Hakan
Ferhatosmanoglu
Associate
Professor
Computer
Science and Engineering
RESEARCH INTERESTS:
Data-systems, scalable data analytics, multi-dimensional
data management
WORK EXPERIENCE:
Associate
Professor, Computer Engineering,
Bilkent University, 2011- .
Associate Professor, Computer Science and Engineering, Ohio State
University (OSU), 2007-2011.
Participating
Faculty, Biomedical Informatics, Bioinformatics
Program at Medical School, and Mathematical Biosciences Institute, OSU.
Assistant Professor,
Computer Science and Engineering, OSU, 2001
Researcher, AT&T Labs- Research, Florham Park,
New Jersey, Summer 1999.
Graduate Research/Teaching Associate, Computer Science, University of California, Santa Barbara,
1997-2001.
EDUCATION:
Ph.D. Computer Science, University of California, Santa
Barbara. 2001.
Dissertation: Efficient Retrieval and Scalable Storage of
Multi-dimensional Data.
Co-advisors: Divyakant Agrawal and Amr El Abbadi.
B.S. Computer Science, Bilkent University, Ankara,
Turkey. 1997.
Full
scholarship for undergraduate education.
HONORS AND AWARDS:
.
Early Career Principal Investigator Award, US Department of
Energy, 2003.
. Large Interdisciplinary Grant Award, Office of Research, OSU, 2004.
.
NSF CAREER Award, 2006.
.
Lumley Research Accomplishment Award, OSU College of
Engineering, 2007.
.
IBM Faculty Award, 2010.
.
TUBA GEBIP, Turkish Academy of Sciences, Young
Scientist, 2012.
RESEARCH
FUNDING:
.
NSF Collaborative Systems, NSF Advances in Biological
Informatics, NSF Cyber-infrastructure, US Department of Energy, Ohio Aerospace
Institute, NSF Research Infrastructure, Ohio Board of Regents, IBM, Pfizer,
Inc., TUBITAK.
1. Diversity based
Relevance Feedback for Time Series Search, B. Eravci and H. Ferhatosmanoglu,
VLDB 2014.
2. Aggregate
Profile Clustering for Telco Analytics, M. Abbasoglu, B. Gedik, H.
Ferhatosmanoglu, VLDB 2013 (demo).
3. λ-Diverse Nearest
Neighbors Browsing for Multi-dimensional Data, IEEE Transactions of Knowledge
and Data Engineering (TKDE), O. Kucuktunc, H. Ferhatosmanoglu, March 2013, pp.
481-493.
4.
A large-scale sentiment analysis for Yahoo! answers. Onur
Kucuktunc, Berkant Barla Cambazoglu, Ingmar Weber, Hakan Ferhatosmanoglu, WSDM
2012: 633-642. (Acceptance: 20.7%)
5.
Smolign: A Spatial Motifs Based Protein Multiple Structural
Alignment Method, H. Sun, A. Sacan, H. Ferhatosmanoglu, Y. Wang, IEEE/ACM
Transactions on Computational Biology and Bioinformatics (TCBB), vol. 9, no.1,
Jan 2012, pp. 249-261.
6.
Lineking: Crowdsourced line wait-time estimation using
smartphones, M. Bulut, Y. Yilmaz, M. Demirbas, H. Ferhatosmanoglu, N.
Ferhatosmanoglu, Mobile Computing, Applications and Services, MobiCase 2012.
7.
Crowd-sourced Sensing and Collaboration Using Twitter. M.
Demirbas, C. Akcora, M. Bayir, Y. Yilmaz, H. Ferhatosmanoglu. Proceedings of
IEEE WoWMoM, 2010, Montreal, Canada.
8.
Identifying Breakpoints in Public Opinion. C. Akcora, M.
Bayir, M. Demirbas, H. Ferhaosmanoglu. Social Media Analytics, KDD Workshop Proceedings, June
2010 (20.7%)
9.
Short Text Classification in Twitter to Improve Information
Filtering. E. Demir, D. Fuhry, B. Sriram, H. Ferhatosmanoglu, M. Demirbas. Proceedings of
the ACM SIGIR 2010, Geneva, Switzerland, July 2010, 841-842.
10. Relationship
Preserving Feature Selection for Unlabelled Clinical Trials Time-Series, F.
Altiparmak, M. Gibas, H. Ferhatosmanoglu. Proceedings of 1st ACM
International Conference on Bioinformatics and Computational Biology, August
2010, New York.
11. MicroarrayDesigner:
an online search tool and repository for near-optimal microarray experimental
designs. A. Sacan, N. Ferhatosmanoglu, H. Ferhatosmanoglu. BMC
Bioinformatics 10:304, September 2009.
12. Secondary
Bitmap Indexes with Vertical and Horizontal Partitioning . G. Canahuate, T.
Apaydin, A. Sacan, H. Ferhatosmanoglu. EDBT, March 2009, pp 600-611.
13. Integrated
Search and Alignment of Protein Structures. A. Sacan, I. Toroslu, H.
Ferhatosmanoglu. Bioinformatics,
vol. 24, no. 14, December 2008, pp. 2872-9.
14. CellTrack: An
Open-Source Software for Cell Tracking and Motility Analysis. A. Sacan, H.
Ferhatosmanoglu, H. Coskun, Bioinformatics, vol. 24, no. 14, July 2008, pp. 1647-1649.
15. An Enhanced
Partial Order Curve Comparison Algorithm and its Application to Analyzing
Protein Folding Trajectories. H. Sun, H. Ferhatosmanoglu, M. Ota, Y. Wang. BMC
BioInformatics 2008, Vol. 9 : 344, August 2008. (Impact factor: 3.78)
doi:10.1186/1471-2105-9-344.
16. Incremental
Maintenance of Online Summaries Over Multiple Streams. F. Altiparmak, E.
Tuncel, H. Ferhatosmanoglu. IEEE Transactions on Knowledge and Data Engineering (TKDE), Volume
20, Issue 2, Feb. 2008, pp. 216-229.
17. Online Index
Recommendations for High-Dimensional Databases using Query Workloads. M. Gibas,
G. Canahuate, H. Ferhatosmanoglu. IEEE Transactions on Knowledge and Data Engineering
(TKDE), Volume 20, Issue 2, Feb. 2008, pp. 246-260.
18. Distance-based indexing of
residue contacts for protein structure retrieval and alignment. Sacan, A.; Toroslu, I.H.;
Ferhatosmanoglu, H.; BioInformatics and BioEngineering, BIBE, 8th IEEE International
Conference, Oct. 2008, pp. 1 – 7.
19. Dynamic Data
Organization for Bitmap Indices. T. Apaydin, G. Canahuate, H. Ferhatosmanoglu,
A. Tosun, 3rd International ICST Conference on
Scalable Information Systems, InfoScale, June 2008.
20. Analysis of
Basic Data Reordering Techniques. T. Apaydin, A. Tosun, H. Ferhatosmanoglu, 20th
Conference on Scientific and Statistical Data Management, SSDBM, July 2008, pp. 517-524.
21. Automated Data
Discovery in Similarity Score Queries. Altiparmak F.,
Tosun A. S., Ferhatosmanoglu H., Sacan A., 13th International Conference on
Database Systems for Advance Applications (DASFAA), New Delhi, India, March 2008, pp.
440-451.
22. A General
Framework for Modeling and Processing Optimization Queries. M. Gibas, N. Zheng,
H. Ferhatosmanoglu, VLDB 07,
Vienna, Austria, September, 2007, pp. 1069-1080.
23. LFM-Pro: A Tool for Detecting Significant Local
Structural Sites in Proteins. A. Sacan, O.
Ozturk, H. Ferhatosmanoglu, Y. Wang. Bioinformatics, Volume 23, Number 6, pp. 709-716, March 2007.
24. Enhanced Partial Order Curve Comparison over Multiple
Protein Folding Trajectories. H. Sun,
H. Ferhatosmanoglu, M. Ota, Y. Wang, Life Sciences Society Computational Systems Biology
(CSB 07), San Diego, CA, August 2007, pp. 299-310.
25. Data
Space Mapping for Efficient I/O in Large Multi-dimensional Databases. H.
Ferhatosmanoglu, A. Ramachandran, D. Agrawal, A. El Abbadi. Information
Systems Journal, vol. 32, no. 1, pp. 83-103, March 2007.
26. Access
Structures for Angular Similarity Queries. T. Apaydin and H. Ferhatosmanoglu. IEEE Transactions
on Knowledge and Data Engineering (TKDE), vol. 16, no. 6, pp. 1512-1525,
November 2006.
27. Approximate Encoding for Direct Access and Query
Processing over Compressed Bitmaps. T. Apaydin, G. Canahuate, H.
Ferhatosmanoglu, A. Tosun. 32nd International Conference on Very Large Data Bases
(VLDB 06), Seoul, Korea, September 2006, pp. 846-857.
28. High
Dimensional Nearest Neighbor Searching. H. Ferhatosmanoglu, E. Tuncel, D.
Agrawal, A. El Abbadi. Information Systems Journal, vol. 31, no. 6, pp. 512-540, September
2006.
29. Information
Mining over Heterogeneous and High Dimensional Time Series Data in Clinical
Trials Databases. F. Altiparmak, H. Ferhatosmanoglu, S. Erdal, C. Trost. IEEE Transactions
on Information Technology in Biomedicine, 10(2): 254- 263 (April 2006).
30. Indexing
Incomplete Databases. G. Canahuate, M. Gibas, H. Ferhatosmanoglu. 10th
International Conference on Extending Database Technology (EDBT 06). Munich,
Germany, March 2006, pp. 884-901.
31. Online Summarization of Dynamic Time Series Data. U.
Ogras and H. Ferhatosmanoglu. VLDB Journal, 15(1): 84-98, January 2006.
32. Compressing Bitmap Indices by Data Reorganization. A.
Pinar, T. Tao, H. Ferhatosmanoglu. 21st IEEE International Conference on
Data Engineering (ICDE 05). Tokyo, Japan, April 2005, pp. 310-321.
33. Vector Space Indexing for Biosequence Similarity
Searches. O. Ozturk and H. Ferhatosmanoglu. International Journal on Artificial
Intelligence Tools, 14(5): 811-826 (2005).
34. Optimal Data-Space Partitioning of Spatial Data for
Parallel I/O. H. Ferhatosmanoglu, D. Agrawal, O. Egecioglu, and A. El Abbadi.
Distributed and Parallel Databases (DAPD), 17(1): 75-101 (2005).
35. Replicated Declustering of Spatial Data. H.
Ferhatosmanoglu, A. Tosun, A. Ramachandran. 23rd ACM SIGMOD-SIGACT-SIGART Symposium
on Principles of Database Systems (PODS 04), June 2004, Paris, France, pp.
125-135.
36. Dimensionality Reduction and Similarity Computation
using Inner Product Approximations. O. Egecioglu, H. Ferhatosmanoglu, U. Ogras.
IEEE
Transactions on Knowledge and Data Engineering (TKDE). June 2004 (vol. 16, no.6),
pp. 714-726.
37. A Time-Series Analysis of Gene Expression Data. S.
Erdal, O. Ozturk, D. Armbruster, H. Ferhatosmanoglu, W. Ray. IEEE International
Symp. On Bioinformatics and Bioengineering (BIBE 04), Taiwan, March 2004, pp. 366-378.
38. High Dimensional Reverse Nearest Neighbor Queries. A.
Singh, H. Ferhatosmanoglu, A. Tosun. 12th ACM International Conference on Information
and Knowledge Management (CIKM'03), pp. 91-98. New Orleans, LA, November
2003.
39. Dimensionality Reduction using Magnitude and Shape
Approximations. Umit Ogras, Hakan Ferhatosmanoglu. 12th ACM International Conference on
Information and Knowledge Management (CIKM'03), pp. 99-107. New Orleans,
LA, November 2003.
40. Peer-to-Peer Spatial Queries in Sensor Networks. M.
Demirbas and H. Ferhatosmanoglu. 3rd IEEE International Conference on Peer-to-Peer
Computing (P2P '03), Linking, Sweden. September 2003, pp. 32-39.
41. Efficient k-NN Search on Streaming Data Series. X. Liu
and H. Ferhatosmanoglu. 8th International Symposium on Spatial and Temporal Databases (SSTD
'03), Santorini, Greece. July 2003, pp. 83-101.
42. CoMRI: A Compressed Multi-Resolution Index Structure
for Sequence Similarity Queries. H. Sun, O. Ozturk and H. Ferhatosmanoglu. IEEE Computer
Society Bioinformatics Conference (CSB '03). Stanford, CA. August 2003, pp.
553-558.
43. VQ-Index: An Index Structure for Similarity Searching
in Multimedia Databases. E. Tuncel, H. Ferhatosmanoglu, K. Rose. ACM Multimedia,
Juan Les Pins, France, pp. 543-552. December 2002.
44. Vulnerabilities in Similarity Search based Systems. A.
Tosun and H. Ferhatosmanoglu. ACM International Conference on Information and Knowledge Management
(CIKM 02), Mc Lean, VA, pp. 110-117. November 2002.
45. Optimal Parallel I/O Using Replication. A. Tosun, H.
Ferhatosmanoglu. In proceedings of International Workshops on Parallel Processing
(ICPPW 02), Vancouver, Canada, pp. 506-513. August 2002.
46. Approximate Nearest Neighbor Searching in Multimedia
Databases. H. Ferhatosmanoglu, E. Tuncel, D. Agrawal, A. El Abbadi. In
proceedings of the 17th IEEE International Conference on Data Engineering (ICDE
01), Heidelberg, Germany. April 2001.
47. Efficient Processing of Conical Queries. H.
Ferhatosmanoglu, D. Agrawal and A. El Abbadi. In proceedings of the 10th ACM
International Conference on Information and Knowledge Management (CIKM 01),
Atlanta, pp. 1-8. November 2001.
48. Constrained Nearest Neighbor Queries. H.
Ferhatosmanoglu, I. Stanoi, D. Agrawal, A. El Abbadi. 7th International Symposium on
Spatial and Temporal Database (SSTD 01), Los Angeles, CA, pp. 257-276. July 2001.
49. Vector Approximation based Indexing for Non-uniform
High Dimensional Data Sets. H. Ferhatosmanoglu, E. Tuncel, D. Agrawal, A. El
Abbadi. In proceedings of the 9th ACM International Conference on Information and
Knowledge Management (CIKM 00), Washington, DC, pp. 202-209. November 2000.
50. Dimensionality Reduction and Similarity Computation by
Inner Product Approximations. O. Egecioglu and H. Ferhatosmanoglu. In
proceedings of the 9th ACM International Conference on Information and
Knowledge Management (CIKM 00), Washington, DC, pp. 219-226. November
2000.
51. Clustering Declustered Data for Efficient Retrieval.
H. Ferhatosmanoglu, D. Agrawal, A. El Abbadi. In proceedings of the 8th
ACM International Conference on Information and Knowledge Management (CIKM 99),
Kansas City, Missouri, pp. 343-350. November 1999.
52. Concentric Hyperspaces and Disk Allocation for Fast
Parallel Range Searching. H. Ferhatosmanoglu, D. Agrawal, A. El Abbadi. In
proceedings of the 15th IEEE International Conference on Data Engineering (ICDE 99),
Sydney, Australia, pp. 608-615. March 1999.
Others
53. Bitmap-based
Index Structures. G. Canahuate, H. Ferhatosmanoglu. Encyclopedia of Database
Systems 2009: 248-251.
54. Michael
Gibas, Hakan Ferhatosmanoglu:
Indexing, High Dimensional. Encyclopedia of GIS, pp. 502-507, February 2008.
55. Investigating
the use of Extrinsic Similarity Measures for Microarray Analysis. D. Ucar, F.
Altiparmak, H. Ferhatosmanoglu, S. Parthasarathy. Proceedings of the BIOKDD workshop at the
ACM International Conference on Knowledge Discovery and Data Mining (SIGKDD),
2007.
PROFESSIONAL
SERVICES:
Program Committee Member
NSF: Information & Intelligent
Systems (IIS), Information Integration and Informatics, Division of Biological
Infrastructure; Canada National Research Council;
TUBITAK.
. Distributed and
Parallel Databases Journal
.
An
Information Systems Project Guide (working title), Prentice Hall.
Departmental
Service
. Recruitment Coordinator
. Advisory Committee
. Colloquium Coordinator
. Semester Conversion Committee
. Faculty Search, Graduate Studies, and
Computer Systems