Fidan: Discovering More Accurate Frequent Web Usage Patterns CoRR abs/0804.1409: (2008)

23. Ahmet Sacan, I. Hakki Toroslu, and Hakan Ferhatosmanoglu. Contacts-based indexing, retrieval, and alignment of protein structures (Poster and demo). Fifth Midwest Database Research Symposium, Oct 2008.

24. Ahmet Sacan, Ismail Hakki Toroslu: Approximate similarity search in genomic sequence databases using landmark-guided embedding. ICDE Workshops 2008: 338-345

25. Y. Kavurucu, P. Senkul , I.H. Toroslu, Aggregation in Confidence-based Concept Discovery for Multi-relational Data Mining, European Conference on Data Mining (ISBN:978-972-8924-63-8), pp. 43-50, Amsterdam, July 2008.

26. Y. Kavurucu, P. Senkul , I. H. Toroslu, Confidence-based Concept Discovery in Multi-Relational Data Mining, International Conference on Data Mining and Applications, pp. 446-451, Hong Kong, 19-21 March 2008.

2007


27. K. Kardas, P. Senkul , Enhanced Semantic Operations for Web Service Composition, International Symposium on Computer and Information Sciences, Ankara, November 2007.

28. S. D. Toprak, P. Senkul , Y. Kavurucu, I. H. Toroslu, A New ILP-based Concept Discovery Method for Business Intelligence, ICDE Workshop on Data Mining and Business Intelligence, April, 2007.

29. Ahmet Sacan, Ismail Hakki Toroslu: Amino Acid Substitution Matrices Based on 4-Body Delaunay Contact Profiles. BIBE 2007: 796-801

30. Murat Ali Bayir, Ismail Hakki Toroslu, Ahmet Cosar: Genetic Algorithm for the Multiple-Query Optimization Problem. IEEE Transactions on Systems, Man, and Cybernetics, Part C 37(1): 147-153 (2007)

31. L. Guner, P. Senkul , Frequent Itemset Mining with Trie Data Structure and Parallel Execution with PVM, Recent advances in parallel virtual machine and message passing interface, Volume 475 , 10.1007/9 , LNCS- Springer,October 2007.

32. Murat Ali Bayir, I. H. Toroslu, Ahmet Cosar, Guven Fidan, Discovering More Accurate Frequent Web Usage Patterns. "Workshop on Text-Mining & Link-Analysis (TextLink 2007) at IJCAI 2007.

2006


33. Murat Ali Bayir, Ismail Hakki Toroslu, Ahmet Cosar: A New Approach for Reactive Web Usage Data Processing. ICDE Workshops 2006: 44

34. Murat Ali Bayir, Ismail H. Toroslu, Ahmet Cosar, A Performance Comparison of Pattern Discovery Methods on Web Log Data. "The 4th ACS/IEEE International Conference on Computer Systems and Applications(AICCSA-06)", (2006), p.445 – 451.

35. E. Karakoc, K. Kardas, P. Senkul , A Workflow-based Web Service Composition System, Int. Conf on Web Intelligence (WI) Workshop on Service Composition, December 2006.

36. P. Senkul, Web Service Construction by Using a Logical Formalism, ICDE Workshop on Semantic Web and Databases, No:56, April 2006.

2005


37. Pinar Senkul, Ismail Hakki Toroslu, An Architecture for Workflow Scheduling Under Resource Allocation Constraints. "Information Systems", 300, (2005), s.399-422.

38. Ismail H. Toroslu, Meliha Yetisgen-Yildiz: Data mining in deductive databases using query flocks. Expert Syst. Appl. 28(3): 395-407 (2005)

39. Nihan Kesim Cicekli, Ahmet Cosar, Asuman Dogac, Faruk Polat, Pinar Senkul, Ismail Hakki Toroslu, Adnan Yazici: Data management research at the Middle East Technical University. SIGMOD Record 34(3): 81-84 (2005)

40. P. Senkul, Modeling Composite Web Services by Using a Logic-based Language, Second Italian Workshop on Semantic Web Applications and Perspectives, Trento, Italy, December 2005.

2004


41. Ismail Hakki Toroslu, Ahmet Cosar: Dynamic programming solution for multiple query optimization problem. Inf. Process. Letters 92(3): 149-155 (2004).

2003


42. Arif Tumer, Asuman Dogac, Ismail Hakki Toroslu: A Semantic-Based User Privacy Protection Framework for Web Services. ITWP 2003: 289-305

43. Ismail H. Toroslu: Repetition support and mining cyclic patterns. Expert Syst. Appl. 25(3): 303-311 (2003)Sahin E. and Spears W. (2005). State-of-the-Art Survey on Swarm Robotics. Lecture Notes in Computer Science Series 3342. Springer-Verlag, Heidelberg, Germany.

44. Yusuf Tambag, Ahmet Cosar: ebIOP: An ebXML Compliant B2B Interoperability Platform. EC-Web 2003: 155-164

45. Yusuf Tambag, Ahmet Cosar: Managing business lifecycle using ebIOP. Software, Pract. Exper. 33(13): 1217-1227 (2003)

46. S. Mukherjee, H. Davulcu, M. Kifer, P. Senkul, G Yang, "A Survey of Logic based Approaches to Workflow Modeling, in Emerging Applications of Logics in Databases" (Springer Verlag '2003).

2002


47. Ismail H. Toroslu, Meliha Yetisgen: Data Mining in Deductive Databases Using Query Flocks: Extended Abstract. JCIS 2002: 494-497

48. Pinar Senkul, Michael Kifer, Ismail Hakki Toroslu: A Logical Framework for Scheduling Workflows under Resource Allocation Constraints. VLDB 2002: 694-705

2001


49. Pinar Koksal, Nihan Kesim Cicekli, Ismail Hakki Toroslu: Specification of Workflow Process Using the Action Description Language C. Answer Set Programming 2001

50. Ismail H. Toroslu, Murat Kantarcioglu: Mining Cyclically Repeated Patterns. DaWaK 2001: 83-92

51. Faruk Polat, Ahmet Cosar, Reda Alhajj: Semantic information-based alternative plan generation for multiple query optimization. Inf. Sci. 137(1-4): 103-133 (2001)

2000


52. Ibrahim Cingil, Asuman Dogac, Ender Sevinc, Ahmet Cosar: Dynamic modification of XML documents: external application invocation from XML. SIGecom Exchanges 1(1): 1-6 (2000)

53. Ahmet Cosar, Alternative Plan Generation for Multiple Query Optimization. "Current Trends in Data Management Technology", (2000), s.113-129.

54. P.Karagoz, "Adding Constraints to Logic-Based Workflows to Obtain Optimized Schedules", in Proc. of Conference on Extending Database Technology PhD Workshop, Konstanz, Germany, March 2000.

55. Meliha Yetisgen, Ismail H. Toroslu: Data Mining Using Query Flocks with Views. DEXA 2000: 720-729.