Fatma Ozcan  Fatma Ozcan photo         

contact information

Principal Research Staff Member-Big Data
Almaden Research Center, San Jose, CA, USA


Professional Associations

Professional Associations:  ACM SIGMOD


Tutorial: SQL-on-Hadoop Systems
Daniel Abadi, Shivnath Babu, Fatma Ozcan, and Ippokratis Pandis
PVLDB 8(12), 2015

Clash of the Titans: MapReduce vs. Spark for Large Scale Data Analytics
Juwei Shi, Yunjie Qiu, Umar Farooq Minhas, Limei Jiao, Chen Wang, Berthold Reinwald, and Fatma Ozcan
PVLDB 8(13), 2015

Joins for Hybrid Warehouses: Exploiting Massive Parallelism in Hadoop and Enterprise Data Warehouses
Yuanyuan Tian, Tao Zou, Fatma Ozcan, Romulo Goncalves, and Hamid Pirahesh
EDBT 2015

A Generic Solution to Integrate SQL and Analytics for Big Data.
Nick R. Katsipoulakis, Yuanyuan Tian, Fatma Ozcan, Hamid Pirahesh, and Berthold Reinwald
EDBT 2015


Are we experiencing a big data bubble?
Fatma Ozcan, Nesime Tatbul, Daniel J. Abadi, Marcel Kornacker, C. Mohan, Karthik Ramasamy, and Janet L. Wiener
SIGMOD , 2014

Benchmarking SQL-on-Hadoop: TPC or not TPC?
Avrilia Floratou, Fatma Ozcan, and Berni Schiefer
5th Workshop on Big Data Benchmarking, 2014

Dynamically optimizing queries over large scale data platforms
Konstantinos Karanasos, Andrey Balmin, Marcel Kutsch, Fatma Ozcan, Vuk Ercegovac, Chunyang Xia, Jesse Jackson

SQL-on-Hadoop: Full Circle Back to Shared-Nothing Database Architectures
Avrilia Floratou, Umar Farooq Minhas, and Fatma Ozcan
Proceedings of the VLDB Endowment (PVLDB) 7(12), 2014


A platform for eXtreme Analytics
Andrey Balmin, Kevin S. Beyer, Vuk Ercegovac, John McPherson, Fatma Ozcan, Hamid Pirahesh, Eugene J. Shekita, Yannis Sismanis, Sandeep Tata, Yuanyuan Tian
IBM Journal of Research and Development 57(3/4), 2013

Next Generation Data Analytics at IBM Research
Oktie Hassanzadeh, Anastasios Kementsietsidis, Benny Kimelfeld, Rajasekar Krishnamurthy, Fatma Ozcan, Ippokratis Pandis
Proceedings of the VLDB Endowment (PVLDB) 6(11), 2013

Eagle-eyed elephant: split-oriented indexing in Hadoop
Mohamed Y. Eltabakh, Fatma Ozcan, Yannis Sismanis, Peter J. Haas, Hamid Pirahesh, Jan Vondrak
EDBT 2013

Data for All: A Systems Approach to Accelerate the Path from Data to Insight
Eser Kandogan, Mary Roth, Cheryl A. Kieliszewski, Fatma Ozcan, Bob Schloss, Marc-Thomas Schmidt
IEEE International Congress on Big Data, BigData Congress 2013


Jaql: A scripting language for large scale semistructured data analysis
K S Beyer, V Ercegovac, R Gemulla, A Balmin, M Eltabakh, C C Kanne, F Ozcan, E J Shekita
Proceedings of the VLDB Endowment 4(12), 2011

CoHadoop: flexible data placement and its exploitation in Hadoop
M.Y. Eltabakh, Y. Tian, F. Ozcan, R. Gemulla, A. Krettek, J. McPherson
VLDB Proceedings, pp. 575--585, VLDB Endowment, 2011

Emerging trends in the enterprise data analytics: connecting Hadoop and DB2 warehouse
F Ozcan, D Hoa, K S Beyer, A Balmin, C J Liu, Y Li
Proceedings of ACM SIGMOD 2011, pp. 1161--1164


XQuery Processors
T Grust, H V Jagadish, F Ozcan, C Yu
Encyclopedia of Database Systems, 2009

Search Driven Analysis of Heterogenous XML Data
A Balmin, L S Colby, E Curtmola, Q Li, F Ozcan
CIDR 2009, Fourth Biennial Conference on Innovative Data Systems Research


XQuery Rewrite Optimization in IBM DB2 pureXML
F Ozcan, N Seemann, L Wang
IEEE Data Engineering Bulletin 31(4), 25-32, 2008

Grouping and optimization of XPath expressions in DB2 pureXML
A Balmin, F Ozcan, A Singh, E Ting
SIGMOD 2008: Proceedings of the 2008 ACM SIGMOD international conference on Management of data, pp. 1065--1074

Grouping and Optimization of XPath Expressions in System RX
A Balmin, F Ozcan, A Singh, E Ting
ICDE 2008: Proceedings of the 24th International Conference on Data Engineering, pp. 1507--1509

SEDA: a system for search, exploration, discovery, and analysis of XML Data
A Balmin, L Colby, E Curtmola, Q Li, F Ozcan, S Srinivas, Z Vagena
Proceedings of VLDB 1(2), 1408--1411, VLDB Endowment, 2008


On the effectiveness of flexible querying heuristics for XML data
Z Vagena, L Colby, F Ozcan, A Balmin, Q Li
Lecture Notes in Computer Science4704, 77-91, Springer, 2007


pureXML in DB2 9: Which way to query your XML data?
M Nicola, F Ozcan
Technical Article, IBM DeveloperWorks, 2006

On the path to efficient XML queries
A Balmin, K S Beyer, F Ozcan, M Nicola
VLDB 2006: Proceedings of the 32nd international conference on Very large data bases, pp. 1117-1128

Integration of SQL and XQuery in IBM DB2
F Ozcan, D Chamberlin, K Kulkarni, JE Michels
IBM Systems Journal 45(2), 245--270, 2006

DB2 goes hybrid: Integrating native XML and XQuery with relational data and SQL
K Beyer, R Cochrane, M Hvizdos, V Josifovski, J Kleewein, G Lapis, G. Lohman, R. Lyle, M. Nicola, F. Ozcan, H. Pirahesh, N. Seemann, A. Singh, T. Truong, B. van der Linden, B. Vickery, C. Zhang, G. Zhang
IBM Systems Journal 45(2), 271-298, IBM, 2006


System RX: One Part Relational, One Part XML
Kevin S. Beyer, Roberta Cochrane, Vanja Josifovski, Jim Kleewein, George Lapis, Guy M. Lohman, Robert Lyle, Fatma \"{O}zcan, Hamid Pirahesh, Normen Seemann, Tuong C. Truong, Bert Van der Linden, Brian Vickery, Chun Zhang
Proceedings of the ACM SIGMOD International Conference on Management of Data, Baltimore, Maryland, USA, June 14-16, 2005, pp. 347--358

DB2/XML: designing for evolution
K Beyer, F Ozcan, S Saiprasad, B Van der Linden
SIGMOD 2005: Proceedings of the 2005 ACM SIGMOD international conference on management of data, pp. 948-952

Extending XQuery for analytics
K Beyer, D Chambrlin, LS Colby, F Ozcan, H Pirahesh, Y Xu
SIGMOD 2005: Proceedings of the 2005 ACM SIGMOD international conference on management of data, pp. 503-514


A framework for using materialized XPath views in XML query processing
A Balmin, F Ozcan, K S Beyer, R J Cochrane, H Pirahesh
VLDB 2004: Proceedings of the Thirtieth international conference on Very large data bases, pp. 60-71

XQuery for Analytics: Challenges and Requirements
K Beyer, R Cochrane, LS Colby, F Ozcan, H Pirahesh
XIME-P: Proceedings of the First International Workshop on XQuery Implementation, Experience and Perspectives , pp. 3-8, 2004

Improving Performance of Heterogeneous Agents
F Ozcan, VS Subrahmanian, J Dix
Annals of Mathematics and Artificial Intelligence 41(2-4), 339-395, Springer, 2004


Partitioning Activities for Agents
F. Ozcan, VS Subrahmanian
IJCAI 2001: Proceedings of the Seventeenth International Joint Conference on Artificial Intelligence, pp. 1218-1228

Optimal Agent Selection
F Ozcan, VS Subrahmanian, L Golubchik
KI 2001: advances in artificial intelligence: Joint German/Austrian Conference on AI, pp. 2-17


Heterogenous Active Agents
VS Subrahmanian, P Bonatti, J Dix, T Eiter, S Kraus, F Ozcan, R Ross
2000 - eprints.agentlink.org, MIT Press


Impact: A Platform for Collaborating Agents
KA Arisha, F Ozcan, R Ross, VS Subrahmanian, T Eiter, S. Kraus
IEEE Intelligent Systems 14(2), 1999

Cost Models DO Matter: Providing Cost Information for Diverse Data Sources in a Federated System
MT Roth, F Ozcan, LM Haas
VLDB'99: Proceedings of 25th International Conference on Very Large Data Bases, pp. 599-610, 1999


IMPACT: The Interactive Maryland Platform for Agents Collaborating Together
K. Arisha, S. Kraus, F. Ozcan, R. Ross, VS Subrahmanian
ICMAS'98: Proceedings of the Third International Conference on Multiagent Systems, 1998


Dynamic Query Optimization in Multidatabases
F Ozcan, S Nural, P Koksal, C Evrendilek, A Dogac
IEEE Data Engineering Bulletin 20(3), 38-45, Citeseer, 1997

Multidatabase Query Optimization
C Evrendilek, A Dogac, S Nural, F Ozcan
Distributed and Parallel Databases 5(1), 77-113, 1997


Query decomposition and processing in multidatabase systems
Sena Nural, Pinar Koksal, Fatma Ozcan, Asuman Dogac
OODBMS Symposium of the European Joint Conference on Engineering Systems Design and Analysis, Montpellier, 1996

METU Interoperable Database System
A. Dogac, U. Halici, E. Kilic, G. Ozhan, F. Ozcan, S. Nural, C. Dengi, S. Mancuhan, B. Arpinar, P. Koksal, C. Evrendilek
SIGMOD , 1996

A Multidatabase System Implementation on CORBA
A. Dogac, C. Dengi, E. Kilic, G. Ozhan, F. Ozcan, S. Nural, C. Evrendilek, U. Halici, B. Arpinar, P. Koksal, S. Mancuhan
RIDE-NDS: Sixth International Workshop on Research Issues in Data Engineering - Interoperability of Nontraditional Database Systems, pp. 2-11, 1996

Dynamic query optimization on a distributed object management platform
F Ozcan, S Nural, P Koksal, C Evrendilek, A Dogac
CIKM: Proceedings of the Fifth International Conference on Information and Knowledge Management, pp. 117-124, 1996


METU Interoperable Database System
A. Dogac, C. Dengi, E. Kilic, G. Ozhan, F. Ozcan, S. Nural, C. Evrendilek, U. Halici, B. Arpinar, P. Koksal, N. Kesim, S. Mancuhan
SIGMOD Record 24(3), 56-61, 1995

A Region Based Query Optimizer Through Cascades Query Optimizer Framework
F Ozcan, S Nural, P Koksal, M Altinel, A Dogac
IEEE Data Engineering Bulletin 18(3), 1995

Projects and Groups

Technical Areas