Dimitrios Georgakopoulos

Dimitrios Georgakopoulos

Burnside Heights, Victoria, Australia
1K followers 500 connections

About

I am currently the Director of ARC's Industrial Transformation Research Hub for Future Digital Manufacturing and the Director of Swinburne's Key IoT Lab. Before that I was Research Director (2008-2014) at CSIRO’s ICT Centre and a Professor at RMIT University (2014-2016). At CSIRO I led the Information Engineering Laboratory, which was the largest Computer Science research program in Australia. Prior to CSIRO, I held research and management positions in industrial laboratories in the USA, including Telcordia Technologies (where I helped found two of Telcordia’s Research Centers in Austin, Texas, and Poznan, Poland); Microelectronics and Computer Corporation (MCC) in Austin, Texas; GTE (currently Verizon) Laboratories in Boston; and Bell Communications Research (Bellcore) in Piscataway, New Jersey.
I have authored approximately 283 journal and conference articles that have received approximately 23,000 citations. According to the October 2022 update of Elsevier’s science-wide author databases of standardized citation indicators, I am in the 2% of top-cited authors globally (top 1% if self-citations are excluded) in both career and 2022 rankings. My research has attracted $77.1M of external research grants/contracts. Just in the past 7 years at Swinburne, I was lead/chief investigator in 21 research projects that have been awarded $59.735M of external research funding, including a $31.135M funding allocation to Swinburne. I am the recipient of numerus international academic research and research impact awards, including 3 best paper awards from CORE A/A* conferences. I have received the Black Duck Open Source Rookie Award for OpenIoT in the USA. In Australia, I won the 2023 National iAward for the Public and Government Sector and 5 earlier State iAwards in 20023. I received CSIRO's 2013 Plant Industry Innovation Award and
I am a CSIRO Adjunct Fellow since 2014. In Swinburne, I received a Vice Chancellor’s Innovation Award (2018) and the Faculty of Science, Engineering & Technology’s Research Award (2019).
I have 13 years of executive experience in world class research organizations, where I I have led 7 major cross-disciplinary research initiatives with approximately $100M government funding that advanced digital transformation in social services, agriculture, water management, security, and defense.

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Patents

  • Method for enforcing the serialization of global multidatabase transactions through committing only on consistent subtransaction serialization by the local database managers

    Issued US 5241675

    Our invention guarantees global serializability by preventing multidatabase transactions from being serialized in different ways at the participating local database systems (LDBS). In one embodiment tickets are used to inform the MDBS of the relative serialization order of the subtransactions of each global transactions at each LDBS. A ticket is a (logical) timestamp whose value is stored as a regular data item in each LDBS. Each substransaction of a global transaction is required to issue the…

    Our invention guarantees global serializability by preventing multidatabase transactions from being serialized in different ways at the participating local database systems (LDBS). In one embodiment tickets are used to inform the MDBS of the relative serialization order of the subtransactions of each global transactions at each LDBS. A ticket is a (logical) timestamp whose value is stored as a regular data item in each LDBS. Each substransaction of a global transaction is required to issue the take-a-ticket operations which consists of reading the value of the ticket (i.e., read ticket) and incrementing it (i.e., write (ticket 1)) through regular data manipulation operations. Only the subtransactions of global transactions take tickets. When different global transactions issue subtransactions at a local database, each subtransaction will include the take-a-ticket operations. Therefore, the ticket values associated with each global subtransaction at the MDBS reflect the local serialization order at each LDBS. The MDBS in accordance with our invention examines the ticket values to determine the local serialization order at the different LDBS's and only authorizes the transactions to commit if the serialization order of the global transactions is the same at each LDBS. In another embodiment, the LDBSs employ rigorous schedulers and the prepared-to-commit messages for each subtransaction are used by the MDBS to ensure global serializability.

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