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- E. Angelou and N. Papailiou and I. Konstantinou and D. Tsoumakos and N. Koziris Automatic Scaling of Selective SPARQL Joins Using the TIRAMOLA System In proceedings of the 4th International Workshop on Semantic Web Information Management (SWIM 2012 - In conjuction with SIGMOD), Scottsdale, Arizona, USA, 2012, (to appear)
- I. Konstantinou and E. Floros and N. Koziris Public vs Private Cloud Usage Costs: The StratusLab Case In proceedings of the 2nd International Workshop on Cloud Computing Platforms (CloudCP 2012 - In conjuction with EuroSys), Bern, Switzerland, 2012, pp. 3:1-3:6 camera ready
presentation 
- I. Konstantinou and E. Angelou and C. Boumpouka and D. Tsoumakos and N. Koziris and S. Sioutas TIRAMOLA: Elastic NoSQL Provisioning through A Cloud Management Platform In proceedings of the ACM SIGMOD International Conference on Management of Data (SIGMOD demo track), Scottsdale, Arizona, USA, 2012 camera ready
- N. Papailiou and I. Konstantinou and D. Tsoumakos and N. Koziris H2RDF: Adaptive Query Processing on RDF Data in the Cloud In Proceedings of the 21th International Conference on World Wide Web (WWW demo track), Lyon, France, 2012 camera ready
- P. Antonopoulos and I. Konstantinou and D. Tsoumakos and N. Koziris Efficient Updates for Web-scale Indexes over the Cloud In Proceedings of the International Workshop of Data Management in The Cloud (DMC2012 - In conjuction with ICDE 2012) camera ready presentation
- I. Konstantinou and E. Angelou and C. Boumpouka and D. Tsoumakos and N. Koziris On the Elasticity of NoSQL Databases over Cloud Management Platforms In Proceedings of the 20th International Conference on Information and Knowledge Management (CIKM), Glaskow,Scotland, UK, 2011,pp. 2385-2388.
camera ready extended version
- I. Konstantinou and D. Tsoumakos and N. Koziris: Fast and Cost-Effective Online Load-Balancing in Distributed Range-Queriable Systems. IEEE Transactions on Parallel and Distributed Systems vol. 22, August 2011, pp. 1350-1364.
- I. Konstantinou and E. Angelou and D. Tsoumakos and N. Koziris: Distributed Indexing of Web Scale Datasets for the Cloud. 9th Hellenic Data Management Symposium (HDMS 2010), Ayia Napa, Cyprus, July, 2010 (informal proceedings).
- I. Konstantinou and E. Angelou and D. Tsoumakos and N. Koziris: Distributed Indexing of Web Scale Datasets for the Cloud. In Proceedings of the International Workshop on Massive Data Analytics on the Cloud (MDAC2010 - in conjunction with WWW 2010), Raleigh, NC, USA, 26 April 2010.
presentation:
- I. Konstantinou and D. Tsoumakos and N. Koziris: Measuring the Cost of Online Load-Balancing in Distributed Range-Queriable Systems. In Proceedings of the 9th International IEEE Conference on Peer-to-Peer Computing (P2P), Seattle, WA, USA, 8-11 September 2009.
- D. Dimitriadis, A. Metallinou, I. Konstantinou, G. Goumas, P. Maragos and N. Koziris: GRIDNEWS: A Distributed Automatic Greek Broadcast Transcriptions System. Proc. of IEEE Intern. Conf. on Acoustics, Speech and Signal Processing ICASSP-09, Taipei, Taiwan, March 2009.
- I. Konstantinou and D. Tsoumakos and N. Koziris: PASS It ON (PASSION): An Adaptive Online Load-Balancing Algorithm for Distributed Range-Query specialized Systems. In Proceedings of the 16th International Conference on Cooperative Information Systems ((CoopIS)), Monterrey, Mexico, 12-14 November 2008
- A. Asiki and K. Doka and I. Konstantinou and A. Zissimos and D. Tsoumakos and N. Koziris and P. Tsanakas: A Grid middleware for data management exploiting Peer-to-Peer techniques. Future Generation Computer Systems, vol. 25, Apr. 2009, pp. 426-435.
- A. Asiki, K. Doka, I. Konstantinou, A. Zissimos, and N. Koziris: A Distributed Architecture for Multi-Dimensional Indexing and Data Retrieval in Grid Environments. In Proceedings of the Cracow 2007 Grid Workshop (CGW'07), Krakow, Poland, October 16-17, 2007.
- I. Konstantinou, K. Doka, A. Asiki, A. Zissimos, and N. Koziris: Gredia Middleware Architecture. In Proceedings of the Cracow 2007 Grid Workshop (CGW'07), Krakow, Poland, October 16-17, 2007.
Presentations
- Ioannis Konstantinou, Evangelos Angelou, Christina Boumpouka, Dimitrios Tsoumakos and Nectarios Koziris Elastic NoSQL Databases over the Cloud 6th EELLAK (GFOSS) Conference, Athens, Greece 20-21 May 2011
- I. Konstantinou Open source large scale distributed data management with Google's MapReduce and Bigtable: AIT Research Seminar, Athens, Greece 10 November 2010
- I. Konstantinou Open source Google-style large scale data analysis with Hadoop: 5th EELLAK (GFOSS) Conference, Athens, Greece 14-15 May 2010
- I. Konstantinou and G. Koufoudakis and G. Goumas and A. Asiki and N. Koziris: GRIDNEWS : A distributed Grid platform for efficient storage, annotating, indexing and searching of large audiovisual news content. 1st HellasGrid User Forum, Athens, Greece 10-11 January 2008
